Dynamic strength behavior of Zr51Ti5Ni10Cu25Al9 bulk metallic glass(BMG) up to 66 GPa was investigated in a series of plate impact shock-release and shock-reload experiments.Particle velocity profiles measured at the sample/Li F window interface were used to estimate the shear stress,shear modulus,and yield stress in shocked BMG.Beyond confirming the previously reported strain-softening of shear stress during the shock loading process for BMGs,it is also shown that the softened Zr-BMG still has a high shear...
【英文摘要】
Dynamic strength behavior of Zr51Ti5Ni10Cu25Al9 bulk metallic glass(BMG) up to 66 GPa was investigated in a series of plate impact shock-release and shock-reload experiments.Particle velocity profiles measured at the sample/Li F window interface were used to estimate the shear stress,shear modulus,and yield stress in shocked BMG.Beyond confirming the previously reported strain-softening of shear stress during the shock loading process for BMGs,it is also shown that the softened Zr-BMG still has a high shear...
【基金】
Project supported by the National Natural Science Foundation of China(Grant No.11172281)
【更新日期】
2015-06-26
【分类号】
O347.3
【正文快照】
1.IntroductionZr56.7Cu15.3Ni12.5Nb5.0Al10.0Y0.5,up to 16.4 GPa.In contrastto the pressure-shear impact experiments,the phenomena ofBulk metallic glasses(BMGs)are intriguing materialsshear stress loss were observed in particle velocity profiles ob-with uni
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