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超塑性非球面自由胀形的测量宋玉泉1,马品奎1,管志平1(1.吉林省长春市吉林大学超塑性与塑性研究所)摘 要:超塑性胀形是成形薄壁壳形件的重要技术,已经在航空技术领域占有重要地位.由于超塑性自由胀形是建立超塑胀形力学解析理论的重要依据,又是超塑胀形成形的必经阶段,而超塑自由胀形的轮廓曲面为轴对称旋转曲面,本文针对精确测量轴对称旋转曲面的几何参数尚存在的一些问题,提出了测量方法及基本原理,介绍了基于单目成像的图像采集系统及摄像机参数的标定方法,并对旋转体试件的成像测量进行分析,给出了误差补偿公式;对于实验中极点高度......
J. Cent. South Univ. (2021) 28: 572-581 DOI: https://doi.org/10.1007/s11771-021-4622-0 Anchoring effect and energy-absorbing support mechanism of large deformation bolt ZHAO Tong-bin(赵同彬)1, 2, XING... Nature 2021 Abstract: To research the anchoring effect of large deformation bolt, tensile and drawing models are established. Then, the evolution laws of drawing force, bolt axial force......
拓扑量子材料与量子反常霍尔效应何珂,薛其坤清华大学物理系低维量子物理国家重点实验室摘 要:简要综述自从2005年前后发展起来的一类新的材料体系-"拓扑"量子材料,它包含拓扑绝缘体,拓扑晶体绝缘体,拓扑超导体和拓扑半金属等.这类材料中较强的自旋轨道耦合作用导致了包括量子反常霍尔效应在内的丰富多彩的量子现象,有可能对未来低能耗电子学,拓扑量子计算和清洁能源等技术的发展具有重大的推动作用.关键词:综述;拓扑绝缘体;量子霍尔效应;量子反常霍尔效应;......
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J. Cent. South Univ. (2012) 19: 2029-2036 DOI: 10.1007/s11771-012-1241-9 Short-term deformation behavior model of endangered earthen heritage slope after conservation in Jiaohe Ruins ZHANG...; 2. School of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: Cliff deformation......
Cyclic deformation behaviour of natural K0-consolidated soft clay under different stress pathsSUN Lei(孙磊)1, CAI Yuan-qiang(蔡袁强)1, 2, GU Chuan(谷川)2, WANG Jun(王军)2, GUO Lin(郭林)2(1. Research Center... stress lasting for a long period of time and generally takes place in partially-drained conditions. Therefore, it is of great practical relevance to study the deformation behaviour according......
Deformation behaviors of magnesium alloy AZ31 sheet in cold deep drawing YANG Lian-fa(杨连发)1, MORI Ken-ichiro2, TSUJI Hirokazu2 1. School of Electromechnical Engineering, Guilin University... on the cold forming sheet of the AZ31 alloy after being annealed under various conditions. The activities were focused on the fracture pattern, limit drawing ratio(LDR), deformation load, thickness......
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