Method for producing electrolytic nickel in particulate forms under condition of high and variable internal stress

摘要

An electrodeposition mandrel for nickel electrodeposition having islands of bare metal surface finished by grit blasting with either cast iron grit or aluminum oxide grit to a RMS surface finish of about 130 to 300 mu inch when cast iron grit is employed and about 25 to about 150 mu inch when aluminum oxide grit is employed.