HOME FAQs BOOKS JOBS: Help Wanted Suggestions you are here: Hotline/Forum => Letter 35056

Electroless Ni-P-SiC composite coating

+++++

Hi,
I am presently doing the Postgraduate project on this topic. I have some difficulties in tha tlike I am using the acid hypophosphite bath containing 30g Nickel Sulphate,10g sodium hypophsphite,10g sodium acetate,5g SiC particles and substrate for coating is of mild steel.i am not getting any coating on the substrate.i want to that why this is happening? Also I want to know that how much coating thickness should I get if I hold the substrate for 3 hr in that bath? I am using the nital etchant to observe the coating,is it a appropriate etchant?

Mahajan Devendra Ashok
Student - Pune

+++++

You left out the most important parameter--Temperature! Also what kind of agitation are you using? How are you activating the steel?

James Watts
- Navarre, Florida

ANSWER or FOLLOW UP POST an unrelated QUESTION HOT Topics

Disclaimer: It is 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. The
internet is largely anonymous; some names may be fictitious and some recommendations may be deliberately harmful.

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