共搜索到20974条信息,每页显示10条信息,共2098页。用时:0小时0分0秒656毫秒
for metastable phase formation. The hypercooling of alloy melts can be calculated by equation as where ΔH is alloy fusion enthalpy. cp is heat capacity of liquid. The hypercooling of Fe-B eutectic... explanation, it can be understood that primary phase forms dendritic framework and another phase nucleates in interdendritic liquid. Especially under hypercooling condition, the hypercooling supplies......
; 文献标志码:A Microstructure and properties of transient liquid-phase diffusion bonded joint of AZ31B/Cu dissimilar metal DU Shuang-ming, LIU Gang, WANG Ming-jing (College of Materials Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China) Abstract: Magnesium alloy AZ31B and Cu dissimilar metals were bonded by the transient liquid-phase......
Engineering, Chinese Academy of Sciences, Beijing 100190, China) Abstract: The solid phase method and liquid phase method for aluminum removal in the chromium compound production were reviewed... of SiO2 and Al2O3 in order to form aluminum containing compound. The liquid phase methods is relative to the alkali concentration. For decomposition of aluminates in low alkali solution, carbonate process......
J. Cent. South Univ. (2020) 27: 1846-1860 DOI: https://doi.org/10.1007/s11771-020-4412-0 Fracture evolution in coalbed methane reservoirs subjected to liquid nitrogen thermal shocking YAN Hong(严红... and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: Thermal shocking effect occurs when the coalbed methane (CBM) reservoirs meet liquid nitrogen (LN2) of extremely low temperature......
for the development of new type differential pressure densimeter. Key words: CFD-DPM; cement grout; flow characteristic; water-cement ratio; solid liquid two phase flow 对于固液两相流的模拟和计算,传统方法有2种:一是将液相和固体颗粒相视为一种混合物,采用伪单相流体... Yulin, GE Liang, CHEN Naixiang. Large eddy simulation of silt-liquid two-phase flow through a centrifugal pump impeller[J]. Journal of Tsinghua University (Natural Science), 2001, 41(10): 90-96. [5] 李良超......
Trans. Nonferrous Met. Soc. China 22(2012) 1081-1085 Evaluation of ultra-fine grained tungsten under transient high heat flux by high-intensity pulsed ion beam TAN Jun1, ZHOU Zhang-jian1, ZHU... plasma sintering process. In order to evaluate the properties of the tungsten alloys under transient high heat flues, four tungsten samples with different grain sizes were tested by high-intensity......
......
Phase structure of ZK60-1Er magnesium alloy compressed at 450 ?C WANG Zhong-jun(王忠军)1, YANG Qing-xiang(杨庆祥)2, QIAO Jun(乔 军)1 1. School of Materials Science and Metallurgy, University... 2010 Abstract: The phase structure of ZK60-1Er magnesium alloy thermally compressed at the temperature of 450 ?C and the strain rate of 1×10-4 s-1 was determined by transmission electron microscopy......
-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: Gas–liquid two-phase flow abounds in industrial processes and facilities. Identification of its flow pattern plays an essential role...% by the experimental data. It provides an effective and simple solution to the gas–liquid flow pattern identification problems. Key words: gas–liquid two-phase flow; wake oscillation; flow pattern map......
......