Fast Deformation of Shocked Quartz and Implications for Planar Deformation Features Observed in Shocked Quartz

被引：0

作者：

Sekine, Toshimori ^{[1
,2
]}

Sato, Tomoko ^{[3
]}

Ozaki, Norimasa ^{[2
]}

Miyanishi, Kohei ^{[2
]}

Kodama, Ryosuke ^{[2
]}

Seto, Yusuke ^{[4
]}

Tange, Yoshinori ^{[5
]}

Tiwari, Subodh C. ^{[6
,7
]}

Nakano, Aiichiro ^{[6
,7
]}

Vashishta, Priya ^{[6
,7
]}

机构：

[1] Ctr High Pressure Sci & Technol Adv Res, Shanghai 201203, Peoples R China

[2] Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, Japan

[3] Hiroshima Univ, Dept Earth & Planetary Syst Sci, Higashihiroshima 7398526, Japan

[4] Kobe Univ, Grad Sch Sci, Kobe, Hyogo 6578501, Japan

[5] Japan Synchrotron Radiat Res Inst JASRI, Sayo Cho, Sayo, Hyogo 6795198, Japan

[6] Univ Southern Calif, Collaboratoty Adv Comp & Simulat, Dept Phys & Astron, Dept Comp Sci,Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USA

[7] Univ Southern Calif, Dept Biol Sci, Los Angeles, CA 90089 USA

来源：

SHOCK COMPRESSION OF CONDENSED MATTER - 2019 | 2020年 / 2272卷

关键词：

ALPHA-QUARTZ; COMPRESSION;

D O I：

10.1063/12.0000930

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fast deformations in the quartz crystals during shock compression process have been investigated with two time-resolved methods of in-situ diffractions by x-ray free electron laser (XFEL) and large-scale molecular dynamic (MD) simulations in order to get insights in planar deformation feature (PDF) mechanism. PDFs in quartz provide strong evidence for impact and are used to estimate the impact conditions. The present experimental results on X-cut and Y-cut quartz single crystals at pressures below phase transition indicate ideal uniaxial compression and rotation of fractured grains to a direction to heat up locally due to dispersed particle velocity distribution in the dynamic movement. This could explain the observed disordering at given planes, as supported by the MD simulations.

引用

页数：5

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