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北京石油化工学院2026年研究生招生接收调剂公告
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hslining

木虫 (正式写手)


[资源] 【原创】Acta Materialia - Article in Press, Corrected Proof

Studies of shear band velocity using spatially and temporally resolved measurements of strain during quasistatic compression of a bulk metallic glass

Wendelin J. Wrighta, M.W. Samalea, T.C. Hufnagelb, M.M. LeBlancc and J.N. Florandoc

aSanta Clara University, Dept. of Mechanical Engineering, Santa Clara, CA 95053, USA
bJohns Hopkins University, Dept. of Materials Science and Engineering, Baltimore, MD 21218, USA
cLawrence Livermore National Laboratory, Livermore, CA 94550, USA
Received 5 May 2009; revised 10 June 2009; accepted 11 June 2009. Available online 23 July 2009.
Abstract
We have made measurements of the temporal and spatial features of the evolution of strain during the serrated flow of Pd40Ni40P20 bulk metallic glass tested under quasistatic, room temperature, uniaxial compression. Strain and load data were acquired at rates of up to 400 kHz using strain gages affixed to all four sides of the specimen and a piezoelectric load cell located near the specimen. Calculation of the displacement rate requires an assumption about the nature of the shear displacement. If one assumes that the entire shear plane displaces simultaneously, the displacement rate is approximately 0.002 m s–1. If instead one assumes that the displacement occurs as a localized propagating front, the velocity of the front is approximately 2.8 m s−1. In either case, the velocity is orders of magnitude less than the shear wave speed (2000 m s−1). The significance of these measurements for estimates of heating in shear bands is discussed.
Keywords: Metallic glasses; Shear band velocity; Plastic deformation; Compression test

[ Last edited by hslining on 2009-9-10 at 16:53 ]
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zhudp

银虫 (小有名气)



小木虫(金币+0.5):给个红包,谢谢回帖交流
hslining(金币+0,VIP+0):对“原创”理解有误吧。 8-2 18:50
哦 不是LZ的文章啊  那怎么还贴上【原创】标签呢 让人误会啊 呵呵
3楼2009-08-02 16:17:49
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zhudp

银虫 (小有名气)


hslining(金币+0,VIP+0):呵呵,不是LZ的文章。 8-2 15:14
楼主牛人啊!祝贺!
2楼2009-08-02 10:34:04
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★★★★★ 五星级,优秀推荐

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amannnn(金币+2,VIP+0):谢谢参与讨论 8-4 10:12
Wendelin J. Wright
也是个牛人啊,读博士期间发的几篇文章,虽然期刊没有很高的影响因子,如MSE, MT等,但是文章到现在的引用都100次以上了。
好几年没看到她在非晶力性领域发文章了,还以为她不搞这个了,现在终于又看到她了,呵呵,好啊
4楼2009-08-04 08:51:41
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☆ 无星级 ★ 一星级 ★★★ 三星级 ★★★★★ 五星级
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