Structural relaxation in a heavily cold-worked metallic glass

被引：41
作者：
Mear, F. O. [1 ]
Lenk, B. [1 ]
Zhang, Y. [1 ]
Greer, A. L. [1 ]
机构：
[1] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
来源：
SCRIPTA MATERIALIA | 2008年 / 59卷 / 12期
关键词：
Differential scanning calorimetry; Metallic glass; Plastic deformation; Shear bands; Structural relaxation;
D O I：
10.1016/j.scriptamat.2008.08.023
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Differential scanning calorimetry heating runs on as-cast and shot-peened bulk metallic glass Pd40Cu30Ni10P20 show a broad temperature range of heat release (relaxation spectrum) with two peaks. The higher-temperature peak is reduced by shot-peening, suggesting uniform deformation and partial relaxation of the glassy structure. Peening of pre-annealed samples shows the stored energy of cold work to be a few per cent of the work done. Peening increases atomic mobility, revealed by a downward temperature shift of the relaxation spectrum. (c) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1243 / 1246
页数：4
相关论文
共 50 条
  • [41] Shear band relaxation in a deformed bulk metallic glass
    Binkowski, I.
    Shrivastav, G. P.
    Horbach, J.
    Divinski, S. V.
    Wilde, G.
    ACTA MATERIALIA, 2016, 109 : 330 - 340
  • [42] Shear modulus and internal friction hystereses during structural relaxation of metallic glasses based on Pd and Zr in the vicinity of the glass transition range
    V. A. Khonik
    Yu. P. Mitrofanov
    A. S. Makarov
    G. V. Afonin
    A. N. Tsyplakov
    Physics of the Solid State, 2015, 57 : 1574 - 1578
  • [43] Isochronal tensile stress relaxation of a bulk metallic glass
    Bobrov, OP
    Khonik, VA
    Laptev, SN
    SCRIPTA MATERIALIA, 2004, 50 (03) : 337 - 341
  • [44] Rejuvenation of La-based metallic glass by controlling different modes of relaxation
    Yang, Yifan
    Geng, Jing
    Cao, Yunwei
    Fan, Li
    Shi, Bo
    SCRIPTA MATERIALIA, 2025, 256
  • [45] Structural relaxation in Pd-Cu-Ni-P metallic glasses
    Haruyama, O
    Tando, A
    Kimura, HM
    Nishiyama, N
    Inoue, A
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2004, 375 : 292 - 296
  • [46] Study of structural relaxation in alloys of metallic glasses
    Habibi, S
    Soudmand, M
    SURFACE AND INTERFACE ANALYSIS, 2004, 36 (08) : 929 - 930
  • [47] Shear band fracture in metallic glass: Hot or cold?
    Qu, R. T.
    Wang, S. G.
    Li, G. J.
    Wang, R. F.
    Wang, X. D.
    Wu, S. J.
    Zhang, Z. F.
    SCRIPTA MATERIALIA, 2019, 162 : 136 - 140
  • [48] Structural relaxation in the glass: Evidence for a path dependence of the relaxation time
    Simon, Sindee L.
    Bernazzani, Paul
    JOURNAL OF NON-CRYSTALLINE SOLIDS, 2006, 352 (42-49) : 4763 - 4768
  • [49] Structural inhomogeneity and strain rate dependent indentation size effect in Zr-based metallic glass
    Xue, F.
    Wang, F.
    Huang, P.
    Lu, T. J.
    Xu, K. W.
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2016, 655 : 373 - 378
  • [50] Micropillar compression studies on a bulk metallic glass in different structural states
    Dubach, A.
    Raghavan, R.
    Loeffler, J. F.
    Michler, J.
    Ramamurty, U.
    SCRIPTA MATERIALIA, 2009, 60 (07) : 567 - 570
12345