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APLÓйØËÜÐÔµÄÂÛÎÄ http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=APPLAB000095000007071906000001&idtype=cvips&type=ALERT [ Last edited by hslining on 2009-9-10 at 13:46 ] |
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2Â¥2009-08-22 13:23:04
hslining
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J. L. Zhang,1 H. B. Yu,2 J. X. Lu,1 H. Y. Bai,2 and C. H. Shek1,a 1Department of Physics and Materials Science, City University of Hong Kong, Kowloon Tong, Hong Kong 2Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People¡¯s Republic of China Received 9 June 2009; accepted 29 July 2009; published online 21 August 2009 Precompression treatments on Zr46.75Ti8.25Cu7.5Ni10Be27.5 bulk metallic glass rods with tapered ends induced controllable stress distributions and resulted in residual stress accompanied with a few tiny shear bands after unloading. The built-in stress state increased macroscopic plasticity dramatically and produced predictable distributions of shear bands in the cylindrical samples cut from the taper-ended samples. The macroscopic plasticity was interpreted in terms of the competition among different types of shear bands. © 2009 American Institute of Physics. DOI: 10.1063/1.3211112 |
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