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J. Cent. South Univ. Technol. (2008) 15(s1): 197-201 DOI: 10.1007/s11771-008-345-8 Fabrication of micro carbon pillar by laser-induced chemical vapor deposition ZHOU Jian(周 健)1, LUO Yin-she(罗迎社... power from 0.5 W to 4.5 W and the pressure of the precursor gas from 225×133.3 Pa to 680×133.3 Pa, the experiments of laser induced chemical vapor deposition were proceeded for fabrication of micro......
Pulsed Nd:YAG laser cladding of high silicon content coating on low silicon steelDanyang Dong, Changsheng Liu, Bin Zhang, and Jun Miao Key Laboratory of the Ministry of Education of China for Anisotropy and Texture of Materials, Northeastern University, Shenyang 110004, China摘 要:A pulsed Nd:YAG (yttrium aluminum garnet) laser-based technique......
Characterization of Fe3Si-based coatings on low silicon steel by pulsed Nd:YAG laser claddingDan-yang Dong1,2),Chang-sheng Liu1),Sui-yuan Chen1),Bin Zhang1) 1) Key Laboratory for Anisotropy..." name="ChDivSummary">The Fe3Si based coating was produced on the Fe-1Si steel surface by a pulsed Nd:YAG (yttrium aluminum garnet) laser. Its phase constitution and microstructure were characterized......
Development of Electrospray Laser Chemical Vapour Deposition for Homogenous Alumina CoatingsTeiichi KIMURAJapan Fine Ceramics CenterState Key Laboratory of Advanced Technology for Materials Synthesis... deposition method,we prepared homogenous alumina coatings.We found that laser irradiation was effective in compensating the surface temperature decrease,and an alpha-alumina coating with dense columnar......
Effect of laser power and deposition environment on the microstructure and properties of direct laser metal-deposited 12CrNi2 steelChangtai Chi22. Institute of Metal Research, Chinese Academy of Sciences摘 要:Direct laser metal deposition was used for preparing blocks of steel 12CrNi2 using four different laser powers under two different deposition......
Microstructural analyses of aluminum–magnesium–silicon alloys welded by pulsed Nd: YAG laser weldingHossain Ebrahimzadeh,Hassan Farhangi,Seyed Ali Asghar Akbari Mousavi,Arman GhahramaniSchool... on the microstructure and hot crack creation in the pulsed laser welding of AA 6061 was investigated by an optical microscope and field emission electron microscopy. Etching was carried out in the gas phase using......
Numerical simulation of thermal-mechanical process of Al-Si-Pb alloy treated by high current pulsed electron beam L? Xiao-xia(吕晓霞), LI Rong-guang(李荣广), AN Jian(安 健) Key Laboratory... and improvement of hardness and wear resistance. Key words: Al-Si-Pb alloy; high current pulsed electron beam; numerical simulation; crater; quasistatic stress 1 Introduction The liquid immiscible......
: A rectangular plate of Ti-6.5Al-3.5Mo-1.5Zr-0.3Si titanium alloy was fabricated by laser melting deposition (LMD) technology. Macrostructure and microstructure were characterized by optical...; tensile properties; laser melting deposition 1 Introduction Laser melting deposition (LMD) manufacturing technology, a newly developed fabrication technology that combines the prototyping and laser......
treatment, chemical vapor deposition, and metallic cementation)[1-2]. Surface heat treatment with laser beam uses the characteristics of self-quenching that cools rapidly into materials without... Laser surface hardening of AISI H13 tool steel Jae-Ho LEE, Jeong-Hwan JANG, Byeong-Don JOO, Young-Myung SON, Young-Hoon MOON School of Mechanical Engineering, Pusan National University, Busan......
-y axis CNC gantry table. Cladding tracks were formed by moving the specimen relative to the beam in the x-direction. During deposition, the substrate displacement speed under the laser beam was 500... Laser engineered net shaping of Co-based superalloys XUE Chun-fang(薛春芳)1, DAI Yao(戴 耀)1, TIAN Xin-li(田欣利)2 1. Department of Mechanical Engineering, Academy of Armored Force Engineering, Beijing......