应用铜模真空吸铸法制备直径达5mm的棒状新型Zr57Nb5Cu154Ni12.6Al10大块非晶样品.X射线衍射检测证明样品完全为非晶态.通过等温示差扫描量热法(DSC)测试了Zr57Nb5Cu15.4Ni12.6Al10大块非晶的晶化动力学效应,同时研究了大块非晶合金的室温单轴压缩变形和断裂行为.结果表明:Zr57Nb5Cu15.4Ni12.6Al10块体非晶晶化过程具有动力学效应;其室温压缩变形过程主要表现为弹性变形;断裂面与压缩方向约呈45°,断口呈现典型的脉状花样.
参考文献
| [1] | 汪卫华;王文魁;白海洋 .新型Zr-Ti-Cu-Ni-Be-C大块非晶合金的形成[J].中国科学A辑,1998,28(05):443. |
| [2] | A.Inoue .Stabilization of metallic supercooled liquid and bulk amorphous alloys[J].Acta materialia,2000(1):279-306. |
| [3] | Inoue A et al.Preparation of 16 mm diameter rod of amorphous Zr/sub 65/Al/sub 7.5/Ni/sub 10/Cu/sub 17.5/alloy[J].Materials Transactions,1993,34(12):1234. |
| [4] | Inoue A;Zhang T .Fabrication of bulk glassy Zr/sub 55/Al/sub 10/Ni/sub 5/Cu/sub 30/alloy of 30 mm in diameter by a suction casting method[J].Materials Transactions,1996,37(02):185. |
| [5] | Peker A;Johnson W L .A highly processable metallic glass:Zr/sub 41.2/Ti/sub 13.8/Cu/sub 12.5/Ni/sub 10.0/Be/sub 22.5/[J].Applied Physics Letters,1993,63(17):2342. |
| [6] | Wang Y H;Yang Y S.Amorphous[M].北京:冶金工业出版社,1989:341. |
| [7] | 郭秀丽,李德俊,王英敏,羌建兵,董闯.块状非晶态合金Zr65Al7.5Ni10Cu17.5的室温单轴压缩断裂行为[J].金属学报,2003(10):1089-1093. |
| [8] | Gilbert C J;Schroeder V;Ritchie R O .Mechanisms for fracture and fatigue-crack propagation in a bulk metallic glass[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1999,30A(07):1739. |
| [9] | C. T. Liu;L. Heatherly .Test environments and mechanical properties of Zr-Base bulk amorphous alloys[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,1998(7):1811-1820. |
| [10] | Bruck H.A.;Rosakis A.J. .The dynamic compressive behavior of beryllium bearing bulk metallic glasses[J].Journal of Materials Research,1996(2):503-511. |
| [11] | Wendelin J. Wright;Ranjana Saha;William D. Nix .Deformation mechanisms of the Zr{sub}40Ti{sub}14Ni{sub}10Cu{sub}12Be{sub}24 bulk metallic glass[J].Materials transactions,2001(4):642-649. |
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