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by the evolution of antisite atoms and ternary additions in the centre part of L12 phase. Key words: nickel based superalloys; Ni75Al7.5V17.5 alloy; phase transformation; micro-phase field; grain... of alloying elements in L12 phase and growth of DO22 phase in Ni75Al7.5V17.5 was studied using microscopic phase field model. The results demonstrate that the growing process of DO22 phase can be divided......
化烧结中的特点,作用和影响的认识,仍存在较多问题和分歧.各场间交互作用显著.从多场耦合的角度研究场活化烧结过程,有助于更准确,全面掌握各种场的特点,作用和影响,深入揭示场活化烧结的特殊致密化过程和活化机理.通过外加磁场提高场活化烧结的均匀性,进一步赋予材料特殊性能,具有良好的研究开发前景. 关键词:场活化烧结; 电场; 应力场; 温度场; 磁场; 场耦合; field activated sintering technique; electric field; stress field; temperature field; magnetic field; field coupling; [全文内容正在添加中] ......
Temperature field simulation of gob influenced by atmospheric pressureWANG Gang(王刚)1,2, LUO Hai-zhu(罗海珠)2, LIANG Yun-tao(梁运涛)2, WANG Ji-ren(王继仁)1(1. College of Safety Science and Technology, Liaoning...)Abstract:The current temperature field model of mine gob does not take the boundary conditions of the atmospheric pressureinto account, while the actual atmospheric pressure is influenced by weather, so......
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Field Application of Automated Power Arc Spraying System on Steel Bridge Deck SUN Zhi1,PANG Xu-nan1,YI Chun-long1,SUO Shuang-fu2 (1.China University of Mining & Technology, Beijing 100084, China... for bridge engineers for many years. An automated power arc spraying system was first designed and field applied to coating the deck of Wuhan Junshan Yangtze River Bridge in high efficiency. This steel bridge......
Phase field modeling of dendrite growth Chengzhi WANG1,Yiyi LI2,Yutuo ZHANG1,Dianzhong LI2 (1.Shenyang Ligong University,Shenyang 110168,China;2.Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China) Abstract:Single dendrite and multi-dendrite growth for A1-2 mol pct Si alloy during isothermal solidification are simulated by phase field method. In the case of single......
Dyna-QUF: Dyna-Q based univector field navigation for autonomous mobile robots in unknown environmentsVIET Hoang-huu, CHOI Seung-yoon, CHUNG Tae-choong(Department of Computer Engineering, Kyung Hee... environments with dense obstacles based on a univector field method. In an obstacle-free environment, a robot is ensured to reach the goal position with the desired posture by following the univector field......
J. Cent. South Univ. Technol. (2011) 18: 196-207 DOI: 10.1007/s11771-011-0680-z Field analysis of metallogenic information and its application MAO Xian-cheng(毛先成)1, 2, HU Chao(胡超)1, ZHOU Shang... information based on field model, i.e. the field analysis method of metallogenic information, was proposed. In addition, a case study by using the method of the extraction of metallogenic information......
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