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Influence of Rare Earths on Improve Impact Property of Structural Alloy Steel with Extra Low Sulfur and Oxygen Lin Qin1,Guo Feng2 (1.Physical Chemistry Department, University of Science... and cerium on impact property of structural alloy steel with extra low sulfur and oxygen was studied by impact test and microanalysis. The results showed that rare earths increased impact power of the steel......
Non-fluctuating target detection in low-grazing angle with MIMO radarDING Jin-can(丁锦灿), CHEN Hao-wen(陈浩文), WANG Hong-qiang(王宏强), LI Xiang(黎湘), ZHUANG Zhao-wen(庄钊文) (School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China)Abstract:The non-fluctuating target detection in low-grazing angle using multiple-input multiple-output (MIMO) radar......
Impact coefficient and reliability of mid-span continuous beam bridge under action of extra heavy vehicle with low speedLIU Bo(刘波)1, 2, WANG You-zhi(王有志)1, HU Peng(胡朋)3, YUAN Quan(袁泉)1(1. School... show that deck roughness has an important function in the effect of the vehicle on the bridge. When an extra heavy vehicle passes through the continuous beam bridge at a low speed of 5 km/h, the impact......
Effect of fiber angle on LYP steel shear walls behaviorFarzad Hatami1, Ali Ghamari2, Farshad Hatami3(1. Structure and Earthquake Center, Amirkabir University of Technology, Tehran 15916-34311, Iran;2... of LSSW (stiffness, energy absorption, shear capacity, over strength values). Also, stress values applied to boundary frames are lower due to post buckling forces. The effect of fiber angle was also......
function may enhance its applicability to grid vulnerability assessment. (4) The accuracy of phase angle difference of branch has significant impact on the correctness of the assessment results. The more... potential energy (BPE); current vulnerability; forecasting vulnerability; phase angle difference 1 Introduction The power system vulnerability has been a hot topic since its emergence, and attracts......
J. Cent. South Univ. (2017) 24: 609-624 DOI: 10.1007/s11771-017-3462-4 Distribution characteristics and impact on pump’s efficiency of hydro-mechanical losses of axial piston pump over wide... with conical cylinder block is illustrated in Fig. 4. The cylinder bores are arranged on a conical surface with a cone angle β in the cylinder block. The rotating cylinder block driven by shaft slides......
J. Cent. South Univ. (2020) 27: 937-950 DOI: https://doi.org/10.1007/s11771-020-4342-x Effect of bolt inclination angle on shear behavior of bolted joints under CNL and CNS conditions CUI Guo-jian... engineering projects to improve the shear capacity of the jointed rock mass. The bolt inclination angle with respect to the shear plane has a remarkable influence on the bolting performance......
and characteristics analysis of high contact ratio gears based on pressure angle WANG Jian1, LUO Shanming1, SU Deyu2 (1. School of Mechanical and Automotive Engineering, Xiamen University of Technology... stability and high contact ratio for gears used in the aerospace and automotive fields, an active design method for high contact ratio spur gears based on pressure angle was proposed. The mathematical......
of double liquid quenching on the cutting performance of the 7A09 aluminum alloy, quasi-static compression and dynamic impact tests were carried out on the 7A09 aluminum alloy after double liquid quenching... parameters were the same. Thus, the correctness of the 7A09 aluminum alloy finite element model was verified. Key words: 7A09 aluminum alloy; double liquid quenching; dynamic impact performance; cutting......
High-g Impact Resistance for Epoxy Molding Compound靳鸿摘 要:The behavior of resistance high-g impact of EMC (epoxy molding compound) with two package models... devices or the Globtop devices was observed. In order to enhance the EMC’s ability of resistance high-g impact, buffering effect of epoxy resin was also studied. The experimental results above all show......
