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中文摘要：
我们报导试验性的证据在原处Mg_( 77 )Cu_( 12 ) Zn_5Y_6 体积与 18.5percent 的非凡的塑料紧张和 4.31X10 ~的特定的力量合成的金属性的玻璃( BMG )矩阵 5 N 中心点 m 中心点kg~(在 Mg 是最高的粘性和特定的力量的-1),基于 BMG 合金迄今为止报导了。优秀机械性质被归因于非结晶的矩阵镇静的合成结构的形成 andhexagonal 拥挤不堪(hcp ) Mg 稳固的答案针与宽度分阶段执行不到 500 nm。Asplastic 阶段， Mg 针不仅拥有变丑的能力而且有工作变硬现象效果。他们产生多重砍乐队，并且妨碍本地人的繁殖砍在非结晶的矩阵的乐队。
英文摘要：
We report experimental evidence of in-situ Mg77Cu12Zn5Y6 bulk metallic glass （BMG） matrix composite with extraordinary plastic strain of 18.5% and specific strength of 4.31×10^5 N.m.kg^-1, which are the highest plasticity and specific strength in Mg base BMG alloys reported to date. The excellent mechanical properties are attributed to the formation of the composite structure which is composed of amorphous matrix and hexagonal-close-packed （hcp） Mg solid solution needle phase with a width less than 500 nm. As plastic phase, the Mg needles not only possess the capability of deformation but also have work hardening phenomenon effect. They give rise to multiple shear bands, and hinder the propagation of local shear band in amorphous matrix.
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