铸造超低碳镍基合金的含铬量对其组织与性能的影响  

Influence of Chromium Content on Microstructure and Properties of Cast Nickel Alloy with Ultra-low Carbon Content

作　　者：秦紫瑞[1] 郭宁[1] 李隆盛[1] 于勇 

机构地区：[1]大连理工大学,辽宁大连116023 [2]大连耐酸泵厂,辽宁大连116023

出　　处：《上海有色金属》2001年第4期160-163,共4页Shanghai Nonferrous Metals

摘　　要：设计了耐盐酸复合介质的新型铸造超低碳镍基合金的化学成分 ,着重研究了含铬量对其组织与腐蚀行为的影响。试验结果表明 ,含有 1 5 %Cr的超低碳铸造Ni Cr Mo Fe合金 ,在苛刻的盐酸复合介质中具有优良的耐蚀性能 ,并具有良好的机械性能、切削加工性能与铸造性能。The chemical composition of the captioned alloy for hydrochloric acid medium was designed.The influence of the chromium content on the microstructure and the corroding behavior is studied.The results show that the alloy containing 15% chromium shows good corrosion resistance in harsh hydrochloric acid complex medium and has good mechanical properties,machinability and castability.

关 键 词：铸造镍基合金 显微组织 腐蚀行为 切削加工性能 铸造性能 

分 类 号：TG146.15[一般工业技术—材料科学与工程] TG291[金属学及工艺—金属材料]