Mechanical Properties of Pure Titanium Processed by Cryogenic Rolling and Annealing

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  • Zhang Zheng
    Faculty of Materials Science and Engineering, Kunming University of Science and Technology
  • Pan Hongjiang
    Faculty of Materials Science and Engineering, Kunming University of Science and Technology
  • Meng Lifang
    Faculty of Materials Science and Engineering, Kunming University of Science and Technology
  • Zhang Jinxu
    Faculty of Materials Science and Engineering, Kunming University of Science and Technology
  • Yang Xu
    Faculty of Materials Science and Engineering, Kunming University of Science and Technology
  • Gao Hongliang
    Faculty of Materials Science and Engineering, Kunming University of Science and Technology
  • Gong Yulan
    Faculty of Materials Science and Engineering, Kunming University of Science and Technology
  • Shu Baipo
    Faculty of Materials Science and Engineering, Kunming University of Science and Technology
  • Zhu Xinkun
    Faculty of Materials Science and Engineering, Kunming University of Science and Technology

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説明

<p>In order to improve the mechanical properties of pure titanium, a series of pure titanium was processed by cryogenic rolling (CR) and annealing. The annealing was carried out in the temperature range of 420°C to 530°C, and the annealing time was 5 min to 15 min, respectively. It showed that CR at the liquid nitrogen temperature could significantly enhance the strength, but the ductility simultaneously decreased. Subsequent annealing could recover some of the ductility while the strength lowered. Compared with other samples, the sample annealed at 450°C for 10 min had the best combination of strength and ductility because of the bimodal distribution of grain sizes.</p>

収録刊行物

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 60 (4), 513-518, 2019-04-01

    公益社団法人 日本金属学会

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