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首页> 外文期刊>Philosophical Magazine Letters >Residual-stress distribution in shot-peened metallic-glass plate
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Residual-stress distribution in shot-peened metallic-glass plate

机译:喷丸金属玻璃板中的残余应力分布

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摘要

A plate of bulk metallic glass Zr_(55)Ti_5Al_(10)Cu_(20)Ni_(10), shot-peened on both faces, has been studied by synchrotron X-ray diffraction in transmission. The ellipticity in the first diffraction halo changes throughout the plate thickness. The elastic strain in the plate interior is measured and the compressive stress profile in the peened surfaces is estimated. Structural anisotropy and dilatation induced by plastic deformation preclude direct measurement of the elastic strain in the peened layers. Plastic deformation induces softening, but changes in the elastic properties remain undetermined.
机译:通过透射中的同步X射线衍射研究了在两个面上均喷丸处理的大块金属玻璃板Zr_(55)Ti_5Al_(10)Cu_(20)Ni_(10)。第一衍射光晕中的椭圆率在整个板厚度上都变化。测量板内部的弹性应变,并估计锤击表面的压缩应力曲线。由于塑性变形引起的结构各向异性和膨胀,无法直接测量喷丸层中的弹性应变。塑性变形引起软化,但是弹性性能的变化仍未确定。

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