TZM合金力学性能调控的研究进展  

Research progress on mechanical properties control of TZM alloy

作　　者：田高龙 徐流杰[1,2] 李洲[1] 张连杰 TIAN Gao-long;XU Liu-jie;LI Zhou;ZHANG Lian-jie(School of Materials Science and Engineering,Henan University of Science and Technology,Luoyang 471003,China;National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials,Henan University of Science and Technology,Luoyang 471003,China)

机构地区：[1]河南科技大学材料科学与工程学院,河南洛阳471003 [2]河南科技大学金属材料磨损控制与成型技术国家地方联合工程研究中心,河南洛阳471003

出　　处：《材料热处理学报》2023年第9期15-32,共18页Transactions of Materials and Heat Treatment

基　　金：国家自然科学基金(U1804124);国家重点研发计划(2020YFB2008400)。

摘　　要：TZM合金具有熔点高、强度大、线膨胀系数小、耐蚀性强以及高温力学性能良好等特点,是应用最为广泛的钼合金之一,在许多领域具有不可替代的作用。本文从TZM合金的研究现状出发,在钼合金热加工成型与强化理论基础上,综述了TZM合金的制备方法、力学性能的调控方法、显微组织的调控以及研究的最新进展。介绍了调控策略,如改变掺杂和烧结工艺,合金元素和第二相调控。此外,还讨论了这些界面与TZM合金性能之间的关系。最后,结合强韧化机理对TZM合金的未来研究方向与开发进行了展望。TZM alloy has the characteristics of high melting point,high strength,low linear expansion coefficient,good corrosion resistance,and good high-temperature mechanical properties.It is one of the most widely used molybdenum alloys and plays an irreplaceable role in many fields.Based on the research status of TZM alloy and on the basis of molybdenum alloy hot working forming and strengthening theory,the preparation methods,mechanical properties control methods,microstructure control methods and the latest research progress of TZM alloy are reviewed in this paper.The control strategies,such as changing doping and sintering processes,and alloy elements and second phases control,are introduced.In addition,the relationship between these interfaces and the properties of TZM alloy is also discussed.Finally,the future research direction and development of TZM alloy are prospected based on the strengthening and toughening mechanism.

关 键 词：TZM合金 显微组织 力学性能 调控方法 

分 类 号：TG146.4[一般工业技术—材料科学与工程]