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首页> 外文期刊>Materials Science and Engineering >On preparation of bimodal Ti-5Al-5V-5Mo-3Cr-0.4Si (Ti-5553s)alloy: α+β forging and heat treatment
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On preparation of bimodal Ti-5Al-5V-5Mo-3Cr-0.4Si (Ti-5553s)alloy: α+β forging and heat treatment

机译：关于双峰Ti-5Al-5V-5Mo-3Cr-0.4Si（Ti-5553s）合金的制备：α+β锻造和热处理

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摘要

The role of the forging temperature, forging strain and solution temperature on the preparation of bimodal Ti-5553s alloy has been studied in this paper. The initial full lamellar Ti-5553s alloy could be forged within a wide temperature scope of 600-800 ℃ by a high compression strain (0.88), demonstrating the excellent thermal processing ability in the α+β field. The sub-transus forging is essential to the preparation of the bimodal alloy, and the recommended forging temperature and the critical forging strain for the lamellar Ti-5553 alloy are 780 ℃ and 0.3, respectively. To prevent the coarsening of the p grain, the recommended solution temperature for bimodal alloy lies in 790-820 ℃. The decrease in the forging temperature or the increase in the solution temperature may lead to the increase in the Vickers hardness of the bimodal alloy. The relationship between the forging factors, the microstructure and the mechanical performance of Ti-5553s alloy has been developed, and these laboratory results provide a guideline for the preparation of the large-scale Ti-5553s alloy component with the homogeneous bimodal microstructure.
机译：研究了锻造温度，锻造应变和固溶温度对双峰Ti-5553s合金制备的影响。最初的全层状Ti-5553s合金可以在600-800℃的宽温度范围内通过高压缩应变（0.88）进行锻造，证明了其在α+β领域的出色热处理能力。次生锻造是制备双峰合金必不可少的，层状Ti-5553合金的推荐锻造温度和临界锻造应变分别为780℃和0.3。为防止p晶粒粗大化，双峰合金的建议固溶温度为790-820℃。锻造温度的降低或固溶温度的升高可能导致双峰合金的维氏硬度提高。研究了Ti-5553s合金的锻造因子，显微组织与力学性能之间的关系，这些实验室结果为制备具有均质双峰组织的大规模Ti-5553s合金部件​​提供了指导。

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  • 来源
    《Materials Science and Engineering》 |2014年第15期|42-52|共11页
  • 作者

    Dongyang Qin; Yafeng Lu; Dizi Guo; Li Zheng; Qian Liu; Lian Zhou;

  • 作者单位

    State Key Laboratory for Mechanical Behavior of Materials, Xian Jiaotong University, Xi'an 710049, China Northwest Institute for Nonferrous Metal Research,P.O. Box 51, Xi' an, Shaanxi 710016, China;

    Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China;

    Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China;

    Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China;

    The State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences,Shanghai 200050, China;

    Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China;

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  • 正文语种 eng
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  • 关键词

    Titanium alloys; Forging; Microstructure; Mechanical properties;

    机译：钛合金;锻造;微观结构机械性能;

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