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Results of optical microscopy, scanning electron microscopy, AFM are presented for tungsten coating produced by low and high cold gas dynamic spraying, respectively. The critical velocity of tungsten powder was calculated, what is more, tungsten particles collision was also simulated by soft ANSYS/LS-DYNA. Cold gas dynamic spray (CGDS) is a rapidly developing coating technology, in which spray particle are deposited through plastic impact on substrate at high velocities at low temperature. In these experiments, the process produced a reasonably dense tungsten coating and tungsten alloy coating. This paper reports the effect of deposition parameters which including temperature, spraying distance, particle size, etc. on the structures formed.
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Keywords:
- tungsten coating /
- W-Ni-Fe coating /
- cold spraying /
- deposition mechanism
[1] Barnes N P, Rodriguez W J, Walsh B M 1996 J. Opt. Soc. Am. B 13 2872
[2] Klinkovsv, Kosarev V F, Rein M 2005 Aerospace Science & Technology 9 582
[3] Hyun-Ki Kang, Suk Bong Kang 2003 Scripta. Materials 49 1169
[4] Vicek J, Huber H, Voggenreiter H 2001 Thermal Spray 21 417
[5] Gilmore D L 1999 Journal of Thermal Spray Technology 8 578
[6] Pu H Y, Lu C 2010 Materials Engineering 1 94 (in Chinese) [卜恒勇, 卢晨 2010 材料工程 1 94]
[7] Schmidt T, Gärtner F, Assadi H 2006 Acta Materialia 54 729
[8] Dykhuizen R C, Smith M F 1998 Journal of Thermal Spray Technology 7 205
[9] Zhang Q M, Liu Y, H F L 2006 Dynamical Behavior of Materials (Beijing, National Defense Industry Press) p134 (in Chinese) [张庆明, 刘彦, 黄风雷 2006 材料的动力学行为(北京: 国防工业出版社) 第134页]
[10] Shang X J, S J Y, Wang H F 2008 ANSYS/LS-DYNA Analysis Method& Engineering Examples, Second (Beijing: China’s Water Conservancy and Hydropower Press) p231 [尚晓江, 苏建宇, 王化锋 2008 ANSYS/LS-DYNA动力分析方法与工程实例, 第二版(北京: 中国水利水电出版社) 第231页]
[11] Lennon A M, Ramesh K T 2000 Materials Science and Engineering A 276 9
[12] Stoltenhoff T, Voyer J, Kreye H 2002 Thermal Spray 22 366
[13] Li W Y, Li C J, W Y Y, Yang G J 2005 Acta. Metallurgica Sinica 41 282 (in Chinese) [李文亚, 李长久, 王豫跃, 杨冠军 2005 金属学报 41 282]
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[1] Barnes N P, Rodriguez W J, Walsh B M 1996 J. Opt. Soc. Am. B 13 2872
[2] Klinkovsv, Kosarev V F, Rein M 2005 Aerospace Science & Technology 9 582
[3] Hyun-Ki Kang, Suk Bong Kang 2003 Scripta. Materials 49 1169
[4] Vicek J, Huber H, Voggenreiter H 2001 Thermal Spray 21 417
[5] Gilmore D L 1999 Journal of Thermal Spray Technology 8 578
[6] Pu H Y, Lu C 2010 Materials Engineering 1 94 (in Chinese) [卜恒勇, 卢晨 2010 材料工程 1 94]
[7] Schmidt T, Gärtner F, Assadi H 2006 Acta Materialia 54 729
[8] Dykhuizen R C, Smith M F 1998 Journal of Thermal Spray Technology 7 205
[9] Zhang Q M, Liu Y, H F L 2006 Dynamical Behavior of Materials (Beijing, National Defense Industry Press) p134 (in Chinese) [张庆明, 刘彦, 黄风雷 2006 材料的动力学行为(北京: 国防工业出版社) 第134页]
[10] Shang X J, S J Y, Wang H F 2008 ANSYS/LS-DYNA Analysis Method& Engineering Examples, Second (Beijing: China’s Water Conservancy and Hydropower Press) p231 [尚晓江, 苏建宇, 王化锋 2008 ANSYS/LS-DYNA动力分析方法与工程实例, 第二版(北京: 中国水利水电出版社) 第231页]
[11] Lennon A M, Ramesh K T 2000 Materials Science and Engineering A 276 9
[12] Stoltenhoff T, Voyer J, Kreye H 2002 Thermal Spray 22 366
[13] Li W Y, Li C J, W Y Y, Yang G J 2005 Acta. Metallurgica Sinica 41 282 (in Chinese) [李文亚, 李长久, 王豫跃, 杨冠军 2005 金属学报 41 282]
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