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automatically using random methods, and only the output weights needed to be determined first [45]. Fig. 5 ELM model structure Using the input matrix X, output matrix Y, and neuron activation function g(x... Intelligence, 2021, 97: 104015. [39] SHI Ze-yan, QUAN Guo-zheng, AN Chao, QIU Wei-yong, ZHANG Zhi-hua. Artificial intelligence model of complicated flow behaviors for Ti-13Nb-13Zr alloy and relevant......
, with accessible X-Y feature sizes in the range of 0.6-30 μm [27]. The process can be used to manufacture grade and multistructure materials with different thermal properties; 2) the process is fast, simple...] WANG X, XU S, ZHOU S, XU W, LEARY M, CHOONG P, QIAN M, BRANDT M, XIE Y M. Topological design and additive manufacturing of porous metals for bone scaffolds and orthopaedic implants: A review [J......
on the planes parallel to the TBs. Acknowledgments This work was supported by the National Natural Science Foundation of China (No. 51871070). References [1] LU L, SHEN Y F, CHEN X H, QIAN L H, LU K. Ultrahigh strength and high electrical conductivity in copper [J]. Science, 2004, 304: 422-426. [2] MA E, WANG Y M, LU Q H, SUI M L, LU L, LU K. Strain hardening and large tensile elongation in ultrahigh......
a sequential multi-objective optimization of LDTW Al-alloy tube bending under uncertainties and verified it by the experimental design and the finite element method. With the increasing demand... of arbitrary micro-section of the pipe-wall can be obtained as , 0≤θ≤2/3π (7) where θ is the angle between arbitrary micro- section of the pipe-wall and the axis y (rad); is the outer bending moment......
alloy moulds (120 mm×20 mm×20 mm) and cylindrical moulds (Φ20 mm×20mm). Subsequently, they were placed in an electric blast dryer and dried at 60 °C for 48 h. After drying, they were demoulded and baked... of the tested beam, mm. For each composition, at least three specimens were tested, and the average was considered the representative value of the strength. The shrinkage, Y was calculated as follows......
): 2051-2065. [15] SU X F, ABDI F, KIM R Y. A study of ply thickness and angle designs for preventing permeability of the IM7/977-2 polymer composite cryogenic tank[C]// 47th AIAA/ASME/ ASCE/AHS/ASC Structures.... Institute of Light Alloy, Central South University, Changsha 410083, China; 2. College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China; 3. Aerospace......
Pollution, 2020, 258: 113773. [13] MUTLU I. Production and fluoride treatment of Mg-Ca-Zn-Co alloy foam for tissue engineering applications [J]. Transactions of Nonferrous Metals Society of China, 2018... modes to understand the behavior of MIL-53/C and MIL-53-N/C. As for the effect of pH, the 50 mL of 100 mg/L fluoride ion solution was put into a polyethylene bottle. The pH of the fluoride......
. The coordinate system’s origin is the center of the ball at the inner contour of the external spherical hinge, with the O-x axis being the central line of the pump shaft and the O-y axis being the radial direction of the external spherical hinge. Figure 3 Motion position and coordinate system Figure 4 Circumferential force on microscopic fluid element Unless otherwise specified, the x, y, and z unit......
, et al. Growth mechanism of reactants at spot welding interface between aluminum alloy and low carbon steel[J]. The Chinese Journal of Nonferrous Metals, 2017, 27(6): 1176-1181. [21] 黄健康, 何翠翠, 石 玗, 等......
.在本模拟中,对于所有的模型,其大小为50a×50a×10a.晶粒A的晶向所组成的笛卡尔坐标系如表1所示.晶粒B的晶向是通过绕着y轴旋转扭一定转角θ确定,由于FCC晶体的对称性,θ的取值分别是0°,14°,45°.在镍双晶的左边缘预设一个大小为15a× 2a×10a的边缘缺口.并在晶粒A和晶粒B中各预设一个半径为5a的圆柱形孔洞. 表1 不同晶向晶粒A的笛卡尔坐标系取向 Table 1... Journal of Fatigue, 2010, 32(9): 1461-1472. [6] KEVINSANNY O S, TAKAKUWA O, OGAWA Y, et al. Effect of defects on the fatigue limit of Ni‐based superalloy 718 with different grain sizes[J]. Fatigue......