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. Numerical simulation of nosetip shape change during ablation arc welding[J]. Acta Aerodynamica Sinica, 2002, 20(1): 116-121. [14] 吕治国, 刘洪山, 张 雁, 等. 烧蚀端头锥模型激波风洞试验研究[J]. 流体力学实验与测量, 2003, 17(1): 6-14. L?...; 文章编号:1672-7207(2007)01-0014-05 Ablation performance and mechanism of 3D C/C composites YIN Jian, XIONG Xiang, ZHANG Hong-bo, HUANG Bai-yun (State Key Laboratory of Powder Metallurgy, Central......
Processing parameters for Cu nanopowders prepared by anodic arc plasma WEI Zhi-qiang(魏智强)1, 2, XIA Tian-dong(夏天东)2, MA Jun(马 军)1, FENG Wang-jun(冯旺军)1, DAI Jian-feng(戴剑锋)1, WANG Qing(王 青)1, YAN... by anodic arc discharging plasma method with home-made experimental apparatus. The effects of various processing parameters on the particle size of Cu nanopowders were investigated in the process......
Growth mechanism of Cu nanopowders prepared by anodic arc plasma WEI Zhi-qiang(魏智强)1, 2, XIA Tian-dong(夏天东)2, MA Jun (马 军)1, DAI Jian-feng(戴剑锋)1, FENG Wang-jun(冯旺军)1, WANG Qing (王 青)1, YAN Peng...; Abstract: Based on the thermodynamics and kinetics theory, a theoretical model was built to illuminate the formation of metal nanopowders by anodic arc......
J. Cent. South Univ. (2012) 19: 887-891 DOI: 10.1007/s11771-012-1088-0 Fabrication and plasma arc thermal shock resistance of HfB2-based ultra high temperature ceramics WENG Ling(翁凌)1, HAN Wen-bo(韩文波... and the thermal shock resistances were evaluated by plasma arc heater. The results indicate that the composite with AlN as sintering additive has a denser and finer microstructure than composite without......
direction, only tungsten skeleton is left, its mass ablation rate is larger. As burned material, the copper phase all volatilizes close to the electrode, the tungsten skeleton exposed under the high arc...组织；烧蚀性能；热旋锻 中图分类号:TG146.1 文献标志码:A Ablation properties of W-Cu wire prepared by hot swaging ZHANG Hui1, CHEN Wen-ge1, DING Bing-jun2 (1. School......
词:C/C-Cu复合材料；烧蚀；烧蚀机理 中图分类号:TB331 文献标识码:A Ablation properties and ablation mechanism of C/C-Cu composites RAN Li-ping, LI Wen-jun, YANG Lin, YI Mao-zhong (State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract:Novel carbon/carbon-copper (C/C-Cu) composites were fabricated by molten infiltration. The ablation......
Ablation mechanism of TaC coating fabricated by chemical vapor deposition on carbon-carbon composites LI Guo-dong(李国栋)1, 2 , XIONG Xiang(熊 翔)1 , HUANG Ke-long(黄可龙)2 1. State Key Laboratory...; Abstract: Ablation characteristics and mechanism at high temperature for TaC coatings on carbon-carbon composites were investigated by ablation experiments with low power laser and oxyacetylene flame......
Effect of activating flux on arc shape and arc voltage in tungsten inert gas welding LI Qing-ming(李清明), WANG Xin-hong(王新洪), ZOU Zeng-da(邹增大), WU Jun(吴 军) School of Materials Science...; Abstract: The effects of activating fluxes on welding arc were investigated. A special set of water-cooling system......
:钼合金；抗氧化；氧化机理；烧蚀行为 中图分类号:TG146.4 文献标志码:A Oxidation resistance and ablation behavior of refractory alloy at high temperature CHENG Hui-chao, FAN Jing-lian, LI Peng-fei.... The oxidation behavior and ablation behavior in oxyacetylene of pure molybdenum and MT alloys at 1200℃ were studied. The results indicate that the oxidation of pure molybdenum arises from defects......
Physics characteristic of coupling arc of twin-tungsten TIG welding ZHANG Guang-jun(张广军), LENG Xue-song(冷雪松), WU Lin(吴 林) State Key Laboratory of Advanced Welding Production Technology, Harbin... to master this process, the arc physics characteristic was studied. The twin-tungsten coupling arc shape was observed by using CCD camera, and the arc pressure was measured. The results show......
