锆基多功能合金的动态压缩性能研究  

Dynamic compression properties of Zr-based multi-function alloy

作　　者：刘桂涛[1] 梁栋[1] 赵文天[1] 葛文艳[1] 刘铁 陈敏[1] 

机构地区：[1]中国兵器科学研究院宁波分院,浙江宁波315103 [2]晋西工业集团冲压分厂,山西太原030027

出　　处：《兵器材料科学与工程》2012年第2期73-76,共4页Ordnance Material Science and Engineering

摘　　要：利用分离式Hopkinson压杆装置研究锆基多功能合金的动态压缩性能,利用扫描电镜和能谱仪对动态压缩断口进行形貌观察和成分分析。结果表明:锆基多功能合金具有较低的应变率敏感性;合金动态压缩强度高达2 500 MPa,且随着应变率的提高,塑性变形量不断增大;动态压缩下锆基合金表现为脆性断裂,断口形貌包含剪切韧窝和滑移沟槽,断面上有部分区域发生了氧化反应。Dynamic compression properties of Zrbased multifunction alloy were investigated by split Hopkinson pressure bar （SHPB）. Dynamic compression fracture morphology and composition were observed and analyzed by SEM and EDS. The results show that Zrbased multifunction alloy has low strain rate sensitivity with high dynamic compression strength of about 2 500 MPa, and the plastic deformation increases along with strain rate increasing. Zrbased multifunction alloy appears brittle fracture in dynamic compression with the characteristic feature of shear dimples and slipping grooves. Oxidation reaction in some regions of fracture can also be observed.

关 键 词：锆基多功能合金 动态压缩性能 断口形貌 氧化反应 

分 类 号：TJ04[兵器科学与技术—兵器发射理论与技术]