氧含量对锆基非晶塑性性能的影响  

The Effect of Oxygen Content on the Plasticity of Zr-based Amorphous Metal

作　　者：王建东 马志军[2] 李全平 颜君衡 WANG Jian-dong;MA Zhi-jun;LI Quan-ping;YAN Jun-heng(Xi’an Military Representative Office,PLA,Xi’an,710032,China;School of Materials and Chemical Engineering,Xi’an Technological University,Xi’an 710021,China;North General Power Group,Datong,037036;Shandong Qufu Jinhuang Piston Limited Company,Qufu,273100,China)

机构地区：[1]中国人民解放军陆军装甲兵军事代表局驻西安地区军事代表室,陕西西安710032 [2]西安工业大学材料与化工学院,陕西西安710021 [3]北方通用动力集团有限公司,山西大同037036 [4]山东曲阜金皇活塞股份有限公司,山东曲阜273100

出　　处：《科技视界》2018年第13期111-113,共3页Science & Technology Vision

基　　金：西安工业大学校长基金重点项目(XAGDXJJ15007)

摘　　要：非晶的塑性差是限制其作为结构材料使用的关键性技术问题。本文以高真空压铸Zr54.6Ti13.8Cu9.3Ni5.8Be13.5Nb3合金为研究对象,通过力学性能测试和微观组织结构观察,重点考察氧含量对其非晶形成能力和塑性的影响。结果表明,氧含量的增加可降低Zr54.6Ti13.8Cu9.3Ni5.8Be13.5Nb3合金的非晶形成能力,发达的枝晶状结构是导致合金力学性能下降和脆性断裂的主要原因。The poor plasticity of amorphous metal is the key technical problem limiting its application as structural materials.In this paper,the effect of oxygen content on the amorphous forming ability and plasticity of high vacuum die-casting Zr54.6Ti13.8Cu9.3Ni5.8Be13.5Nb3 alloy was investigated by mechanical properties test and microstructure observation.The results show that the increase of oxygen content can reduce the amorphous formation ability of Zr54.6Ti13.8Cu9.3Ni5.8Be13.5Nb3 alloy.The developed dendrite structure is the main cause of the decrease of mechanical properties and brittle fracture of the alloy.

关 键 词：非晶 塑性 氧含量 高真空压铸 

分 类 号：TG139.8[一般工业技术—材料科学与工程]