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Deng Yongrui, Qiu Dongyao, Qin Zehua. Interfacial Phase in Ti-5Al-2Mo-3Zr Alloy[J]. Chinese Journal of Engineering, 1989, 11(6): 568-574. DOI: 10.13374/j.issn1001-053x.1989.06.029
Citation: Deng Yongrui, Qiu Dongyao, Qin Zehua. Interfacial Phase in Ti-5Al-2Mo-3Zr Alloy[J]. Chinese Journal of Engineering, 1989, 11(6): 568-574. DOI: 10.13374/j.issn1001-053x.1989.06.029

Interfacial Phase in Ti-5Al-2Mo-3Zr Alloy

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  • Received Date: August 10, 1989
  • Available Online: November 14, 2021
  • Under appropriate cooling condition, intcrfacial phase appeared between α and β phases in Ti-5Al-2M0-3Zr alloy. Its thickness could reach 100 nm. The interfacial phase was either single layer structure or double layer structure. The monolithic layer adjacent to 3 phase was indentified as fee structure with relationship (110)β// (001)m, [111]β /[110]m. The striated layer adjacent to a phase was indentified as hep with twin relationship {10ˉ11}<1ˉ012> to α. Thus, the study provided a new experimental fact for the controversial topic on structure of striated layer. Chemical composition of interfacial phase varied slightly with heat treatments, but always between that of α and β phases.

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