Ti-Al合金定向凝固技术专利分析  

Patent Analysis of Directional Solidification Technology for Ti-Al Alloy

作　　者：鲍芳芳 丁贤飞 高威 宗骁 冯新 南海 张爱斌 Bao Fangfang;Ding Xianfei;Gao Wei;Zong Xiao;Feng Xin;Nan Hai;Zhang Aibin(Beijing Engineering Research Center of Advanced Titanium Alloy Precision Forming Technology,AECC Beijing Institute of Aeronautical Materials)

机构地区：[1]中国航发北京航空材料研究院,北京市先进钛合金精密成型工程技术研究中心,北京100095

出　　处：《特种铸造及有色合金》2022年第3期342-345,共4页Special Casting & Nonferrous Alloys

基　　金：国家自然科学基金资助项目(51671026)。

摘　　要：通过Ti-Al合金定向凝固技术专利的检索、提取和分析,了解Ti-Al合金定向凝固技术专利整体情况。从Ti-Al合金定向凝固的专利概况、重要创新主体、重要专利分析等角度揭示了Ti-Al合金定向凝固技术专利的整体态势。研究发现我国Ti-Al合金定向凝固技术专利数量占据优势;主要研究机构以高校和企业为主;研究热点主要围绕Ti-Al合金及其制备展开,涵盖合金成分、单晶制备、型壳制备等方面。The patents of directional solidification technology for titanium aluminum alloy were searched,extracted and analyzed to fully command the overall situation in the field.The trend of directional solidification technology for titanium aluminum alloy was revealed from the perspectives of patent overview,main innovation subjects and important patent analysis.The results indicate that the number of domestic patents of directional solidification technology for titanium aluminum alloy occupies a unique advantage.The majority of relevant research are mainly carried out in universities and enterprises.The hotspots focuse on titanium aluminum alloy and their preparation,covering alloy composition,single crystal preparation,mold shell preparation and other topics.

关 键 词：TI-AL合金 定向凝固 专利 

分 类 号：T249.5[一般工业技术] TG146.2[一般工业技术—材料科学与工程]