CAO Heng, LIU Yinqi, LIU Xibo. Effects of HIP Process on Microstructure and Tensile Properties of New High-temperature Ti Alloy ZTi700SR[J]. Development and Application of Materials, 2023, 38(4): 89-91.
Citation: CAO Heng, LIU Yinqi, LIU Xibo. Effects of HIP Process on Microstructure and Tensile Properties of New High-temperature Ti Alloy ZTi700SR[J]. Development and Application of Materials, 2023, 38(4): 89-91.

Effects of HIP Process on Microstructure and Tensile Properties of New High-temperature Ti Alloy ZTi700SR

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  • Received Date: February 17, 2022
  • Available Online: September 12, 2023
  • The effect of hot isostatic pressure on the mechanical properties and microstructure of a new high-temperature Ti alloy, ZTi700SR, used in 700℃ environment, is investigated. The results indicate that the microstructure of the as-cast ZTi700SR is widmanstatten structure, which is lamellar α+intergranular β+grain boundary α. After HIP, the lamellar α grows wider. After HIP, the tensile strength decreases lightly, and the elongation increases. The dimple size of the tensile fracture of ZTi700SR after HIP decreases, and the material becomes denser.
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