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, heated up to 550 °C, and gently stirred, manually, by a coated stainless steel rod for 2 min before being cast into a pre-heated (180 °C) cast-iron mold to obtain slabs with dimensions of 150 mm × 100... of Materials Research and Technology, 2015, 4(4): 398-410. [35] HUANG C W, AOH J N. Friction stir processing of copper- coated SiC particulate-reinforced aluminum matrix composite [J]. Materials, 2018, 11(4......
point of pure Mg, known as its sintering temperature [17]. This temperature was provided by using a 1200 W ceramic heating element. In addition, MoS2 was utilized as a lubricant to minimize... A, NOJOOMI A. Warm compaction of metallic powders [M]. Elsevier, 2013. [20] LEE P, TRUDEL Y, IACOCCA R, GERMAN R, FERGUSON B, EISEN W, MOYER K. Warm compaction [J]. Powder Metal Technologies and Applications......
of the anchor rod body by using ANSYS software and the measured bolt shape parameters. ZHANG et al [24] developed the CABLE unit of FLAC3D numerical simulation software by using fish language, and simulated......
;min, and then the stopper-rod was opened and the melt was introduced to the crystallizer through the launder. When the melt filled the cavity of the crystallizer, the cooling water was switched... different casting conditions, five K-type thermocouples fixed on the stainless rod were used to record the temperatures. Thermo- couples T3, T4 and T5 were placed on a plane 220 mm below......
,共4片.其中,竖向应变片可测量传力棒的纵向拉伸与压缩的应变,而横向应变片则可测量传力棒的侧向变形. 图2 检测所用的传力棒 Fig. 2 Force transmission rod (FTR) used for detection 在进行检测之前,需要对传力棒上的应变片进行静态标定,获得传力棒的物理性质参数,如弹性模量和泊松比等.通过对输出电压与荷载 (轴力)之间的线性关系的标定,可根据输出电...响应的频谱图 Fig. 12 Frequency-domain spectrums of rebars′ lateral vibration responses under different grouted compactness ； (2) 式中:w为界定长度,本文取1.5. 由图13可知,钢筋套筒灌浆密实度与冲击信号时域曲线和频域曲线的特征参数具有较强的相关性.其中......
a uniaxial pressure of 50 MPa in an HP-D250-1 SPS machine. The sintered ingot was heated to 723 K, kept at this temperature for 30 min and extruded into a rod with an extrusion ratio of 25:1. Graphite..., 2015, 82: 143-151. [13] LI J L, XIONG Y C, WANG X D, YAN S J, YANG C, HE W W, CHEN J Z, WANG S Q, ZHANG X Y, DAI S L. Microstructure and tensile properties of bulk nanostructured aluminum/graphene......
t/m3,孔隙率为44.99%,含泥量为3.89%,粒径级配分析如图1所示,其平均粒径为0.62 mm,不均匀系数Cu=8.96＞5,曲率系数Cc=1.12,满足1＜Cc＜3,表明棒磨砂属于良好的连续级配. 图1 棒磨砂粒径级配分析 Fig. 1 Analysis of particle size gradation of rod-mill sand 1.2 活... of valuable metals from nickel slags disposed in landfills[J]. Sep Sci Technol, 2015, 50: 2553-2558. [9] WANG Z, NI W, JIA Y, et al. Crystallization behavior of glass ceramics prepared from the mixture......
the hydrogen content. Then, the melt temperature increased up to 850 °C, the surface dross was removed, and the melt was gently stirred by a graphite rod before being poured into a preheated cast-iron mold... heat-resistant alloy by spray deposition [J]. Transactions of Non-ferrous Metals Society of China, 2003, 13(3): 568-573. [6] TANG Y P, TAN D Q, LI W X, PAN Z J, LIU L, HU W B. Preparation of Al-Fe-V-Si......
－Reference electrode; WE－ Working electrode) A molybdenum wire (1 mm in diameter, 99.95% pure) and a graphite rod (6 mm in diameter, spectroscopically pure) were employed as the working and counter......
M W. In situ monitoring for ground truthing paste backfill designs[C]// Proceedings of the 13th International Seminar on Paste and Thickened Tailings. Canada, 2010: 85-98. [4] FALL M, NASIR O.... WU Ai-xiang, WANG Yong, WANG Hong-jiang. Effect of rake rod number and arrangement on tailings thickening performance[J]. Cent South Univ Sci Technol, 2014, 45(1): 244-248. [15] RUIZ-HERNANDO M......
