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of Rock Mechanics and Engineering, 2010, 29(Suppl 2): 3852-3857. [11] 张肖宁, 孙杨勇. 粗集料的表面微观纹理的激光测量方法及分形性质研究[J]. 公路交通科技, 2011, 28(1): 19-24.ZHANG Xiaoning, SUN Yangyong. Research on measurement of surface......
alloys with different contents of La addition 表2 图1中各点能谱成分分析 Table 2 Energy spectroscopic analysis of different points shown in Fig. 1 图2 AP65-4%La的XRD谱 Fig. 2 XRD patterns... of AP65 alloys with different contents of La addition discharged at current density of 180 mA/cm2 for 1 h after removing surface corrosion products 3 结论 1) La元素能够使AP65镁合金组织得到细化,并且生成针状稀土相Mg80(Al,La......
, in which the surface area of every photo is between 54000 μm2 and 60000 μm2. Then, the eutectic silicon morphology was characterized by three parameters of aspect ratio, circularity, and mean area......
measurement of surface residual stresses of quenched aluminum alloy thick plate by X-ray method [J]. Materials China, 2011, 30(2): 51-55. (in Chinese) [17] GONG Hai, WU Yun-xin, LIAO Kai. Analysis......
合金7与8的氧化层致密完整,且氧化膜表面都生成了一些规则的小鼓包.合金8中鼓包尺寸的比合金7中的小,且分布更加均匀与密集. 图5 800 ℃静态氧化184 h后合金的氧化表面形貌 Fig. 5 Oxidation surface morphologies of alloys after static oxidation at 800 ℃ for 184 h:oxide......
): 23-26. [12] 吕 凯, 刘向东, 李艳芬, 冯 华, 王 浩. 纤维增强熔模铸造复合型壳的性能及断口形貌[J]. 北京航空航天大学学报, 2014, 40(10): 1361-1365. Kai, LIU Xiang-dong, LI Yan-fen, FENG Hua, WANG Hao. Properties and fracture surface morphology......
important function materials and frequently used in fabrication of multilayer chip inductor, which can be applied as surface mounted device in microelectronic devices, such as transformer, sensor, digital......
A. On reduction in the surface tension of water due to magnetic treatment[J]. Colloids and Surfaces A: Physicochemical and Engineering, 2006, 278(1): 252-255. [22] 王立久, 赵善宇. 磁化水对水泥拌合物性能的影响[J]. 混凝土, 2005(9......
] ZHANG Wei, Cai C S. Fatigue reliability assessment for existing bridges considering vehicle speed and road surface conditions[J]. Journal of Bridge Engineering, 2012, 17(3): 443-453. [7] Guo T......
滑移面在靠近桩体时改变了发展方向,滑面最终越顶剪出,因而在2号桩桩顶上方的坡面上出现了1条横向裂缝.各阶段产生的裂缝,如图6所示.由图6可见:2号坡产生的裂缝主要由竖向裂缝和坡脚处的剪切裂缝组成. 图6 边坡动力破裂面示意图(侧视) Fig. 6 Dynamic failure surface of slope (side view) 3 试验数据分析 3.1......