High-efficiency forming processes for complex thin-walled titanium alloys components: state-of-the-art and perspectives

查看全文 作　　者：Kehuan [1,2]Wang;Liliang [3]Wang;Kailun [4]Zheng;Zhubin [4]He;Denis J [5]Politis;Gang [1,2]Liu;Shijian [1,2]Yuan

机构地区：[1]National Key Laboratory for Precision Hot Processing of Metals,Harbin Institute of Technology,Harbin 150001,People's Republic of China;[2]Institute of High Pressure Fluid Forming,Harbin Institute of Technology,Harbin 150001,People's Republic of China;[3]Department of Mechanical Engineering,Imperial College London,London SW72AZ,United Kingdom;[4]School of Mechanical Engineering,Dalian University of Technology,Dalian 116023,People's Republic of China;[5]Department of Mechanical and Manufacturing Engineering,University of Cyprus,Nicosia 1678,Cyprus

出　　处：《International Journal of Extreme Manufacturing》索引2020年第2卷第3期,共24页

基　　金：This work was financially supported by the Program of National Natural Science Foundation of China(Nos.U1937204 and 51905124);China Postdoctoral Science Foundation(2019M661278). 摘　　要：Complex thin-walled titanium alloy components play a key role in the aircraft,aerospace and marine industries,offering the advantages of reduced weight and increased thermal resistance.The geometrical complexity,dimensional accuracy and in-service properties are essential to fulfill the high-performance standards required in new transportation systems,which brings new challenges to titanium alloy forming technologies.Traditional forming processes,such as superplastic forming or hot pressing,cannot meet all demands of modern applications due to their limited properties,low productivity and high cost.This has encouraged industry and research groups to develop novel high-efficiency forming processes.Hot gas pressure forming and hot stamping-quenching technologies have been developed for the manufacture of tubular and panel components,and are believed to be the cut-edge processes guaranteeing dimensional accuracy,microstructure and mechanical properties.This article intends to provide a critical review of high-efficiency titanium alloy forming processes,concentrating on latest investigations of controlling dimensional accuracy,microstructure and properties.The advantages and limitations of individual forming process are comprehensively analyzed,through which,future research trends of high-efficiency forming are identified including trends in process integration,processing window design,full cycle and multi-objective optimization.This review aims to provide a guide for researchers and process designers on the manufacture of thin-walled titanium alloy components whilst achieving high dimensional accuracy and satisfying performance properties with high efficiency and low cost. 关键词：titanium alloys complex thin-walled components high efficiency hot gas pressure forming hot stamping-quenching

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High-efficiency forming processes for complex thin-walled titanium alloys components: state-of-the-art and perspectives

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