"2c. Electroplating & Electroforming"

• How to calculate the current density for all plating baths? - November 9

• Satin nickel plating problem open Q. - November 8

• Tin over nickel on aluminum bus bar turns black - November 3

• Problem in Acid Chloride Zinc Plating open Q. - October 31

• Calculating zinc consumption in acid zinc plating open Q. - October 31

• In Search of a Metal Plater with loooooooooong tanks! RFQ: Anywhere in USA - October 29

Bright silver doesn't blister in diffusion bake, but blisters upon 2nd bake - October 28

Tin plating solution is turning grey open Q. - October 28

• Can applying a strike solution reduce the usability at high temperature? - October 28

• Trivalent Chrome Plating Q&A's, Problems & Solutions open Q. - October 28

• Tin plated parts are turning black - October 26

• Pitting in hard chrome plated steel - October 24

• Why does dummy plating work? open Q. - October 19

• Zinc Plating Internal Threads: dimensional changes & coverage issues - October 18

• Nickel Electrowinning Q&As, Problems & Solutions open Q. - October 18

Alkaline Zinc Plating Q&A's, Problems & Solutions - October 11

• How to obtain yellow colour in brass plating? open Q. - October 10

• Nickel Plating Rotary Textile Screens open Q. - October 9

• Hard chrome plating vs. salt spray hours requirement - October 8

• Brass Plating not sticking to underlying nickel plating - October 5

• Plating zinc diecast (Zamak-3): Process sequence? open Q. - September 29

• Zinc-plating appearance problems (white, powdery, rough surface) open Q. - September 29

• Alkaline Zinc plating: How can caustic & zinc concentrations vary independently? open Q. - September 24

• Q&A on Silver plating of flatware, serving platters, etc. open Q. - September 18

Really bad adhesion and lack of shine in Hard Chrome plating - September 16

• White and black rust on zinc plating after salt spray test open Q. - September 13

• Black Chrome Plating - September 9

Hard Chrome Plating Failures on Hydraulic Cylinders open Q. - September 8

• Electroplating / Electrodeposition of Aluminum - September 7

• Hard chrome plating chip off at chamfer - August 31

• Inconsistent appearance of zinc plated with black chromate parts - August 25

• Is brass plating over silver plating possible? - August 21

• Rubber mixed into my chromium plating solution - August 21

• Best plating process for cabinet handles? open Q. - August 19

• Hard chrome plating has high coefficient of friction, not low open Q. - August 6

• Residue when Drawing a Tinned Copper Wire open Q. - August 4

• Plating time too high in alkaline non-cyanide zinc plating open Q. - July 29

• Precipitating stannic ion from tin bath open Q. - July 29

• How to specify Conductive Black Zinc open Q. - July 28

• Cadmium plating and trivalent chromate - July 27

• Immersion gold plating Q&A's, Problems & Solutions - July 20

Nickel plating over copper flash history - July 16

• True that cast iron can't be Zinc Plated? open Q. - July 16

• Copper plating on Inconel adhesion problem open Q. - July 15

• Discoloration of bright acid tin plating - July 12

• Platinised titanium (or niobium) anodes for hard chrome plating? open Q. - July 12

• Effect of Temperature on Alkaline Zinc Plating Operation - July 4

• How to reduce brittleness in copper (PCB) plating - June 28

• Zinc Plating + Iridescent Chromate expected, but parts are white - June 23

• Tin plating peels off copper plating when baked open Q. - June 21

• Nickel plating blisters & peels off open Q. - June 20

• Source of Contamination on Hard Gold Contacts? - June 20

• When did copper flashing on steel for nickel plating begin? open Q. - June 17

• Sn (tin) plating bath has turned violet/purple - June 16

• How to Remove calcium from Nickel Plating Solution open Q. - June 14

• Silver Plating is Blistering open Q. - June 9

• Pitting problem in nickel-chrome plating on brass open Q. - June 9

• "Whitewash" on Chrome Plate - June 8

• Alkaline zinc plating at 40 ASF - June 6

• How to reduce hardness in nickel sulfamate plating? - June 3

• Alkaline zinc plating problem: Black dots/spots that grow with time open Q. - May 29

• Blue Chrome defect in hard chrome plating open Q. - May 27

• Nickel plated parts peel when powder coated but not when heat quenched - May 24

• Acid zinc plating Anodes are black-ish open Q. - May 24

• Sodium Vinyl Sulfonate usage in electroplating industry open Q. - May 24

• Best filler material (ball bearings?) for barrel plating aluminum parts open Q. - May 24

• Pin holes on hard chrome plated bars open Q. - May 21

• Can we use stainless anodes in silver plating to battle rising concentration? open Q. - May 21

• White haze on parts after sulfamate nickel plating open Q. - May 17

• How long can nickel current be interrupted - May 16

• Hard chrome on Stellite: tank is black w/pitting & peel off issues - May 16

• Zinc Plating has unwanted Rainbow Color - May 12

• Alkaline zinc plating goes faster at low temperatures than high Thanks! Resolved :-) - May 11

• Why must diluted acid be used in nickel plating, not concentrated? - May 7

• Cost/pound for FO1 Zinc Plating w/ Clear Chromate on steel open Q. - May 5

• Need Silver or Tin Plating of Low-Voltage Contacts made from Copper & Brass RFQ: Milwaukee, WI - May 4

• Poor Salt spray test results on black zinc plating - May 4

• Some problems in Zinc-Nickel Plating - May 4

• Zinc plating with clear chromate discoloration issues - May 4

• Need Shop to do Chrome Seal per PS 11501 RFQ Concord CA - May 3

• Acid zinc plating: peroxide is doing something to clog our filters - May 2

• Sulfamate Nickel Strike Problems - May 2

• Function of Boric acid in Nickel Plating - May 2

• Activating/reactivating old Nickel plating - May 2

• Alkaline Zinc Plating Rundown Streaking - April 26

• What is Blue Chromate Plating? - April 23

• Weird Hard Chrome on Sulfamate Nickel adhesion problem open Q. - April 23 Inquirer often helps others, so especially deserves our help

• Cloudiness & rainbows after Zinc Plating - April 19

• Substitute/Alternate/Replacement for Rhodium Plating open Q. - April 15

• Nickel or Electroless Nickel plating on nitrided steel open Q. - April 15

• Non cyanide copper plating Q&As / Problems & Solutions open Q. - April 13

• How to make Rhodium Plating Solution Thanks! Resolved :-) - April 13

• Cause of white patches in yellow zinc plating open Q. - April 9

• Copper & Nickel Plating Thickness vs. Salt spray Resistance Thanks! Resolved :-) - April 7

• Acid Zinc Plating: Problems & Solutions - April 7

• Brass Plating Problem: we add zinc salt but analysis shows no increase in zinc concentration - April 6

• How to calculate plating cost? open Q. - April 1

• Brush plating stainless with Wood's Nickel Thanks! Resolved :-) - March 29

• HCl immersion time for replating old car parts - March 27

• Turbulence limit for chrome plating of inner diameter? open Q. - March 27

• Nickel Contamination of Gold Plating Bath - March 27

• Hard chrome broken & burnt - March 26

• Electrical conduction properties of nickel plating - March 25

• We need gold plating consultant RFQ Minnesota - March 22

• Our nickel plating on copper & brass suddenly started peeling - March 21

• Chrome Plating Throwing Power Thanks! Resolved :-) - March 21

• Problem holding Zinc concentration in alkaline Zinc plating bath - March 21

• Black Chrome Plating is making our hands dirty open Q. - March 18

• Rhodium plating of silver rings Q&A's - March 10

• Ruthenium plating on high phosphorous EN open Q. - March 4

• Hydraulic fluid leaks through/over hard chromium plating open Q. - March 4

• Need Cadmium Plating per NAS672 RFQ So. California - March 3

• Zinc plating thickness vs. salt spray resistance - March 2

• Copper Tungsten: Activation / Plating / Surface Treatment Thanks! Resolved :-) - February 28

• Hydrogen embrittlement in zinc plating of auto parts from the 1960's - February 23

• Thin Dense Chrome has Brown Spots open Q. (February 15)

• Nickel plating onto alumina dispersion-strengthened Cu alloy (February 14)

• Barrier layer when gold plating on sterling silver open Q. (February 13)

• Poor plating adhesion on Remko (high purity iron) material (February 13)

• Hard chrome plating on copper open Q. (February 11)

• Matte Tin Plating on top of Bright Tin Plating open Q. (February 11)

• White Spots on Cadmium Plating from wooden shipping crates? open Q. (February 10)

• Cost of hard chroming a cylindrical shaft (February 10)

• Cadmium Plating Problems Thanks! Resolved :-) (February 10)

• How to make gold plating last longer? open Q. (February 9)

• Need Tin-cobalt plating RFQ Wheeling, IL (February 4)

• Need to hold surface finish on Zinc Nickel plated parts open Q. (February 3)

• Clear zinc plating develops brown stains with time open Q. (February 3)

• Fingerprints on silver plated finish (February 2)