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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......
J. Cent. South Univ. (2012) 19: 402-407 DOI: 10.1007/s11771-012-1018-1 Estimation of deformed laser heat sources and thermal analysis on laser assisted turning of square member KIM Jae-hyun, KIM...-Verlag Berlin Heidelberg 2012 Abstract: Laser assisted machining (LAM) has difficulties in estimating temperature after applying a LAM process due to its very small heat input area, large energy......
Laser Heat Treatment on Gear Surface and Its Practical Application DAI Zhong-sen1,SU Bao-rong1,MA Chun-yin1 (1.Guangzhou Photone Technology Co. LTD, P. R. China) 摘要:Making gears with hardened..., by study, experiment and practical use, that not only has the laser heat treatment solved the difficult problems in conventional technique, but also it has great superiority. The use cases proved......
Simulation and prediction in laser bending of silicon sheet WANG Xu-yue, XU Wei-xing, XU Wen-ji, HU Ya-feng, LIANG Yan-de, WANG Lian-ji Key Laboratory for Precision and Non-traditional Machining Technology of the Ministry of Education, Dalian University of Technology, Dalian 116024, China Received 21 April 2010; accepted 10 September 2010 Abstract: The laser bending of single-crystal......
Laser beam welding of TA2 titanium sheetCHEN Yan-bin(陈彦宾), LI Li-qun(李俐群), ZHOU Shan-bao(周善宝), LEI Zheng-long(雷正龙)(National Key Laboratory of Advanced Welding Production and Technology,Harbin..., grains of the heated zone take on strong growing tendency. These features bring about some problems to the application of titanium and its alloys. The pulse wave laser beam was used for welding TA2......
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Growth and spectral characteristics of a new promising stoichiometric laser crystal: Ca9Yb(VO4)7吴辉1,2,苑菲菲1,2,孙士家1,黄溢声1,张莉珍1,林州斌1,王国富11. Key Laboratory of Optoelectronic Materials Chemistry...-sections at 1025 nm were 3.57×10–20 cm–2 and 1.91×10–20 cm–2 for π- and σ- polarization, respectively. The fluorescence lifetime was 332 μs. The results indicated that the crystal is a promising femtosecond......
Growth and spectral characteristics of a new promising stoichiometric laser crystal: Ca9Yb(VO4)7吴辉1,2,苑菲菲1,2,孙士家1,黄溢声1,张莉珍1,林州斌1,王国富11. Key Laboratory of Optoelectronic Materials Chemistry...-sections at 1025 nm were 3.57×10–20 cm–2 and 1.91×10–20 cm–2 for π- and σ- polarization, respectively. The fluorescence lifetime was 332 μs. The results indicated that the crystal is a promising femtosecond......
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INVESTIGATION OF LASER BEAM WELDING PROCESS OF AZ61 MAGNESIUM-BASED ALLOY Z.J. Li1,H.Y. Wang1 (1.Industrial Center, Shenzhen Polytechnic, Shenzhen 518055, China) Abstract:Laser welding process of AZ61 magnesium alloys is investigated using a special CO2 laser experimental system. The effect of processing parameters including laser power, welding speed,and protection gas flow at the top......
