Capture Deformation Twinning in Mg during Shock Compression with Ultrafast Synchrotron X-Ray Diffraction

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成果类型：

期刊论文

作者：

Chen, S.;Li, Y. X.;Zhang, N. B.;Huang, J. W.;Hou, H. M.;...

通讯作者：

Zhang, Y. Y.;Tang, M. X.;Luo, S. N.

作者机构：

[Luo, S. N.; Tang, M. X.; Li, Y. X.; Zhang, Y. Y.; Tang, MX; Luo, SN; Fan, D.; Chen, S.; Zeng, X. L.; Zhang, N. B.; Huang, J. W.; Zhong, T.; Ye, S. J.] Peac Inst Multiscale Sci, Chengdu 610031, Sichuan, Peoples R China.

[Luo, S. N.; Lu, L.; Hou, H. M.] Southwest Jiaotong Univ, Minist Educ, Key Lab Adv Technol Mat, Chengdu 610031, Sichuan, Peoples R China.

[Luo, S. N.; Lu, L.; Hou, H. M.] Southwest Jiaotong Univ, Inst Mat Dynam, Chengdu 610031, Sichuan, Peoples R China.

[Wang, L.] Hunan Agr Univ, Coll Sci, Changsha 410128, Hunan, Peoples R China.

[Sun, T.; Fezzaa, K.] Argonne Natl Lab, Adv Photon Source, 9700 S Cass Ave, Argonne, IL 60439 USA.

通讯机构：

[Zhang, YY; Tang, MX; Luo, SN] P

[Luo, S. N.] S

Peac Inst Multiscale Sci, Chengdu 610031, Sichuan, Peoples R China.

Southwest Jiaotong Univ, Minist Educ, Key Lab Adv Technol Mat, Chengdu 610031, Sichuan, Peoples R China.

Southwest Jiaotong Univ, Inst Mat Dynam, Chengdu 610031, Sichuan, Peoples R China.

语种：

英文

期刊：

PHYSICAL REVIEW LETTERS

ISSN：

0031-9007

年：

2019

卷：

123

期：

页码：

255501

DOI：

10.1103/PhysRevLett.123.255501

基金类别：

This work was partially supported by the National Key R&D Program of China (Grant No. 2017YFB0702002), the Scientific Challenge Project of China (Grant No. TZ2018001), and NSFC (Grant No. 11627901). Use of the Advanced Photon Source, an Office of Science User Facility operated for the U.S. Department of Energy (DOE) Office of Science by Argonne National Laboratory, was supported by the U.S. DOE under Award No. DE-AC02-06CH11357.

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本校为其他机构

院系归属：

理学院

摘要：

Deformation twinning plays a vital role in accommodating plastic deformation of hexagonal-close-packed (hcp) metals, but its mechanisms are still unsettled under high strain rate shock compression. Here we investigate deformation twinning in shock-compressed Mg as a typical hcp metal with in situ, ultrafast synchrotron x-ray diffraction. Extension twinning occurs upon shock compression along ⟨112¯0⟩ and ⟨101¯0⟩, but only upon release for loading along ⟨0001⟩. Such deformation mechanisms are a result of the polarity of deformation twinni...

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Capture Deformation Twinning in Mg during Shock Compression with Ultrafast Synchrotron X-Ray Diffraction

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