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. The microstructure analysis of joint reveals that the microstructures of the various regions are very different, and the microstructure distribution is layered and wide on the mechanical heat-affected zone. When the process parameters are not appropriate, the oxide and impurity congregate between the layered microstructures. The existence of the impure stratum structure and stress concentration......
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Natural frequency characteristics of thin-walled homogeneous and manifold layered cylindrical shells under pressure using energy methodM. R. Isvandzibaei, Hishamuddin Jamaluddin, Raja Ishak Raja...-walled homogeneous isotropic and manifold layered isotropic cylindrical shells under uniform external lateral pressure is presented. The study is carried out based on strain-displacement relationship......
layered structure upon treatment with water or aqueous solution containing various anions via the so called "memory effect", and has been demonstrated to be good ion exchangers/adsorbents for removal... product with layered structure of LDH at d003 (0.762 nm) and d006 (0.379 nm). Figure 1(b) shows the pattern of CLDH. The layered structure collapses due to the loss of interlayer water molecules......
, the relationship between macro-parameters and micro-structure characters was confirmed, and the regression equations were built. The results show that the coupled action takes effect on process of earthern...; microscopic structure 短暂而集中降雨伴随着强烈蒸发是我国西北干旱区最为典型天气过程[1],同时也是该地表岩土体劣化的重要外动力过程[2].遗存于干旱区为数众多的夯土遗址作为一类特殊岩土体也同样要接受外动力改造而发生劣化,其中由集中式降雨过程导致干湿交替和盐渍联合作用下夯土遗址发生劣化进程是其最主要的形式之一[3-4].该进程实质上是耦合作用通过改变夯土体内部水分的瞬时含量和运移路径,致使颗粒......
Crystal Structure and Characterization of a Novel Neodymium Coordination Compound Based on Dawson Cluster 魏梅林1,王敬平1,牛景杨1 (1.School of Chemistry and Chemical Engineering, Henan University, Kaifeng..., and X-ray single crystal structural analysis. The crystal structure indicates that the title compound belongs to monoclinic space group Cc, with unit cell dimensions a=2.4528(5) nm, b=1.9495(4) nm, c......
matrix composites. Key words: Nb-Al system; intermetallics; composite; high-temperature structure materials 金属间化合物由于具有密度小,熔点高,高温性能优越,化学稳定性良好等特点,在航空,舰艇和工业用燃气轮机的高温部件,航天器及火箭发动机,核反应堆,石油化工设备等领域应用具有独特的优势.在近...抗氧化性能相当.本文作者综述目前Nb-Al系化合物的最新研究进展,介绍Nb-Al系金属间化合物及其复合材料的制备,性能和研究现状,并分析其发展 趋势. 表1 金属间铝化合物的晶体结构和基本物理性能 [6-7] Table 1 Crystal structure and basic physical properties of aluminides......
fluid structure interaction for circulation valve of hydraulic shock absorberCHEN Qi-ping(陈齐平)1, SHU Hong-yu(舒红宇)1, FANG Wen-qiang(方文强)1, HE Lian-ge(何联格)1, YANG Mao-ju(杨茂举)2(1. State Laboratory... and the damping characteristic of hydraulic shock absorber, a fluid structure interaction method was presented, which was used to analyze the microcosmic and high-frequency processing mechanism of fluid......
Effect of deformation processing parameter on microscopic structure of
Ti14 alloy under semi-solid
GUO Ping(郭萍), ZHAO Yong-qing(赵永庆), WU Wei-lu(吴玮璐)
Titanium Alloy Research Center, Northwest... rising.
Key words: Ti14 titanium; semi-solid deformation; microscopic structure
......LAMELLAR STRUCTURE IN LONG RANGE ORDERED PHASE δ′-TiN0.5
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来源： 《中国有色金属学报(英文版)1997年第3期》——Yang Gaiying Du Jun Shi Likai
