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Laser Shock Processing of Metal Sheet and Welded Joints ZOU Shi-kun1,LIU Fang-jun1,ZHANG Xiao-bin1,TAN Yong-sheng1 (1.Beijing Aeronautical Manufacturing Technology Research Institute, China) 摘要:In order to study the application of laser shock processing(LSP) as a post weld treatment technology and a strengthening technology, a series experiments and analysis were taken in this paper......
Influence of laser energy input mode on joint interface characteristics in laser brazing with Cu-base filler metal LI Li-qun(李俐群), FENG Xiao-song(封小松), CHEN Yan-bin(陈彦宾) State Key Laboratory... brazed with CuSi3 as filler metal at different laser heating modes. The microstructures and element distributions of joint interface were investigated by SEM and EDS. The results show......
Development on Laser Cladding Ceramic Coating Li Xikun1,Yu Honghao1,Zhao Haitao1,Qiu Guanming3,Qian Jiuhong4,Qiu Tai2 (1.Shenyang University of Science and Technology, Shenyang 110168, China...) Abstract:The latest progress and research status of laser cladding ceramic coating was summarized. Technique characteristics and influence factors of laser cladding technique were introduced. Laser......
Study on Cracking Tendency and Mechanism of Gray Cast Iron Laser Cladding YANG Hui1,HUANG Qi1,YE Hong1,YAN Zhong-lin2 (1.School of Materials Science and Engineering, Chongqing Institute of Technology, Chongqing, China;2.Engineering Training Center, Chongqing Institute of Technology, Chongqing, China) 摘要:In this paper, NiCrSiB and CoWC35 powder has been used in laser cladding of gray cast iron......
Prediction of preheating conditions for inclined laser assisted machiningKIM Kwang-sun, LEE Choon-man(School of Mechatronics, Changwon National University, Changwon 641-773, Korea)Abstract:For laser assisted machining, shape of preheating laser heat source is changed irregularly because of complexity of material shape. So, the preheating temperature should be controlled by adjusting the feed rate......
FEM SIMULATION OF RESIDUAL STRESSES INDUCED BY LASER SHOCK WITH OVERLAPPING LASER SPOTS Z.Q. Yao1,Y.X. Hu1 (1.State Key Laboratory of Mechanical System and Vibration, Shanghai Jiaotong University, Shanghai 200240,China) Abstract:The finite element method is presented to attain the numerical simulation of the residual stresses field in the material treated by laser shock processing......
J. Cent. South Univ. Technol. (2008) 15: 285-288 DOI: 10.1007/s11771-008-0053-4 3D cavity detection technique and its application based on cavity auto scanning laser system LIU Xi-ling(刘希灵)1... for safe exploitation was pointed out; and the 3D cavity laser detection method and its principle were introduced. A cavity auto scanning laser system was recommended to actualize the cavity 3D detection......
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Structure and erosion resistance of Ni60A/SiC coatting by laser cladding LOU Bai-yang(楼白杨), CHEN Zhen(陈 阵), BAI Wan-jin(白万金), DONG Gang(董 刚) MOE Key Laboratory of ...; Abstract: The Ni60A and Ni60A/SiC coatings were obtained by laser cladding on 0.45% C steel......
Microstructure Evolution and Cracking Control of 316L Stainless Steel Manufactured by Multi-layer Laser Cladding HU De-jin1,SUN Kang-kai1,DENG Qi-lin1,SONG Jian-li1,ZHOU Guang-cai1 (1.School of Mechanical and Power Engineering, Shanghai Jiaotong University, Shanghai, China;2.School of Material Science and Engineering, Taiyuan Heavy Machinery Institute, Taiyuan, China) 摘要:Multi-layer laser......
