摘要
钛合金精密铸件具有高比强度、耐腐蚀和耐热等性能,同时兼具高尺寸精度、低生产成本的优势,已广泛应用于航空航天领域的关键结构件。为推动我国钛合金精密铸造技术的持续完善进步和钛合金精密铸件产品的进一步推广应用,本文综述了近年来钛合金精密铸造技术在航空航天领域的应用和发展,重点介绍了钛合金精密铸造工艺、耐高温铸造钛合金材料以及钛合金精密铸件产品研制进展。最后,总结了国内钛合金精密铸造技术,以及应用方面存在的重点问题,提出了建立材料数据库、降低生产成本和发展铸造模拟软件等未来发展方向。
Titanium alloy investment castings have the advantages of high specific strength,corrosion resistance and heat resistance,as well as the advantages of high dimensional accuracy and low production cost.They have been widely used in key structural parts in the aerospace field.In order to promote the continuous improvement of domestic titanium alloy investment casting technology and the further application of titanium alloy investment casting products,this paper reviewed the application and development of titanium alloy investment casting technology in the aerospace field in recent years.Meanwhile,the titanium alloy investment casting process,high-temperature casting titanium alloys and the development progress of titanium alloy investment casting products are highlighted.The review for investment casting process focused on the key procedures of wax mold making,shell making,casting and post treatments.The review for high-temperature casting titanium alloys highlighted TC4,high-temperature near-αtitanium alloys and intermetallic titanium aluminide alloys.The review for titanium alloy investment casting products mainly referred to structural parts of aerospace vehicle engines.Finally,the key issues existing in the domestic titanium alloy investment casting technology and application are summarized.Subsequently,the prospects of establishing a material database,reducing production costs,and developing casting simulation software are proposed.
作者
张鹏飞
张林嘉
周瑜
孙峰
王军
李金山
ZHANG Pengfei;ZHANG Linjia;ZHOU Yu;SUN Feng;WANG Jun;LI Jinshan(State Key Laboratory of Solidification Processing,Northwestern Polytechnical University,Xi’an 710072,China;AECC Guizhou Liyang Aero Engine Co.,Ltd.,Guiyang 550014,China;Military Representative Office of Guangzhou Bureau of Naval Equipment Department in Guiyang,Guiyang 550081,China;Chongqing Innovation Center,Northwestern Polytechnical University,Chongqing 401135,China)
出处
《航空制造技术》
北大核心
2025年第7期22-36,共15页
Aeronautical Manufacturing Technology
基金
国家重点研发计划(2021YFB3702600)。
