Influences of Si, W, and Cu on the Localized and Stress Corrosion of 18 Cr Austenitic Stainless Steel

摘要

Effects of Si, W and Cu on the localized and stress corrosion of 18 % Cr austenitic stainless steel were investigated using experimetal strategy of full factorial design. The resistance to localized and stress corrosion of the alloy was improved with increasing the contents of Si, W and Cu in the range of 0.5 ～ 1.5 % for Si, 0.1 ～ 0.5 % for W and 0.2 ～ 2.0 % for Cu. In addition, we found an interaction effect between Si and Cu on the reistance to localized and stress corrosion of the alloy.