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小木虫论坛-学术科研互动平台» 网络生活区» 有奖问答 » 有奖问答完结子版 » 15金币找到3篇Physics Reviews B文献
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weichang

木虫 (著名写手)

prince_of_persia

[交流] 15金币找到3篇Physics Reviews B文献

（1） H. Van Swygenhoven and P. M. Derlet, Phys. Rev. B 64, 224105 (2001).

（2） A. Hasnaoui, H. Van Swygenhoven and P. M. Derlet, Phys. Rev. B 66, 184112 (2002).

（3）26. H. Van Swygenhoven, P. M. Derlet and A. Hasnaoui, Phys. Rev. B 66, 024101 (2002).

篇名我也不知道，我是从一篇论文的参考文献里找到上面3篇文献的信息。

相信如果学校里有征订Physics Reviews数据库的，查起来是很方便的，靠作者和起页码就能找到。


找到请发我邮箱。谢谢。 artherxwc@163.com。

找到后请回复：我找到了，已发往你邮箱（避免他人重复劳动），我会付你另外的9金币的。谢谢。
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从事科学研究，态度是金，智慧是银
1楼 2009-04-12 21:37:07
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Toby_John

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weichang(金币+2,VIP+0):非常感谢。 4-13 10:38
H. Van Swygenhoven and P. M. Derlet
Paul Scherrer Institute, 5232 Villigen, Switzerland

Received 8 March 2001; revised 21 June 2001; published 20 November 2001

Molecular-dynamics computer simulations of a model Ni nanocrystalline sample with a mean grain size of 12 nm under uniaxial tension is reported. The microscopic view of grain-boundary sliding is addressed. Two atomic processes are distinguished in the interfaces during sliding: atomic shuffling and stress-assisted free-volume migration. The activated accommodation processes under high-stress and room-temperature conditions are grain-boundary and triple-junction migration, and dislocation activity.

全文请到下面网盘下载：

http://www.91files.com/?BW2F6O4BZOIJTUN0978J
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2楼2009-04-13 00:07:47
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Toby_John

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weichang(金币+2,VIP+0):非常感谢 4-13 10:46
A. Hasnaoui, H. Van Swygenhoven, and P. M. Derlet
Paul Scherrer Institute, Villigen, CH-5232, Switzerland

Received 2 July 2002; published 27 November 2002

Large scale molecular dynamics (MD) simulations are used to simulate the plastic deformation of a nanocrystalline model Ni sample with an average grain size of 5 nm containing 125 grains at 800 K up to 4.0% plastic strain. For the first time in MD simulation, emerging shear planes involving several grain boundaries have been observed indicating cooperative plastic deformation activity between grains. It is found that three mechanisms have been involved in the development of such shear planes: grain-boundary migration, continuity of shear plane via intragranular slip, and rotation and coalescence of grains.

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3楼2009-04-13 00:11:13
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Toby_John

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weichang(金币+2,VIP+0):非常感谢。 4-13 10:49
H. Van Swygenhoven, P. M. Derlet, and A. Hasnaoui
Paul Scherrer Institute, Villigen, CH-5232, Switzerland

Received 22 February 2002; published 24 June 2002

The present work deals with the atomic mechanism responsible for the emission of partial dislocations from grain boundaries (GB’s) in nanocrystalline metals. It is shown that in 12 and 20 nm grain size samples GB’s containing GB dislocations can emit a partial dislocation during deformation by local atomic shuffling and stress-assisted free volume migration. The free volume is often emitted or absorbed in a neighboring triple junction. It is further suggested that the degree of delocalization surrounding the grain boundary dislocation determines whether atomic shuffling can associate displacements into the Burgers vector necessary to emit a partial dislocation. Temporal analysis of atomic configurations during dislocation emission indicates that creation and propagation of the partial might be separate processes.

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4楼2009-04-13 00:13:05
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weichang

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prince_of_persia
引用回帖:
Originally posted by Toby_John at 2009-4-13 00:13:
H. Van Swygenhoven, P. M. Derlet, and A. Hasnaoui
Paul Scherrer Institute, Villigen, CH-5232, Switzerland

Received 22 February 2002; published 24 June 2002

The present work deals with the a ...

还欠你9个金币怎么还？

我还有SCIENCE 和Philosophy Magazine两篇文章要找，这个你能找到吗？

如果能。另加6金币凑15金币发张贴，你来取，可以吗？

以你回复为准。
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从事科学研究，态度是金，智慧是银
5楼2009-04-13 10:55:55
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