Phase transformation and equation of state in Ti–45Al alloy under high pressure

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成果类型：

期刊论文

作者：

Li, Xi;Zhu, Ruixiang;Xin, Jinghua;Luo, Minsi;Shang, Shun -Li;...

通讯作者：

Xin, JH;Liss, KD

作者机构：

[Yin, Chongshan; Li, Xi; Zhang, Wei -Bing; Luo, Minsi; Zhu, Ruixiang] Changsha Univ Sci & Technol, Hunan Prov Key Lab Flexible Elect Mat Genome Engn, Changsha 410004, Peoples R China.

[Xin, Jinghua; Xin, JH] MOT, Tianjin Res Inst Water Transport Engn, Safety Energy Conservat & Emergency Technol Res Ct, Tianjin 300000, Peoples R China.

[Shang, Shun -Li; Liu, Zi-Kui] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA.

[Funakoshi, Ken-Ichi] Comprehens Res Org Sci & Soc, Neutron Sci & Technol Ctr, Tokai, Ibaraki 3191106, Japan.

[Reid, Mark; Liss, Klaus -Dieter; Liss, KD; Dippenaar, Rian Johannes] Univ Wollongong, Sch Mech Mat Mechatron & Biomed Engn, Northfields Ave, Wollongong, NSW 2522, Australia.

通讯机构：

[Liss, KD ] U

[Xin, JH ] M

MOT, Tianjin Res Inst Water Transport Engn, Safety Energy Conservat & Emergency Technol Res Ct, Tianjin 300000, Peoples R China.

Univ Wollongong, Sch Mech Mat Mechatron & Biomed Engn, Northfields Ave, Wollongong, NSW 2522, Australia.

语种：

英文

关键词：

Equation of state;Ti-Al alloys;High-pressure;Synchrotron radiation

期刊：

CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY

ISSN：

0364-5916

年：

2024

卷：

页码：

102641

DOI：

10.1016/j.calphad.2023.102641

基金类别：

National Natural Science Foundation of China [52001029]; Natural Science Foundation of Hunan Province [2023JJ40037]; Tianjin Research Institute for Water Transport Engineering. M.O.T [TKS20220308]

机构署名：

本校为第一机构

摘要：

The phase transformations and pressure -volume dependencies of the Ti-45Al alloy with respect to pressure have been investigated by means of in -situ observation using multi anvil -type high-pressure devices and synchrotron radiation. Under hydrostatic compression from 0 to 10.1 GPa, about 2.3 vol % of gamma transforms continuously to alpha 2. Lattice parameters as well as volume fractions of these two phases have been determined as functions of pressure. Bulk moduli estimated using Birch-Murnaghan's equation of state are 146.2 GPa for the gamma phase, 136.7 GPa for the alpha 2 phase, and 145....

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Phase transformation and equation of state in Ti–45Al alloy under high pressure

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