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Laser rapid forming of low cost hydride-dehydride titanium alloy powder CHEN Jing(陈 静), ZHANG Feng-ying (张凤英), LIN Xin(林 鑫), TAN Hua(谭 华), HUANG Wei-dong(黄卫东) State Key Laboratory... technologies in order to shorten delivery time and reduce manufacture cost of products remarkably. The technology of laser rapid forming (LRF) has been emerged and developed rapidly. Now LRF has......
Laser forming thin aluminum sheetsLI Li-qun(李俐群), CHEN Yan-bin(陈彦宾), LIN Shang-yang(林尚扬)(State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 15001, China)Abstract:Laser forming is a flexible forming process that forms sheet metal by means of laser-induced stresses instead of by means of external force. With the rapid development of laser......
Experimental Research on Laser Clad Forming and Its Micro-Crackles Controlling Sun K1,ZHOU K G C1,SONG J L1,DENG Q L1 (1.Shanghai Jiaotong University, Shanghai 200030, P. R. China) 摘要:Laser clad forming (LCF)is a new kind of rapid manufacturing technology. It can directly manufacture compacted metal components and has many advantages. Some experimentalresearches have been carried out......
solid forming uses a focused laser heat source [4-6] to fabricate component layer-by-layer with rapid cooling and solidification. It can achieve near-net-shape components with excellent performance... Science and Engineering A, 2017, 695: 6-13. DOI: 10.1016/j.msea.2017.03.098. [14] YANG J, HUANG W D, CHEN J, LIN X. Residual stress on the laser rapid forming metal part [J]. Applied Laser, 2004, 24(1......
were prepared using laser rapid forming (LRF) with Ti-6Al-4V alloy as powder material, and the samples were annealed. The microstructure and high temperature mechanical properties of laser formed... initial value of 490 MPa to the final stress of 800 MPa gradually. Key words: laser rapid forming; Ti-6Al-4V; microstructure; mechanical properties; stress-rupture lifetime 1 Introduction ......
延长了生产周期.激光快速成形(Laser rapid forming,以下简称LRF)方法,由于其近净成形,制备形状复杂零部件能力,快速制备方面的优势[6],且制备出的材料性能可比于甚至优于传统制备方法生产的材料[7-10],成为了制备形状复杂零部件及稀贵材料的替代方法. 在LRF过程中,由于材料粉末沿垂直于激光扫描方向逐层沉积,组织均匀性及取向有别于传统方法制备的材料,因此,LRF制备材料不同取...): 12-27. [8] 王华明. 金属材料激光表面改性与高性能金属零件激光快速成形技术研究进展[J]. 航空学报, 2002, 23(5): 473-478. WANG Hua-ming. Research progress on laser surface modifications of metallic materials and laser rapid forming of high......
; 文献标志码:A New development of laser rapid forming and its application in high performance materials processing SU Hai-jun..., China) Abstract: The development history of laser rapid forming (LRF) was reviewed, and the theory, technical characteristics and recent development of several representative LRF techniques including......
Rapid Prototyping of Ceramica via Temperature Induced Forming Wolfgang Sigmund1,Fritz Aldinger1,Liwu Wang1 (1.Max-Planck-Institut fur Metallforschung and INAM, University of Stuttgart, Germany Rolf... in tool and mold fabrication. By combining rapid tooling and temperature induced forming (TIF) a novel near-net shape process for the rapid production of complex-shaped prototypes of advanced ceramics......
FEM SIMULATION FOR LASER FORMING PROCESSING Y.B.Chen1,S.Y.Lin2,X.Y.Wang2,L.Q.Li1 (1.State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China;2.Harbin Research Institute of Welding, Harbin 150001, China) Abstract:Laser forming involves heating sheet metal workpiece along a certain path with a defocused laser beam directed irradiate......
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