Finishing.com Forum: ANODIZING AND LIGHT METAL TREATMENTS (Aluminum, Magnesium)

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0. Choosing a Finish (corrosion, compatibility)

1. Preparing the part (mech. prep • chem. pretreat • masking & racking)

2. Metallic Finishing (stainless & titanium • anodizing & light metals • electroplating • electroless plating • PVD & vacuum processes • galvanizing • bluing • other inorganic processes)

3. Organic Finishing (CED, electrocoat • powder coating • lacquers, clearcoats • painting, printing, adhesives)

4. Post-treatments (chemical post-treats • baking, soldering, drying • stripping & reworks)

5. Supporting Issues (analysis, lab, QA/QC • water & waste • safety, emissions • plant/process engrg. • specs, books, stats • lingo • metallurgy • precious metal recovery)

6. NON-industrial (hobbyists, DIY, around home • research, thesis • K-12 science • Artists' Corner)

7. NOT Metal Finishing (off topic but interesting)

2b. ANODIZING AND LIGHT METAL TREATMENTS (Aluminum, Magnesium)

• Constant voltage anodizing issue: Current out is higher than current in open Q. - May 27

• Extend Alkaline etching bath life by decanting? open Q. - May 26

• 32137-2i Burning problem in Hard Anodizing of Aluminum - May 26

• 43777-1i White spotting on black anodising - May 25

• 10688-1i Black spots on anodized surfaces - May 25

• Conversion Coating Process (Chromating?) for Mazak (Zamak) open Q. - May 24

• Using titanium baskets & scrap aluminum wire as anodizing cathode? open Q. - May 23

• Issues black anodizing & clear anodizing sandwich panels open Q. - May 14

• 61432-1i Can't Get Anodized Aluminum Watch Dials Blue Enough - May 13

• Need anodizing theory Thanks! Resolved :-) - May 12

• 61433-1i Problem in shiny anodized product - May 4

• 61428-1i Blueish discoloration on hard anodized parts - April 17

• 44322-1i Black spots on aluminum from anodizing open Q. - April 12

• Dissolving aluminum with caustic soda - April 8

• Current drop during anodizing - April 7

• 61425-1i Stains on 6061 Aluminum open Q. - April 6

• Thickness/weight of anodize coatings Thanks! Resolved :-) - April 4

• Chromic Acid Anodizing: Introduction and Problems & Solutions - March 29

• 5907-1i Phosphoric Acid Anodizing (PAA) current & thickness issues - March 17

• Pitting Defect on Bright Finished Aluminium Extrusion open Q. - March 16

• Setup and startup of a new anodizing line - March 16

• Hardcoating Of Cast Aluminum (ADC12) open Q. - March 16

• Black anodized parts feel like a chalkboard Thanks! Resolved :-) - March 8

• Anodizing Cast Aluminum - March 6

• 6559-1i Chromate not properly coating 5052 alloy open Q. - March 3

• Two-color anodizing - February 20

• Anodizing amperage drops to zero - February 20

• How to do printing onto Anodized Aluminum open Q. - February 20

• Chemfilm & hard anodize on mic 8 aluminum - February 17

• Chromic acid is being dragged into black dye tank (February 15)

• 56407-1i Electrocolouring of anodized aluminum: speckles & white powder stains open Q. (February 12)

• Electroplating / Electrodeposition of Aluminum (February 11)

• Masking/stripping when chromate conversion and anodizing on same part open Q. (February 9)

• 27314-3i Need world-class re-anodizing of a large sculpture RFQ Hudson NY (February 9)

• Anodizing and electroless nickel on same piece (February 2)

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2b. ANODIZING AND LIGHT METAL TREATMENTS (Aluminum, Magnesium)