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Author:

Zhang, Jian-Min (Zhang, Jian-Min.) | Zhang, Yan (Zhang, Yan.) | Xu, Ke-Wei (Xu, Ke-Wei.) | Ji, Vincent (Ji, Vincent.)

Indexed by:

SCIE EI Scopus

Abstract:

The general expressions for the compliance s(ijkl)', Young's modulus E(h k l) and Poisson's ratio v(h k l) along an arbitrary direction [h k l] are given for cubic crystals. The representation surfaces, for which the length of the radius vector in the [h k l] direction equals to E(h k l) or v(h k l), are constructed for seven BCC transition metals Cr, Fe, Mo, Nb, Ta, V and W. Neglecting W, which is isotropic, both representation surfaces of Young's modulus and Poisson's ratio are spherical surfaces. The remaining BCC transition metals may be grouped into two classes. In the first group (Cr, Mo, Nb and V) with negative values of s(A), Young's modulus surface has eight depressed corners and six rounded protuberances at the centers of the faces. In the second group (Fe and Ta) with positive values of s(A), on the contrary, Young's modulus surface has eight rounded protuberance corners and six depressions at the centers of the faces. The contrary conclusions are obtained for Poisson's ratio. (c) 2006 Elsevier B.V. All rights reserved.

Keyword:

BCC transition metals Poisson's ratio representation surfaces Young's modulus

Author Community:

  • [ 1 ] Shaanxi Normal Univ, Coll Phys & Informat Technol, Xian 710062, Shaanxi, Peoples R China
  • [ 2 ] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China
  • [ 3 ] ENSAM, LIM, UMR 8006, F-75013 Paris, France

Reprint Author's Address:

  • Shaanxi Normal Univ, Coll Phys & Informat Technol, Xian 710062, Shaanxi, Peoples R China.

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Source :

PHYSICA B-CONDENSED MATTER

ISSN: 0921-4526

Year: 2007

Issue: 1-2

Volume: 390

Page: 106-111

0 . 7 5 1

JCR@2007

2 . 4 3 6

JCR@2020

ESI Discipline: PHYSICS;

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 16

SCOPUS Cited Count: 20

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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