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不同元素掺杂对Zr基非晶形成能力及力学性能的影响

Effects of Additional Different Element on Glass Forming Ability and Mechanical Properties of Bulk Zr-based Amorphous Alloys

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【Author】 KOU Sheng-zhong1,2,ZHENG Bao-chao1,LI Na1,HANG Wen-jun1,CHEN Yan1,SUO Hong-li2(1.State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials,Lanzhou University of Technology,Lanzhou 730050,Gansu,China;2.The Key Laboratory of Advanced Functional Materials,Ministry of Education,Beijing University of Technology,Beijing 100022,China)

【机构】兰州理工大学甘肃省有色金属新材料省部共建国家重点实验室；北京工业大学材料学院国家教育部功能材料重点实验室；

【摘要】在水冷铜坩埚中采用铜模吸铸法制备成直径为3 mm的Zr63Cu17.5Ni10Al7.5TM2(TM=Y,Fe,Ti)合金圆棒。通过X射线衍射(XRD)、差热分析(DSC)、力学性能及断口扫描(SEM)检测,结果表明Y、Fe、Ti元素微量掺杂可以得到完全非晶,Fe、Ti元素掺杂的试样具有较高的非晶形成能力和热稳定性(ΔTx>86 K,Trg>0.87),而Fe元素掺杂的非晶试样具有高的力学性能,其断裂强度可达2338 MPa。更多还原

【Abstract】 The alloy rods with diameters of 3.0 mm of Zr63Cu17.5Ni10Al7.5TM2(TM=Y,Fe,Ti) were prepared by copper mold with suction casting method in water cooling crucible.The analysis by XRD,DSC,mechanical properties testing and fracture scanning(SEM).The analysis showed that Y,Fe,Ti-doped alloys can be completely amorphous,Fe,Ti elements doped samples have a high glass-forming ability and thermal stability(ΔTx>86 K,Trg>0.87),The elements doped amorphous Fe samples behave high mechanical properties,the breaking strength up to 2338 MPa.更多还原

【关键词】 Zr基块体非晶合金；强度；非晶形成能力；力学性能；
【Key words】 Zr-based bulk metallic glass； stress； glass-forming ability； mechanical properties；

【文献出处】金属功能材料 ,Metallic Functional Materials , 编辑部邮箱 ,2011年02期

【分类号】TG139.8
【被引频次】5
【下载频次】188

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