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Strengthening in Al0.25CoCrFeNi high-entropy alloys by cold rolling

Hou, Jinxiong ; Zhang, Min ; Ma, Shengguo ; Liaw, Peter. K ; Zhang, Yong ; Qiao, Junwei

Materials Science & Engineering A, 07 November 2017, Vol.707, pp.593-601 [Tạp chí có phản biện]

ISSN: 0921-5093 ; E-ISSN: 1873-4936 ; DOI: 10.1016/j.msea.2017.09.089

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  • Nhan đề:
    Strengthening in Al0.25CoCrFeNi high-entropy alloys by cold rolling
  • Tác giả: Hou, Jinxiong ; Zhang, Min ; Ma, Shengguo ; Liaw, Peter. K ; Zhang, Yong ; Qiao, Junwei
  • Chủ đề: High-Entropy Alloy ; Cold Rolling ; Microstructure ; Texture Evolution ; Tensile Strength ; Engineering
  • Là 1 phần của: Materials Science & Engineering A, 07 November 2017, Vol.707, pp.593-601
  • Mô tả: The effects of cold rolling on the evolution of microstructure and the mechanical behavior of Al CoCrFeNi high-entropy alloys were investigated. Cold rolling resulted in extensive grain elongation, formation of deformation bands within the grains, and development of crystallographic textures that depended on the rolling reduction. The textures were investigated by electron backscattered diffraction after cold rolling. The present cold-rolled alloy indicates a strong brass-type texture. Cold rolling results in a substantial strengthening of the alloy; its ultimate tensile strength approaches 1479 MPa, which was 2.8 times of that in the as-cast condition, but at the expense of low ductility ( ~ 2.3%).
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0921-5093 ; E-ISSN: 1873-4936 ; DOI: 10.1016/j.msea.2017.09.089

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