Effect of copper, tin, phosphorous and arsenic on the surface cracking of a 18-8 stainless steel during hot compression tests
Keywords:Austenitic stainless steel, Copper, Tin, Phosphorous, Arsenic, Surface cracking
The effect of certain different concentrations of Cu, Sn, P and As on the surface cracking of 18-8 austenitic stainless steel hot compressed specimens has been studied, at 1,123 and 1,273 K, in an oxidizing atmosphere (air). A procedure for determining surface cracking has been established, and the cracking factor obtained in this way is correlated with the chemical composition of the materials at both temperatures. The cracking factors obtained at 1,273 K have been compared with the reduction of area drops obtained by hot tension tests at the same temperature.
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