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Title: Room-Temperature Deformation and Martensitic Transformation of Two Co-Cr-Based Alloys

Abstract

Here, deformation of two Co-Cr alloys was studied by in situ synchrotron X-ray diffraction. Both alloys show stress-induced martensite transformation, which is affected by phase stabilities and transformation strains. Crystal structure of WC in Co-20Cr-15W-10Ni is identified. Compared with other phases present, it is elastically isotropic, exhibits high strength, and can elastically withstand strains exceeding 1 pct. Texture change during phase transformation is explained based on the crystal orientation relationship between γ- and ε-phases.

Authors:
 [1];  [1];  [2];  [2];  [3]
  1. Fort Wayne Metals Research Products Corp., Fort Wayne, IN (United States)
  2. Northeastern Univ., Shengyang (China)
  3. Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
National Natural Science Foundation of China (NNSFC); USDOE
OSTI Identifier:
1466349
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science
Additional Journal Information:
Journal Volume: 49; Journal Issue: 7; Journal ID: ISSN 1073-5623
Publisher:
ASM International
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Cai, Song, Schaffer, J. E., Huang, D., Gao, J., and Ren, Y. Room-Temperature Deformation and Martensitic Transformation of Two Co-Cr-Based Alloys. United States: N. p., 2018. Web. doi:10.1007/s11661-018-4636-x.
Cai, Song, Schaffer, J. E., Huang, D., Gao, J., & Ren, Y. Room-Temperature Deformation and Martensitic Transformation of Two Co-Cr-Based Alloys. United States. doi:10.1007/s11661-018-4636-x.
Cai, Song, Schaffer, J. E., Huang, D., Gao, J., and Ren, Y. Wed . "Room-Temperature Deformation and Martensitic Transformation of Two Co-Cr-Based Alloys". United States. doi:10.1007/s11661-018-4636-x. https://www.osti.gov/servlets/purl/1466349.
@article{osti_1466349,
title = {Room-Temperature Deformation and Martensitic Transformation of Two Co-Cr-Based Alloys},
author = {Cai, Song and Schaffer, J. E. and Huang, D. and Gao, J. and Ren, Y.},
abstractNote = {Here, deformation of two Co-Cr alloys was studied by in situ synchrotron X-ray diffraction. Both alloys show stress-induced martensite transformation, which is affected by phase stabilities and transformation strains. Crystal structure of WC in Co-20Cr-15W-10Ni is identified. Compared with other phases present, it is elastically isotropic, exhibits high strength, and can elastically withstand strains exceeding 1 pct. Texture change during phase transformation is explained based on the crystal orientation relationship between γ- and ε-phases.},
doi = {10.1007/s11661-018-4636-x},
journal = {Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science},
number = 7,
volume = 49,
place = {United States},
year = {2018},
month = {5}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

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Cited by: 2 works
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Figures / Tables:

Table 1 Table 1: Chemical compositions (mass%) of two materials

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.