| Yan Ma,Zhaoxin Du,Xiaoming Cui,Jun Cheng,Guolong Liu,Tianhao Gong,Huimin Liu,Xiaopeng Wang,Yuyong Chen.[J].自然科学进展英文版,2018,28(6):711-717 |
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| Effect of cold rolling process on microstructure and mechanical properties ofhigh strength β titanium alloy thin sheets |
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| DOI： |
| 中文关键词: |
| 英文关键词:Cold rolling process
High strength β titanium alloy
Microstructure
Mechanical properties |
| 基金项目: |
| Author Name | Affiliation | | Yan Ma | School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China | | Zhaoxin Du | School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China | | Xiaoming Cui | School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China | | Jun Cheng | Northwest Institute for Nonferrous Metal Research, Xi’an 710016, China | | Guolong Liu | School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China | | Tianhao Gong | School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China | | Huimin Liu | School of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China | | Xiaopeng Wang | National Key Laboratory for Precision Hot Forming of Metals, Harbin Institute of Technology, Harbin 150001, China | | Yuyong Chen | National Key Laboratory for Precision Hot Forming of Metals, Harbin Institute of Technology, Harbin 150001, China |
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| 中文摘要: |
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| 英文摘要: |
| The microstructure and mechanical properties of Ti-3.5Al-5Mo-6V-3Cr-2Sn-0.5Fe high strength titanium alloy
sheets prepared by unidirectional cold rolling and two-step cross cold rolling were investigated. Results showed
that the β phase grains were refined significantly by cold rolling followed by solution treatment for a short time.
Compared to unidirectional cold rolling, the short time solution treatment after two-step cross rolling could
significantly reduce the non-uniformity of the microstructure of the alloy sheets. After aging treatment at 550 °C,
the anisotropy of the mechanical properties still existed in the unidirectional rolled sheets, and the tensile
strength was highest along the rolling direction. After solution and aging treatment, the anisotropy of the mechanical
properties of the two-step cross rolling process sheet was not obvious than unidirectional cold rolling,
and alloy had good strength and plasticity matching. |
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