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Preparation: | 1a. Mechanical Prep | 1b. Pretreatments | |||
Inorganic Finishing: | |||||
Organic Finishing: | 3b. Powder Coating | ||||
Post-treatments: | |||||
Supporting Issues: | |||||
Non-industrial: | |||||
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0. CORROSION, COMPATIBILITY, CHOOSING A FINISH . . .
58528. Outdoor finish for large diameter wire [California] (May 11)53470. What grade of stainless for meat cooker using calcium chloride new (May 11)
7117. Corrosion of SS316 in a seawater RO desalination plant
new (May 11)58502. Copper disguised as magnetic steel to fool me [Philippines]
(May 11)58520. Want to open a metal finishing shop; where to get the money? [South Africa] (May 10)
58519. Bi-metallic corrosion of electrogalvanized espagnolette bolt [England] (May 10)
58513. Material of construction for boiler-cleaning booster pump [Singapore] new (May 9)
58508. Spring Steel blades are corroding [India] (May 7)
31153. Galvanic Reaction between zinc plated bolts and S.S. washers
new (April 27)58485. Good Coating for lugnuts [Texas] (April 27)
47874. Hydrochloric acid (HCl) resistant metal new (April 26)
58467. Fastener coating for 1500 hour salt spray [Canada] new (April 25)
58466. Need recommendation for corrosion resistant plating for steel [California] (April 25)
58332. Artistic plating over zinc die cast buckles [India] (April 24)
58398. Teflon Black Coating vs. Black Nickel plating [Poland] (April 24)
58432. Considering blackening of corrugated steel roofing [California] (April 12)
58415. Finishes with Pantone Colours on stainless steel [Ireland] (April 5)
51622. Rusting Of Stainless Steel Railings (April 5)
41930. Galvanic Corrosion between Galvanized Steel and Aluminum (April 4)
58397. Best process to color stainless steel eyeglass frames [New York] (March 28)
49508. What nails to use with the new pressure treated wood? new (March 22)
58346. Suitable material for Cl2 vaporizer tubes [Indonesia] (March 13)
58338. What to plate on our tobacco pipes? [California] (March 13)
58230. Bolts for aluminum brackets - SS or Galvanized? [St. Thomas, U.S. Virgin Islands] (March 5)
48055. What is the difference between anodizing and e-coating? new (March 2)
1. PREPARATION . . .
| i |
1a. MECHANICAL PREP |
3623. How can I get 0.1 nm roughness on Silicon surface? (May 2)
58500. Dust-like Specks, Water-like Spots After Timesaving [Florida]
new (May 1)58325. Burnishing & corrosion-proofing zinc diecastings in one step [Indiana] (April 26)
45366. Polishing Stainless Steel to a Mirror Finish (April 25)
58419. Chemical polishing of aluminum wheels to reduce mechanical polishing [New York] (April 21)
47393. Finishing process for flapper & reed valves for car A/C (April 12)
58418. Why does stainless steel pipe need a blasted finish? [Azerbaijan] (April 9)
58237. How much metal must be removed to achieve a given Ra value? [England] (March 13)
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1b. PRETREATMENTS |
58533. Wasteless one step phosphating [New Jersey] (May 15)
47351. Free and total acidity in phosphating vs. salt spray performance new (May 15)
5455. Cast Iron Rust Prevention/Passivation new (May 11)
58499. Passivation Staining on 17-4 PH Stainless Steel [Massachusetts] (May 10)
58484. Martensitic Stainless Passivation [New Hampshire] (May 10)
58455. Electropolishing 420 stainless steel [Colombia] (May 10)
30001. Passivating Laser Marked 15-5 PH Stainless Steel Parts (May 8)
16058. Passivate 304 and 316 stainless steel or not? (May 8)
778. A solution to a Stainless Steel Passivation problem (May 7)
8069. Passivation of 300 series Stainless Steel causes loss of shine (May 7)
28876. How to eliminate red color from pre-black zinc phosphating tank new (May 3)
39277. Pickling time determination (April 27)
45662. Which is better surface treatment technology: "Shot blasting" or "7-Tank phosphating process" (April 20)
58345. Setting up our electropolishing system [South Africa] (April 18)
37180. DESCALING OF HEAT TREATED PARTS (April 18)
58447. Heat treated parts erupt with gas during HCl acid washing [Korea] new (April 16)
29081. Phosphating of tool steel new (April 11)
6053. Finishing Stainless Steel to a Mirror finish (April 6)
58412. Electro-phosphating on steel wire [India] (April 6)
58417. Passivation of EXTERNAL surface of air cooler fin-tubes after cleaning [Indonesia] new (April 5)
38053. Chemical cleaning and preservation process for carbon steel and titanium pipes new (April 5)
58383. Passivation of Type 304 Stainless Steel for Increased Adhesion to Thermoplastic [North Carolina] (April 5)
58380. How to Increase pH in Citric Acid Passivation Tank [Washington] (April 5)
10864. Citric acid based passivation of stainless steel (April 5)
6556. Drilled hole cleaning technology new (March 29)
58364. Electropolishing of case hardened 304 [Ireland] (March 26)
58365. Anodic alkaline cleaning and anodic acid etching [Ireland] (March 26)
1558. HCl Acid Recovery / Regeneration new (March 22)
58309. Issues with passivation of 304L SS machined parts [Mexico]
(March 15)58289. Feasibility of doing zinc phosphating at high temperature [India] (March 13)
7259. Iron Phosphate over Cast Iron? new (March 5)
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1c. MASKING, RACKING, TAPING, PLUGGING, PHOTOSENSITIVE MASKS |
58316. Liquid masking for anodizing [Pennsylvania] (March 6)
58151. Racking for anodizing of flat aluminum sheets[Rhode Island] (January 24)
2. INORGANIC FINISHING PROCESSES . . .
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2a. ANODIZING AND LIGHT METAL TREATMENTS |
3584. Aluminum reflectors: alloy selection and finishing
(May 14)58527. Measles on Hard anodized 7075-T6 [Canada]
(May 14)58382. Pitting of 2000 series aluminum from type II sulfuric anodize [Connecticut]
(May 11)17058. Rainbow shade in anodised section new (May 9)
1419. "Neutralizing" sulphuric anodizing solution with bicarbonate or nitric acid (May 9)
58172. Heat treat 6061 T6 for grain structure (May 7)
56253. Anodizing to MilStd 595 colours, 34094, 33446 new (May 4)
40098. Spangle and shiny metal - Architectural anodising
(May 2)58487. Can Alocrom make the appearance of scratches worse after treatment [UK] (April 27)
58483. Contaminants in Chromic Acid Anodize attacking existing Hardcoat Chrome Anodize [Minnesota] new (April 27)
18483. What is Clear Alodine?new (April 26)
41214. Sticky surface after anodising (April 20)
33032. Are ammonium bifluoride and hydrofluoric acid interchangeable? (April 19)
15354. Anodizing's Impact on Fatigue Strength (April 19)
35508. Potassium Dichromate Sealer vs. sodium dichromatenew (April 16)
58409. 13.5 pH requirement for Seal on Anodizing [Tennessee] (April 11)
47338. Anodising thickness not being achieved new (April 11)
58426. Pad printing over nickel acetate-sealed anodized aluminum [Arizona] new (April 6)
58422. Nitric acid changed colour of aluminum sheet dipped overnight [India] (April 6)
1263. Two-step color anodizing (electrolytic coloring of aluminum) (April 5)
25645. Will Forming Hurt Anodized Aluminum Pipe (April 5)
4462. Iridite, Gold or Yellow?
(April 4)4589. Anodizing I.D. (internal diameter) of hollow aluminum tubing (April 4)
6903. Electrical Resistance Of Hard Anodize Coating new (March 27)
6701. How to calculate anodizing time for different aluminum alloys new (March 24)
30619. Fade Resistance of Color Anodize
new (March 22)51729. Problems with Clear Anodizing new (March 14)
21986. Hot seal vs. cold seal for anodizing? (March 9)
58344. Is the chipping an anodizing or shipping problem? [Georgia]
(March 9)58327. Anodized reflector doesn't read enough ohms [Egypt] (March 6)
52350. Hardcoat Anodizing Voltage new (March 2)
| i |
2b. ELECTROPLATING and ELECTROFORMING |
58425. How is Tin Plating done on Copper Lux ? [India] (May 16)
58498. White film on Cadmium Plated circular connectors with Olive Drab finish [Florida]
(May 15)37456. White rust in zinc plating with blue passivation (May 15)
58532. Jewelry company in Nepal is looking for practical information re goldplating [Nepal] new (May 14)
58526. Food contact with chromium plated parts [Italy]
(May 11)23338. Dummy plating for copper bath (May 11)
58278. Chrome Plating: White streaks on the ends of the rotogravure cylinder [India]
(May 11)58510. How to decide if tin plating is semi-bright vs. matte [Malaysia]
new (May 8)37774. Tin Plating on Aluminum (May 8)
5106. Tin plated brass parts are turning black
(May 7)35480. Zinc plating and rust [California] (May 7)
22139. Satin Anodized Aluminum new (May 7)
42447. Electroform sticks to cathode new (May 2)
58480. Magnetism in Nickel Bath and Electrocleaner tank [Michigan] (May 2)
58421. Does imitation jewelry need dull nickel before bright nickel to resist corrosion? [India] (May 2)
49870. Nodules in Nickel Sulfamate Electroforming (May 2)
58495. Sulfamate Nickel - Bubbling & Blistering - Strange Distribution [New York]
new (May 1)58494. Wire surface activation before electrogalvanization [Slovakia] new (May 1)
38265. Why must Copper Bus Bar be Tin Plated? new (May 1)
58446. Watermarks on Cadmium Olive Drab Finish [UK] (April 30)
58436. Scaling Buildup in Nickel Sulfamate Plating Process [Utah] (April 30)
31751. Copper anodes are passifying (April 30)
58482. Plating of steel circlip for use on silver plated copper conductor [UK] (April 27)
58481. Does Propanol ruin Silver Plating? new (April 27)
58468. How to specify Chrome Plating for fasteners [Connecticut] (April 26)
10806. Corrosion of soldered joints at indium/gold interface new (April 25)
58464. Removal of excess oil in acid zinc tank [Australia] (April 25)
58439. Semi-bright nickel plating is coming out black [Macedonia] (April 25)
40868. Zinc Plating with Trivalent Chromate is blistering after baking
(April 25)58452. Nickel peel-off on Siclanic (Cu/Ni/Mg/Si alloy) [India] (April 25)
58449. Nickel brush plating a copper sink in place [Florida] (April 21)
17401. Polishing Hard Anodized Surface new (April 19)
25586. Lead free plating on copper, parts soldered in lead free process new (April 17)
58437. Chrome plating over other bases than nickel [India] (April 16)
58340. Zinc-cobalt plating won't survive 96 hour salt spray without white rust [India]
(April 15)900. Seeking a supplier to plate Iridium oxide on Titanium new (April 12)
53832. Cadmium Plating is smutty and powdery new (April 12)
51199. Copper electroforms peel or curl away from glassy surface (April 12)
43260. Roughness in Nickel Deposit (April 12)
4497. Platinum Plating On Titanium (April 11)
58401. Dry film lubricant over a zinc chromate? [California] (April 10)
55324. Plating Standards to Prevent Tarnishing on Gold-Plated Silver and Brass (April 10)
1185. Tin Plating Problems (April 9)
2858. Nikasil nickel-silicon plating, what is it and how is it done? (April 6)
713. Copper plating before nickel - chrome plating new (April 5)
18398. Hard chrome plating corrodes in shipment by sea (April 5)
848. Phosphorized vs. OFHC Copper Anodes for copper plating new (April 5)
5358. Bio-fouling of gold plating rinses new (April 4)
29054. Zinc plating for 400 hours of salt spray test new (April 2)
58399. Pitting on Zinc Plated Steel [California] (April 2)
35289. Pulse Plating of Chrome
new (pics added April 1)58379. How to activate idled pre-treatment solutions? [Philippines] (March 30)
58392. Nickel-Chrome plating is Blistering / Peeling when Stressed [Illinois] (March 28)
58396. Issues in Cadmium plating with yellow passivation [India] new (March 27)
38877. Some problems in alkaline zinc plating new (March 27)
29744. Procedure For Zinc-Nickel Plating (March 27)
58244. Inconsistent appearance of zinc plated with black chromate parts [Illinois]
(March 21)5260. Trouble Plating Very Thin Tin Films (March 21)
58326. Flaking of chromate on zinc plated crimped ferrules [Ohio] (March 15)
58366. How to plate aluminum & white metal? [New York] (March 14)
58356. Plating Steel and Aluminum die cast [Alabama] (March 13)
36007. STEP test problem in Duplex Ni Plating Plant (March 13)
58357. Seeking matchplates that can be finished as samples [Illinois] (March 9)
58269. Can I use graphite anode in copper plating [Vietnam] (March 7)
49547. Carbon treatment of copper plating bath (March 6)
| i |
2c. ELECTROLESS PLATING, PLATING ON PLASTICS, IMMERSION PLATING |
55678. Electroless nickel on copper (May 11)
58514. Good plating for battery contact for PCB pad [California] (May 9)
10887. Plating of ABS Plastics; palladium and electroless nickel issues (May 1)
27274. Electroless Deposition on Graphite Powder (May 1)
58459. Analysis method to check Palladium size and condition under scope [Malaysia] new (April 20)
58445. Electroless Nickel Plating of Bi-Metallic Copper-Aluminum Chassis [Arizona] (April 18)
33447. Surface Roughness of Electroless Nickel / Gold plating (April 18)
58435. ABS mechanical properties after chrome plating [Illinois] new (April 14)
58427. Removing "water spots" from electroless nickel plated parts [California]
(April 11)28217. Heat Resistance of Electroless Nickel Plating new (April 5)
58406. Reduce residual PO4- ion on electroless nickel plated parts [China] (April 2)
58196. How to do NiB electroless plating on top of NiP electroless nickel plating [Turkey] (March 28)
20973. ENIG plating on WLCSP (Wafer Level Chip Scale Package) new (March 29)
36599. Electroless copper plating and electroless nickel plating (March 28)
58387. Cost of chrome plating chemicals per area per thickness on plastic [China] (March 20)
| i |
2d. PVD, CVD, ION IMPLANTATION, VACUUM PROCESSES |
37921. PVD Chromium Nitride (March 30)
58391. PVD Chroming of Glass for EMI Shielding [Texas] new (March 23)
| i |
2e. GALVANIZING, ALUMINIZING, HOT TIN DIPPING |
41571. Zinc Ash / Zinc Waste in Hot-dip Galvanizing (May 16)
20235. Lead in hot dip galvanising (May 16)
43365. Hot dip galvanizing flux (May 14)
41349. Cutting up solidified zinc in galvanizing tank (May 14)
58525. Good materials for galvanizing kettle support [India] (May 14)
58479. Wire galvanising wiping pad material [Latvia] (April 30)
25997. Prevention and removal of white rust (April 27)
30947. White spotting of galvanized sheet metal new (April 26)
58414. Is a yellowish/greenish (sodium dichromate) appearance on galvanized structures a process defect? [Malaysia] (April 25)
58453. Definition of "Shop Galvanize" [Florida] (April 21)
58440. Best sulfuric acid concentration and iron content for pickling [Tunisia] (April 14)
51659. Hydrogen peroxide in flux tank to reduce dross (April 14)
58164. Must galvanized hydrant pipes be painted before burying? [Saudi Arabia] (April 10)
58408. Need complete chemical-related information on galvanizing process. [Saudi Arabia] (April 6)
58386. Need to reduce galvanizing thickness to 85 microns [Nigeria] (April 6)
51846. How to produce Galvalume? new (March 29)
58381. Hot Dip Galvanizing of parts that trap water [Canada] new (March 22)
15377. Small Hot-Dip Galvanizing Kettle Construction (March 9)
58339. HDG for Threaded Rods for 12 ft [India] (March 7)
| i |
2f. BLACK OXIDE, BLUING, COLORING, PATINATING |
58465. Ways to blacken stainless steel without selenium [Pennsylvania] (April 26)
58355. Black Oxide Pitting and Intergranular Attack (IGA) Inspection Process? [California] (April 4)
1150. The black oxide process (March 6)
| i |
2g. OTHER INORGANIC FINISHING |
6844. Alodine for improvement of PE bond on steel (May 3)
58233. Dacromet high strength bolts in contact with green concrete [India] (April 6)
3. ORGANIC FINISHING PROCESSES . . .
| i |
3a. ELECTROPAINT PRIMING, AUTOPHORETIC COATINGS |
51371. Required Pretreatment before E Coating (May 11)
11694. E-coating -- what is it? (April 25)
57561. Pin holes on e-coat bottom surface [Malaysia]
(March 22)23047. How to reduce paint thickness in Cathodic Electro Deposition (CED) system? new (March 2)
| i |
3b. POWDER COATING |
19605. Should I switch from powdercoating to plastisol/pvc coating? (May 8)
58501. C-4 powder coating gun surge [North Carolina] (May 4)
48524. Powder Coating - fail impact test (160 in-lbs) and Salt Fog Test 500hrs (May 2)
52468. Pretreatment for Powder Coating - Extruded Aluminum Profile and Aluminum Sand Castings (April 27)
52428. Quick Test to distinguish type of powder coat paint (April 27)
4745. Epoxy Powder Coating over Galvanized Steel (March 28)
58389. Cast iron parts rusting before powder coat [Washington] (March 23)
58370. How to define thickness of teflon coating on heat coil? [China] (March 20)
20252. Metal preparation prior to applying powder coating paint (March 16)
58049. Powder coating adhesion failure after nanotechnology pretreatment [Turkey] (March 8)
13579. Is powder coated galvanized steel a good exterior finish? new (March 6)
58276. Painting of Powder Coated Material [India] (March 5)
58277. Powdercoating exterior handrails [New York] (March 5)
| i |
3c. LACQUERS, CLEAR COATS, ELECTROPHORETIC TINTING, ANTI-TARNISH |
58405. Lacquering over a non-electrolytic brass coating [Turkey] new (March 30)
57572. E-coating a carbon steel candle holder for outdoor use [China] (August 24)
| i |
3d. PAINTING, ADHESIVES AND OTHER ORGANIC COATINGS |
30522. Clear coat finish over rusted metal
(May 14)50904. Preparing Titanium for Paint (May 9)
58507. Clearcoat peels from Rustoleum Multi Spec Paint where graphics are applied [Missouri] (May 7)
58504. Heat transfer paper coating [Pakistan] new (May 4)
27000. Painting HDG steel for use in salt water (April 11)
58307. How to prepare hot rolled sheet for priming & painting? [India]
(April 9)58411. Painting on PVC Coated Material [India] new (April 5)
4. POST-TREATMENTS
| i |
4a. CHEMICAL POST-TREATMENTS |
58536. Bright Dip for blank brass keys (acid wash) [China] (May 15)
22456. Bright Dip process new (April 16)
58169. Finish/Coating for Brass coated steel [Massachusetts] (January 13)
| i |
4b. BAKING AND NON-CHEMICAL POST-TREATMENTS: |
58390. Hydrogen Embrittlement Relief required after electropolishing or passivation by AMS 2759 [California] (April 5)
58296. Immersion Silver solderability issues [New Jersey] (March 20)
| i |
4c. STRIPPING, REWORKS, ETC. |
58539. Removing aluminum deposit inside boiler tubes [Iran] new (May 15)
58478. Tin Silver wettability problem after reflow in Copper Pillar Process [France] new (April 27)
24769. Removal of plasma sprayed tungsten carbide coatings? new (April 27)
30107. Glass Bead Blast to remove Cadmium from an Aerospace Rivet (April 16)
58424. How to Remove Coating from a Polyolefin Thermoplastic Elastomer [Michigan] (April 16)
53897. Removal of tin coating from steel back (April 3)
24642. Stripping copper plating from brass? (March 9)
22156. Stripping e-coat racks (March 1)
5. SUPPORTING ISSUES
| i |
5a. ANALYSIS, LAB TECHNIQUE, Q.A. |
58505. Zinc plated steel screw, assembled with brass nut, fails Salt Spray test [India] (May 11)
17144. Determination the concentration of gold solution (May 10)
21901. ASTM B-117 SALT SPRAY FAILURES AND ORIENTATION IN A SALT CABINET (May 8)
58493. Determining the concentration of active sulphur in nickel plating baths [Pakistan] new (May 1)
3281. Measuring thickness on zinc chromate coating new (April 26)
58433. How to test the chromium level in stainless steel? i.e., 12.4% chromium 410 SS [Massachusetts] (April 16)
856. Implementing level controls on anodizing tanks new (April 5)
58378. Inconsistent Salt spray Results between Two Test Labs [Germany] (March 20)
58336. Cadmium Analysis - Cadmium Cyanide Bath [Colorado] (March 16)
4842. Simple Test for Passivated Stainless Steel (March 9)
| i |
5b. WASTE & WASTEWATER TREATMENT, POLLUTION CONTROL |
58524. Where to find info on older technologies for Chromium removal from wastewater [Tennessee] (May 11)
58503. Removing cobalt from hard gold dragouts [Minnesota] (May 10)
41896. Internship problem: Biological treatment of waste-water (April 25)
37968. How soft can soft water be without causing corrosion? (April 18)
11849. The composition of Electroplating wastewater (April 4)
35032. When to recharge mixed bed in DM water plant new (April 3)
58388. Nickel fluoride disposal ? [India] new (March 23)
40394. Cyanide wastewater treatment (March 16)
| i |
5c. SAFETY ISSUES, EMISSIONS, TOXICITY |
58320. Am I having an allergic reaction to galvanized steel? [Oregon] (April 27)
58343. Thermal destruction of cyanide fumes [Maine] (April 21)
| i |
5d. PLANT & PROCESS ENGINEERING, CONSTRUCTION |
45942. Passivating Tank Deteriorating new (May 4)
58454. Does zinc phosphating require fume scrubbing? [Connecticut] (April 21)
49085. Drying process for waste zinc phosphate sludge new (April 11)
58410. Do Electroplating tanks need grounding (or) earth? [India] (April 5)
21316. HCl fume control in plating / galvanizing shop new (April 4)
23539. Best temperature and humidity for storage of bare metal parts new (April 3)
2694. Barrel plating equipment for plating plastic parts (April 3)
58137. What is suitable to store Nitric Acid? Is it advisable to store it in SS316? [India] (March 23)
30044. Scrubbing of NOx fumes new (March 19)
58306. Tank integrity with respect to passivation process [Connecticut]
(March 8)58349. Buying a badly corroded building previously used by pool supply company [California] (March 8)
16874. Calculation of thickness of aluminum for carrying 3.5 A new (March 7)
58341. Cooling system for alkaline zinc plating solutions [Colombia] (March 6)
| i |
5e. QUESTIONS ABOUT SOFTWARE, SPECS, BOOKS, INDUSTRY STATISTICS, ETC. |
58538. Recommended book for jewelers? [Spain] new (May 15)
26629. Abbreviations used in Honda plating spec MFZn2-C new (May 3)
58492. Ted-Ed and Khan Academy -- a chance to exchange knowledge [Australia] new (May 1)
57850. How to specify zinc electroplate per ASTM B633, type 3 class 3 RoHS compliant new (April 21)
58438. If base metal is shotpeened before plating, must it be shotpeened again if plating is reworked? [Canada] (April 21)
58431. Need samples of yellow chromate and chrome for easy I.D. [Maryland] (April 11)
52383. Specification for zinc nickel plating? new (April 11)
20432. What concentration of H2S is needed to tarnish silver? (April 9)
58404. Specification EN 2831:1993 Slow Bend Test for Hydrogen Embrittlement [Illinois] new (March 30)
58354. Workshop/seminars on Electroless Nickel Plating? [Alabama] new (March 9)
58347. Book suggestion for chromic acid anodizing [Georgia] (March 8)
58245. Anodizing Process Risk Management [Florida] (March 6)
| i |
5f. WORLD WIDE WORD OF THE WEEK |
58416. JIG - what does it mean in galvanizing? [Poland] (May 10)
58377. International Specification for Chromate Conversion on Aluminum Must be Non-Hexavalent [New Jersey] (March 20)
| i |
5g. CHROMATE REPLACEMENT & THE EUROPEAN END-OF-LIFE DIRECTIVE; Cd, Ni, Pb, Cr REPLACEMENTS. |
11353. Yellow Zinc Plating or Clear White Zinc Plating new (May 9)
58434. Mil-DTL-5541 Chem Film in yellow trivalent [Pennsylvania] (April 11)
58319. Nickel plating replacement on hardware [Iowa] (April 10)
42213. Epoxy powder-coat adhesion to hexavalent and trivalent fasteners (April 9)
47049. Please explain theory of trivalent passivation (March 29)
58266. Stripping process for "Forever Nickel" [Colorado] (March 7)
58198. Hexavalent chrome product replacements (Meets MIL-C-5541 Class 1A) [Chile] (January 24)
| i |
5h. MOSTLY METALLURGY |
58541. Industry Standards for Silver Plating on Metal Jewelry [India] new (May 15)
58535. How to Braze Aluzinc to Aluzinc [India]
new (May 15)21526. Is there a fix to stainless steel pitting? (May 4)
12545. Annealing Stainless Steel to soften (April 12)
48866. Max hardness in SS410 [India] (April 10)
13613. Corrosion Problem on Ductile Iron Castings new (March 16)
1576. Wear resistance of 304 vs 316 stainless steel [Alabama] (March 8)
| i |
6a. ARTISTS, HOBBYISTS, CAR BUFFS, HOME OWNERS, ETC. |
30532. Electroless nickel my motorcycle exhaust pipes? (May 16)
27151. CPVC vs. copper to plumb a house (May 16)
58542. Bending bronze art objects [Australia]
new (May 15)8114. What exactly is the Heat Stain on Stainless? (May 14)
58522. Need disposal info about an old plating product [Louisiana]
(May 14)58523. "Spot electroplating" for art project [Australia] (May 11)
58518. Will Hamilton Plating on Sterling Silver Tarnish? [Pennsylvania] (May 11)
28754. Flame coloring mild steel new (May 10)
41517. Gold Plating Problems with Jewelry, How to make gold plating last longer? PVD? (May 8)
15151. Stainless steel etching (May 8)
58348. Food coloring stain on polished granite headstone [Massachusetts] (May 7)
58491. Etching primer required for painting standard electro-plated EMT conduit? [Tennessee] (May 3)
58420. Jewelry Cleaner CAUSED Tarnish? [Pennsylvania]
(May 3)58497. What is zinc electroplating solution? [Egypt] (May 3)
58496. Seeking a temporary, easy-to-remove rust inhibitor for mild steel [New York] new (May 1)
13333. Acid Choice for Cleaning Aluminum Alloys new (May 1)
3606. Tell me more about Black Chrome Plating new (May 1)
43681. How to clean carved lacquered teak Chinese chest (April 30)
38809. Antique baby carriage restoration Q&A's (April 30)
58486. Is it possible to paint a tire (of a wheel) without disassembling its parts? [Egypt] (April 27)
16030. Cleaning Aluminium/Magnesium Alloys (April 26)
58463. Repair and paint a Fiberglass deck to restore watertightness [New Jersey] (April 25)
58462. Chrome finishing on bar stools [Canada] (April 25)
58458. DIY Silk Screening on Powder Coated flat surface [Georgia] new (April 25)
2869. Home plating, what's the problem? (April 20)
58444. Aircraft cutaway drawing on a sheet of anodized aluminum [Oklahoma] (April 19)
11491. Tarnishing silver/nickel (April 19)
54501. Bad chrome plating from China (April 19)
29693. Need information about chrome peeling off of automobile wheels (April 19)
58448. Heavy brass plate for antique cars that looks like solid and can take a polish?? [New Zealand] (April 18)
30347. Polishing a knife to a mirror finish (April 17)
13188. Black spot on new yellow gold ring (April 16)
21484. Cleaning a crust off of polished aluminum that looks like salt new (April 12)
42155. Changing a brass finish to a chrome or nickel plated finish (April 12)
4913. DIY Nickel plating onto steel (April 11)
937. Anodizing titanium alloys in gold and other colors
(April 10)11377. Taking an antique brass bed apart
new (April 5)15833. Cleaning a 117 year old brass bell (April 5)
34482. How to: Oil Rub Bronze new (April 2)
58402. How to make stainless steel rust [Arizona] (March 30)
58305. Removing gold plate from aluminum wheels [Texas]
(March 30)16430. How do I paint brass beds and fireplace doors? (March 26)
58232. Bluing coming off my Rueger [South Carolina] (March 26)
55837. What exact process to electrowin gold from acid mine water? [Oregon] (March 23)
12877. Chrome vs stainless steel (March 20)
58359. Stripping paint from antique Galvanized windmill [California] (March 16)
58136. My silver is now a copper color from soaking it in ammonia [Maryland] (March 16)
58376. Best Way to Remove Iron Phosphate? [Kansas] new (March 16)
58362. Using Record Album Covers and Clear Coat as a Floor [Wisconsin] new (March 14)
58360. Clear Epoxy Bathroom Floor [Nevada] new (March 14)
58322. Stainless steel discolouration after washing off laser etching solution [Canada]
(March 9)58303. Need Tantalum Coating on Silver [Italy] (March 9)
16370. Can gold be dissolved in sulphuric acid alone? (March 8)
58217. Copper paint for heat control [USA] (March 8)
15155. Create patina on pewter (March 8)
58335. Blackening using ammonia nitrate without sodium hydroxide [Canada] (March 6)
41443. Refinishing Antique Cast Iron Pedal Scroll Saw new (March 2)
58292. Need to get Corten steel sculpture back to original polished silver look [Victoria-BC- Canada]
(March 1)| i |
6b. RESEARCH, THESIS TOPICS, UNIVERSITY & POST-GRAD STUDENTS |
58543. Electrodeposition for digital image correlation [Canada] new (May 15)
58512. Reducing Coefficient of Friction Between Metal and Rubber [Florida] (May 8)
12547. Bias sputtering (May 4)
27872. Simultaneous plating of two different metals [Nigeria] (May 3)
58460. Is copper oxide removal from wafer required before plating? [Australia] (May 2)
58490. How to create dielectric oxidation between steel and brass part? [Missouri] new (May 1)
58461. Newest/most advanced thinnest way to put ferrite [Israel] new (April 25)
58430. Copper deposit is growing on plastic surface during electrowinning [Colombia] new (April 11)
58423. Predicting coating life on the basis of corrosion rate of electroplated bolts [India] (April 6)
33365. Shafting and bushing/bearing issues (April 4)
58375. Arsenic reaction for decoration of nickel objects [Malaysia] (March 27)
58385. LM6 Casting - Surface treatment finish [India] (March 20)
12928. Resin Fouling in demineralized water plant new (March 16)
58361. Sealing polished aluminum against oxidation [Michigan] (March 14)
58333. Why doesn't stannous sulfate (SnSO4) dissolve in 0.3M sulfuric acid? [New York] (March 7)
58334. MSA consumption in tin plating lines [Germany] new (March 2)
| i |
6c. K-12 SCIENCE PROJECTS, GRAMMAR & HIGH SCHOOL STUDENT QUESTIONS |
58534. Why does the cathode gain more than the anode [loses]? [Australia] (May 15)
26583. Which BEVERAGE cleans pennies best? (May 14)
58374. Sixth-grade student needs Sulfuric Acid [California] (May 7)
6997. What is rust? and how does ph effect this? new (May 7)
11682. Percentage composition of copper sulfate hydrate (May 1)
58400. Why does Nickel corrode in hot, medium, and cold water? [Canada] (April 10)
18515. Acid and metal reaction new (April 3)
58353. Tank filling question [Pakistan] (March 9)
50,000 archived metal finishing Q&A's:
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Say 'Uncle!' or we'll send you to the file cellars of the
Finishing Technology Hotline BBS for topics going back as far as 1989.