Aloha, fun & authoritative answers -- no cost, no registration, no passwords, no popups
(as an eBay Partner & Amazon Affiliate we earn from qualifying purchases)

Where the
world gathers for metal finishing
Q&As since 1989

-----

Colour Determining Parameter in a PVD Process

2003

Dear Sir,

This is regarding IonPlating of Gold (Brass PVD). Does the Colour of Gold (after deposition) on a part depend on the previous process (say, TiN coating) or it depends only on the Composition of the Gold Target? What is the Composition of Gold to achieve a 3N Colour, with good adhesion through (Brass) PVD Process? Assumptions : Max.Practical Carat Value for Gold (Say, 22 to 23.x)

Best Regards,

V.Karthik
- Hosur, Tamil Nadu, India

To achieve 23K you need to use 24K gold lump. All it will depend what process you are using! TiN will take your colour towards black, Brass will give you great problem due to Zinc in it. System with sputtering is different and it will give 22 to 23 K colour with arc source is different it will give you better adhesion and better 23K colour.

Zubair Aamir
SinoPak - Lahore, Punjab, Pakistan
2003

(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully 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. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: