电解氧化铝Effect of Co on microstructure and mechanical properties of precipitation hardening stainless steel 期刊名称： Metallurgical Rearch and Technology
作者： Xiang LV,De-ning Zou,Jiao Li,Yang Pang,Yu-nong Li水浒传经典语录
年份： 2020年
快乐岛
期号： 第1期
关键词： mechanical properties;reverd austenite;cobalt;precipitation hardening stainless steel
摘要：The effects of Co element on the microstructure of precipitation hardening stainless steel was investigated by metallographic microscope (OM), transmission electron microscopy (TEM) and X-ray diffractometry (XRD), and the mechanical properties were measured by tensile, hardness and impact tests. The results show that with increasing Co content, the volume fraction of reversion austenite is incread. The precipitation of ε-Cu pha is remarkably decread, leading to the improvement of ductility, while the strength and hardness are decread. Co element improves the strength and toughn
ess of stainless steel through fine-grain strengthening, solution strengthening and austenitic toughening.显微镜是谁发明的>上海人民广场
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