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孙欢迎,赵军,刘翊安,张泉,曹京霞,黄旭.一种新型低成本阻燃钛合金的微观组织与力学性能[J].稀有金属材料与工程(英文),2019,48(6):1892~1896.[SUN Huanying,ZHAO Jun,Liu Yian,ZHANG Quan,CAO Jingxia and HUANG Xu.Microstructure and Mechanical Properties of a New Type Burn Resistant Titanium Alloy with Lower Cost[J].Rare Metal Materials and Engineering,2019,48(6):1892~1896.]
Microstructure and Mechanical Properties of a New Type Burn Resistant Titanium Alloy with Lower Cost
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Received:November 28, 2018  Revised:December 23, 2018
DOI:
Key words: Burn Resistant Titanium Alloy  Low Cost  Microstructure  Mechanical Property
Foundation item:河北省高等学校科学技术研究重点项目(ZD2018239);北华航天工业学院科研基金重点项目(ZD-2016-03)资助
Author NameAffiliation
SUN Huanying,ZHAO Jun,Liu Yian,ZHANG Quan,CAO Jingxia and HUANG Xu  
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Abstract:
      The ingot with 120mm diameter of Ti-25V-15Cr-5Mo-0.25Si-0.08C alloy which is a new type burn resistant titanium alloy with lower cost was produced by vacuum arc remelting in this study. This ingot was forged into bars with 25mm diameter by sheathed extrusion. The microstructures of the ingot and extrusion bars of TF-X alloy were studied. The tensile, thermal stability and creep properties of extrusion bars of TF-X alloy were tested under different conditions. The results show that microstructures of TF-X alloy, which has better ductility in tensile test, were roughly the same as TF550 alloy. In addition, TF-X alloy has higher strength and worse thermal stability than TF550 alloy, and its creep property better than Ti40 alloy was equivalent to TF550 alloy.