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Title: An in situ neutron diffraction study of plastic deformation in a Cu46.5Zr46.5Al7 bulk metallic glass composite

Abstract

Micro-mechanical behaviors of a Cu46.5Zr46.5Al7 bulk metallic glass composite in the plastic regime were investigated by continuous in situ neutron diffraction during compression. Three stages of the plastic deformation were observed according to the work-hardening rate. Here, the underlying natures of the work hardening, correlating with the lattice/microscopic strain evolution, are revealed for the three stages: (1) the initiation of shear bands, (2) the phase load transferring from the amorphous phase to the B2 phase and (3) the accelerated martensitic transformation and the work hardening of the polycrystalline phases promoted by the rapid propagation of the shear bands.

Authors:
 [1]; ORCiD logo [2];  [3];  [4];  [4];  [3]; ORCiD logo [2]
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  1. Northeastern Univ., Shenyang (People's Republic of China); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Northeastern Univ., Shenyang (People's Republic of China)
  4. Chinese Academy of Sciences, Shenyang (People's Republic of China)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1439155
Alternate Identifier(s):
OSTI ID: 1582799
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Scripta Materialia
Additional Journal Information:
Journal Volume: 153; Journal Issue: C; Journal ID: ISSN 1359-6462
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Bulk metallic glass composite; In situ neutron diffraction; Micro-mechanical behaviors; Amorphous; Load transfer

Citation Formats

Wang, D. M., Chen, Yan, Mu, Juan, Zhu, Z. W., Zhang, H. F., Wang, Y. D., and An, Ke. An in situ neutron diffraction study of plastic deformation in a Cu46.5Zr46.5Al7 bulk metallic glass composite. United States: N. p., 2018. Web. doi:10.1016/j.scriptamat.2018.05.012.
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Wang, D. M., Chen, Yan, Mu, Juan, Zhu, Z. W., Zhang, H. F., Wang, Y. D., & An, Ke. An in situ neutron diffraction study of plastic deformation in a Cu46.5Zr46.5Al7 bulk metallic glass composite. United States. https://doi.org/10.1016/j.scriptamat.2018.05.012
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Wang, D. M., Chen, Yan, Mu, Juan, Zhu, Z. W., Zhang, H. F., Wang, Y. D., and An, Ke. Mon . "An in situ neutron diffraction study of plastic deformation in a Cu46.5Zr46.5Al7 bulk metallic glass composite". United States. https://doi.org/10.1016/j.scriptamat.2018.05.012. https://www.osti.gov/servlets/purl/1439155.
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@article{osti_1439155,
title = {An in situ neutron diffraction study of plastic deformation in a Cu46.5Zr46.5Al7 bulk metallic glass composite},
author = {Wang, D. M. and Chen, Yan and Mu, Juan and Zhu, Z. W. and Zhang, H. F. and Wang, Y. D. and An, Ke},
abstractNote = {Micro-mechanical behaviors of a Cu46.5Zr46.5Al7 bulk metallic glass composite in the plastic regime were investigated by continuous in situ neutron diffraction during compression. Three stages of the plastic deformation were observed according to the work-hardening rate. Here, the underlying natures of the work hardening, correlating with the lattice/microscopic strain evolution, are revealed for the three stages: (1) the initiation of shear bands, (2) the phase load transferring from the amorphous phase to the B2 phase and (3) the accelerated martensitic transformation and the work hardening of the polycrystalline phases promoted by the rapid propagation of the shear bands.},
doi = {10.1016/j.scriptamat.2018.05.012},
journal = {Scripta Materialia},
number = C,
volume = 153,
place = {United States},
year = {Mon May 21 00:00:00 EDT 2018},
month = {Mon May 21 00:00:00 EDT 2018}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1016/j.scriptamat.2018.05.012
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Citation Metrics:
Cited by: 18 works
Citation information provided by
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Figures / Tables:

Fig. 1 Fig. 1: Measured compressive stress-strain curve of the Cu46.5Zr46.5Al7 BMGC in the 2nd cycle; (b) work hardening rate vs. strain in the 2nd cycle.
All figures and tables (13 total)
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journal, March 2017

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    Works referencing / citing this record:

    Bending Behavior of a Wrought Magnesium Alloy Investigated by the In Situ Pinhole Neutron Diffraction Method
    journal, August 2018

    A suite-level review of the neutron powder diffraction instruments at Oak Ridge National Laboratory
    journal, September 2018

    • Calder, S.; An, K.; Boehler, R.
    • Review of Scientific Instruments, Vol. 89, Issue 9
    • DOI: 10.1063/1.5033906
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      Figures / Tables found in this record:

      Fig. 1 (p. 13)figure
      Fig. 2 (p. 14)figure
      Fig. 3 (p. 15)figure
      Fig. 4 (p. 16)figure
      Fig. A.1 (p. 17)figure
      Fig. A.2 (p. 18)figure
      Fig. A.3 (p. 19)figure
      Fig. A.4 (p. 20)figure
      Fig. A.5 (p. 22)figure
      Fig. A.6 (p. 22)figure
      Fig. A.7 (p. 22)figure
      Fig. A.8 (p. 23)figure
      Fig. A.9 (p. 23)figure
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