ISSN: 1002-0071    Imprint: Chinese Materials Research Society
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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
Effect of cold rolling process on microstructure and mechanical properties ofhigh strength β titanium alloy thin sheets
  
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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 NameAffiliation
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:
      
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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