Highly inhomogeneous compressive plasticity in nanocrystal-toughened Zr-Cu-Ni-Al bulk metallic glass

F.O. Mear; T. Wada; D.V. Louzguine-Luzgin

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Highly inhomogeneous compressive plasticity in nanocrystal-toughened Zr-Cu-Ni-Al bulk metallic glass

机译：纳米晶Zr-Cu-Ni-Al块状金属玻璃中的高度非均匀压缩塑性

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A Zr_(62)Cu_(15.5)Al_(10)Ni_(12.5) bulk metallic glass with a large supercooled liquid region of 90 K, produced by copper-mould casting, exhibits a high strength of 1730 MPa and superior but highly inhomogeneous plasticity under uniaxial compression at ambient temperature. Micro-X-ray diffraction shows that compressive loading facilitates crystallization in the monolithic glassy alloy, resulting in room-temperature plasticity. The plastic deformation of the Zr_(62)Cu_(15.5)Al_(10)Ni_(12.5) BMG may be attributed to in situ precipitation of nanocrystals during compression in heavily deformed areas.

机译：通过铸铜生产的具有90 K大过冷液体区域的Zr_（62）Cu_（15.5）Al_（10）Ni_（12.5）大块金属玻璃表现出1730 MPa的高强度和优异但高度不均匀的可塑性在室温下单轴压缩下。微X射线衍射表明，压缩载荷促进单块玻璃态合金中的结晶，导致室温可塑性。 Zr_（62）Cu_（15.5）Al_（10）Ni_（12.5）BMG的塑性变形可能归因于在严重变形区域中压缩过程中纳米晶体的原位沉淀。

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来源
《Philosophical Magazine Letters》 |2009年第4期|共6页
作者
F.O. Mear; T. Wada; D.V. Louzguine-Luzgin;
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正文语种 eng
中图分类物理学;
关键词
amorphous alloys; mechanical properties; mechanical testing;

机译：非晶态合金;力学性能;力学性能;

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1. Highly inhomogeneous compressive plasticity in nanocrystal-toughened Zr-Cu-Ni-Al bulk metallic glass [J] . F.O. Mear, T. Wada, D.V. Louzguine-Luzgin Philosophical Magazine Letters . 2009,第4期

机译：纳米晶Zr-Cu-Ni-Al块状金属玻璃中的高度非均匀压缩塑性
2. Influence of strain-rate on compressive-deformation behavior of a Zr-Cu-Ni-Al bulk metallic glass at cryogenic temperature [J] . W. Zheng, Y.J. Huang, J. Shen Materials Science and Engineering . 2011,第22a23期

机译：低温下应变速率对Zr-Cu-Ni-Al大块金属玻璃压缩变形行为的影响
3. Influence of Strain Rate on Compressive Deformation Behavior of a Zr-Cu-Ni-Al Bulk Metallic Glass at Room Temperature [J] . Metallurgical and Materials Transactions A . 2011,第6期

机译：室温下应变速率对Zr-Cu-Ni-Al大块金属玻璃压缩变形行为的影响
4. Influence of structural relaxation on compressive plasticity of Zr_(64.13)Cu_(15.75)Ni_(10.12)Al_(10) bulk metallic glass [C] . Jiansheng Gu, Huifeng Bo International Conference on Advanced Composite Materials and Manufacturing Engineering . 2014

机译：结构松弛对Zr_（64.13）Cu_（15.75）Ni_（10.12）Al_（10）散装金属玻璃的压缩可塑性的影响
5. Experimental study of inhomogeneous deformation in bulk metallic glass and their composite during wedge-like cylindrical indentation. [D] . Wang, Hui. 2010

机译：块状金属玻璃及其复合材料在楔形圆柱压痕过程中非均匀变形的实验研究。
6. Generalized Mohr-Coulomb strain criterion for bulk metallic glasses under complex compressive loading [O] . Li Yu, Tzu-Chiang Wang -1

机译：复杂压缩载荷下大块金属玻璃的广义Mohr-Coulomb应变准则
7. Improvements in the plasticity and biocompatibility of Zr-Cu-Ni-Al bulk metallic glass by the microalloying of Nb [O] . Liu L, Qiu CL, Sun M, 2007

机译：Nb微合金化改善Zr-Cu-Ni-Al大块金属玻璃的塑性和生物相容性

Highly inhomogeneous compressive plasticity in nanocrystal-toughened Zr-Cu-Ni-Al bulk metallic glass

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