ASTM B281 PDF

This standard is issued under the fixed designation B; the number immediately This practice is under the jurisdiction of ASTM Committee B08 on Metallic. Purchase your copy of ASTM B – 88() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. DOCUMENT NUMBER DOCUMENT TITLE Date ASTM-B COPPER AND GL OCT ASTM-B COPPER-ACCELERATED ACETIC ACID-SALT.

Author: Nira Taule
Country: Spain
Language: English (Spanish)
Genre: Travel
Published (Last): 12 February 2010
Pages: 137
PDF File Size: 9.50 Mb
ePub File Size: 8.45 Mb
ISBN: 617-9-98508-875-7
Downloads: 36698
Price: Free* [*Free Regsitration Required]
Uploader: Samuzahn

I am a Supplier Quality Eng. My plater is facing unsolved peeling issue after gold plating.

Hope that you can advise why material couldn’t be coated properly during Ni or gold plating. Would the hardening process caused plating failure.

ASTM B281 – 88(2013)

First of two simultaneous responses — March 20, CuBe is a problematic material to be plated specially if you heat treat. After the heat treatment you have tenacious oxides that hard to eliminate and cause later the problems in the plating shop. You can avoid the oxides making the heat treatment in vacuum or develop a special process to take out the oxides. Ricardo Burstein Bnei Berak, Israel Second of two simultaneous responses — March 22, Suhana, During heat treatment, BeCu forms a tenacious beryllium oxide layer that has to be removed before any plating can be performed.

  HIEROGLYPHICA HORAPOLLO PDF

ASTM B [link by ed.

ASTM B() 电镀层和转化镀层用铜和铜基合金的制备的标准作法 标准

C for complete removal of the beryllium oxide film before electroplating. Alternatively, check out some of the earlier postings at finishing. Hi, Gold plating can peel off from a nickel layer if you have too much och brightener in the nickel solution.

The rinse between nickel and gold plating should be done aztm a clean rinsing water free from any nickel solution contamination. You not mentioned anything about pretreatment steps they are using.

European Defence Agency – EDSTAR

It’s not possible to diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author’s employer. From beautiful Pine Beach New Jersey: You can avoid the oxides making the heat treatment in vacuum or develop a special process to take out the oxides Ricardo Burstein Bnei Berak, Israel Second of two simultaneous responses — March 22, Suhana, During heat treatment, BeCu forms a tenacious beryllium oxide layer that has to be removed before any plating can be performed.

  LIVRO DISPOSITIVOS SEMICONDUTORES DIODOS E TRANSISTORES PDF

SK Cheah – Penang, Malaysia March 22, Hi, Gold plating can peel off from a nickel layer if you have too much och brightener in the nickel solution. Ricardo Burstein Bnei Berak, Israel.