摘要
利用光学显微镜、扫描电镜和性能测试等手段研究了锰铜合金奥贝球铁标准试样的显微组织与力学性能。结果表明,锰铜合金奥贝球铁标准试样经等温淬火和回火后的力学性能范围为σb1007.4~1200MPa,δ5.2%~8.8%,HRC32~35,αk70~120J/cm2,达到了EN1564-97/EN-CJS-1000-5欧洲标准。
The microstructure and mechanics properties of standard sample of Mn-Cu alloyed austempered ductile iro (ADI) have been investigated using optical microscope (OM),scanning electron microscope (SEM) and performance measurement. The experimental results showed that mechanics properties (σb1007.4-1200MPa ,δ5.2-8.8%, HRC32-35, αk70N 120J/cm^2) of standard sample have reached that in European standard EN 1564-97/EN-CJS- 1000-5.
出处
《中国铸造装备与技术》
CAS
2010年第2期21-24,共4页
China Foundry Machinery & Technology
关键词
奥贝球铁
铜
锰
显微组织
力学性能
Austempered ductile iron
Mn
Cu
Microstructure
Mechanics properties