ZL116合金的半固态模锻成形组织与性能  

Microstructure of Semi-Solid Forging Piece of ZL116 Alloy and Properties

作　　者：王平[1] 郑连辉[1] 赵大志[1] 路贵民[1] 崔建忠[1] 

机构地区：[1]东北大学材料电磁过程研究教育部重点实验室,辽宁沈阳110004

出　　处：《稀有金属》2006年第z2期140-143,共4页Chinese Journal of Rare Metals

基　　金：国家自然科学基金资助项目(50374031);中国博士后科学基金资助项目(2005038591);辽宁省自然科学基金资助项目(20054003)

摘　　要：采用300 t压力机,对半固态ZL116合金进行了模锻成形实验。结果表明:半固态模锻成形可以获得组织致密、轮廓清晰、充型完整的成形件;成形件微观组织主要为细小、分布均匀的近球状和蔷薇状非枝晶组织;同时由于成形静压力的作用引起局部组织发生塑性变形,使半固态模锻件的性能明显优于液态模锻件的性能。硬度可达65.7HB,高于液态模锻件20.5%,为半固态加工技术在战车上的应用奠定基础。Thixoforging tests on semi-solid ZL116 alloy were carried out using the 300 T press machine.The results show that the castings of ZL116 alloy by semi-solid forging process are more compact,clean-cut and full-filled.Its microstructure is mainly the homogeneous,fine near-spherical and rosette non-dentritic grains.And the properties of castings are increased obviously because of the plastic deformation of some grains caused by the steady deformation force,and its hardness is about 65.7HB.

关 键 词：ZL116合金 半固态 模锻成形 组织 性能 

分 类 号：TG151.2[金属学及工艺—热处理]