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压缩过程中存在应变软化现象. 图1 ZrTiNiCuBe块体非晶合金室温静态压缩应力-应变曲线 Fig. 1 Quasi-static compression stress-strain curves of ZrTiNiCuBe bulk amorphous alloy at room temperature 图2所示为ZrTiNiCuBe块体非晶合金室温静态断裂微观形貌...黏度下降,进而造成剪切带的形成,扩展,当剪切带传播到一定程度时,诱发裂纹产生,最终造成材料发生软化失效. 图2 ZrTiNiCuBe块体非晶合金室温静态断裂的微观形貌 Fig. 2 Quasi-static compression fracture microstructure of ZrTiNiCuBe bulk amorphous alloy at room......
Production, Properties and Applications of Bulk Amorphous Alloys Akihisa Inoue1,Tao ZHANG1 (1.Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan) 摘要:A review is given of recent work concerned with the production method, the characteristic properties(1) Bulk amorphous system; (2) Mechanical and magnetic properties of bulkamorphous alloys; (3)application of bulk......
with transformation-mediated work-hardening and ductility [J]. Adv Mater, 2010, 22: 2770-2773. [20] QIAO J W, ZHANG Y, LIAW P K, CHEN G L. Micromechanisms of plastic deformation of a dendrite/Zr-based bulk... Trans. Nonferrous Met. Soc. China 22(2012) 348-353 Enhanced plasticity of Fe-based bulk metallic glass by tailoring microstructure GUO Sheng-feng1, WANG Jing-feng2, ZHANG Hong-ju2, XIE Sheng-hui3,4......
Preparation of Al72Ni8Ti8Zr6Nb3Y3 amorphous powders and bulk materialsYu Wu,Xin-fu Wang,Fu-sheng HanKey Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences摘... crystallization kinetics was analyzed by the Johnson–Mehl–Avrami equation. In the results, the supercooled liquid region of the amorphous alloy is as high as 81 K, as determined by-non-isothermal DSC curves......
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Preparation of Ti-based amorphous brazing alloy ZOU Jia-sheng(邹家生)1,2, JIANG Zhi-guo(蒋志国)1, XU Zhi-rong(许志荣)1, CHEN Guang(陈 光)2 1. Provincial Key Lab of Advanced Welding... into the Cu-Ti(Zr) alloy system. In addition, previous results showed that Cu-Ti, Cu-Zr, Ni-Zr, Ni-B,Ti-Cu-Ni melts could be solidified to form an amorphous alloy under certain condition[6]. So, Ti-Zr......
Novel Crystallization Behaviors of Zr-Based Metallic Glass Under Thermo-Mechanical Coupled Fatigue Loading ConditionZhi-Chao Ma,Xiao-Xi Ma,Hong-Wei Zhao,Fu Zhang,Li-Ming Zhou,Lu-Quan Ren摘 要:Novel crystallization behaviors of Zr55Cu30Al10Ni5 bulk metallic glass are investigated.On the one hand,mixed oxides,including CuO,CuAlO2,CuAl2O4 and ZrO2,show......
Effect of Minor Alloying on Crystallization Behavior and Thermal Properties of Zr64.5Ni15.5Al11.5Cu8.5 Bulk Amorphous AlloyMuhammad Iqbal,Javed Iqbal Akhter摘 要:Minor alloying plays an important role in the synthesis and improvement of thermal stability of bulk metallic glasses(BMGs).The present study was conducted to investigate the effect of minor......
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in glass formation of Fe-based bulk metallic glasses[J]. Appl Phys Lett, 2003, 83(13): 2581-2583. [7]Chiriac H, Lupu N. Bulk amorphous (Fe, Co, Ni)70-(Zr, Nb, M)10B20 (M=Ti, Ta or Mo) soft magnetic alloys... and thermal stability of Fe-Co-Ni-Zr-Mo-W-B bulk amorphous alloys CHEN Qing-jun1, FAN Hong-bo1, SUN Jian-fei1, SHEN Jun1,QIAN Kun-ming2, XIAN Heng-ze1 (1. School of Materials Science and Engineering,Harbin......