国家重点基础研究发展计划(2012CB937500)

作品数：49被引量：106H指数：5
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相关作者：王世斌李林安亢一澜缪泓雷振坤更多>>
相关机构：天津大学中国科学技术大学中国科学院力学研究所大连理工大学更多>>
相关期刊：《Science Bulletin》《物理学报》《Acta Mechanica Solida Sinica》《Acta Mechanica Sinica》更多>>
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A mechanical model for the adhesive contact with local sliding induced by a tangential force被引量：2
《Acta Mechanica Solida Sinica》2017年第4期369-373,共5页Gan-Yun Huang Ji-Feng Yan 
supported by the National Key Basic Research Program (No.2012CB937500);Natural Science Foundation of China (No.11572216)
Adhesion has been demonstrated to play an important role in contact and friction between objects at small scales. While various models have been established for adhesive contact under normal forces, studies on the adh...
关键词：Adhesive contact Tangential force Local sliding DISLOCATION Contact size 
Strengthening effects of various grain boundaries with nano-spacing as barriers of dislocation motion from molecular dynamics simulations
《Science China(Physics,Mechanics & Astronomy)》2017年第3期48-54,共7页FuPing Yuan 
supported by the National Natural Science Foundation of China(Grant Nos.11472286,and 11672313);the National Key Basic Research Program of China(Grants Nos.2012CB932203,and 2012CB937500);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB22040503)
Strengthening in metals is traditionally achieved through the controlled creation of various grain boundaries(GBs),such as low-angle GBs,high-angle GBs,and twin boundaries(TBs).In the present study,a series of large-s...
关键词：molecular dynamics grain boundary strengthening dislocations NANOINDENTATION METALS 
Measurement of residual stress in a multi-layer semiconductor heterostructure by micro-Raman spectroscopy被引量：15
《Acta Mechanica Sinica》2016年第5期805-812,共8页Wei Qiu Cui-Li Cheng Ren-Rong Liang Chun-Wang Zhao Zhen-Kun Lei Yu-Cheng Zhao Lu-Lu Ma Jun Xu Hua-Jun Fang Yi-Lan Kang 
supported by the National Basic Research Program of China (Grant 2012CB937500);the National Natural Science Foundation of China (Grants 11422219, 11227202, 11372217, 11272232);the Program for New Century Excellent Talents in University (Grant NCET-13);China Scholarship Council (201308120092)
Si-based multilayer structures are widely used in current microelectronics. During their preparation, some inhomogeneous residual stress is induced, resulting in competition between interface mismatching and surface e...
关键词：Residual stress Multi-layer semiconductor heterostructure Micro-Raman spectroscopy（MRS） Strained silicon Germanium silicon 
Experimental investigation on surface deformation of soft half plane indented by rigid wedge被引量：1
《Applied Mathematics and Mechanics(English Edition)》2016年第10期1349-1360,共12页Xiaohua TAN Yilan KANG E.A.PATTERSON 
Project supported by the National Basic Research Program of China(No.2012CB937500);the National Natural Science Foundation of China(No.11127292)
In this work, the mechanical behavior of a block of soft material subject to large deformation from a series of wedge-shaped indenters is evaluated. Data fields acquired from digital image correlation （DIC） are comp...
关键词：contact mechanics wedge indentation large deformation sector division digital image correlation （DIC） 
采用玻尔兹曼统计法分析光阱刚度的测量精度被引量：3
《光学精密工程》2016年第8期1834-1839,共6页朱春丽 李静 
国家973重点基础研究发展计划资助项目(No.2012CB937500);国家自然科学基金资助项目(No.91023049)
考虑高精度的光阱刚度测量是光阱力测量的关键,本文提出了采用玻尔兹曼统计法来分析光阱刚度的测量精度。首先,描述了实验室搭建的近红外光镊系统,并将其搭建在暗室中的气垫平台上,以便隔离光干扰和振动干扰。然后,用四象限光电探测器...
关键词：光镊 近红外光镊系统 光阱刚度测量 玻尔兹曼统计法 
金属非晶的强度和变形特性被引量：5
《固体力学学报》2016年第4期312-339,共28页雷现奇 魏宇杰 
国家自然科学基金项目(11425211);国家重点基础研究发展计划(973计划)(2012CB937500)资助
金属非晶发展至今已有多种体系并可实现厘米量级的块体制备,其各种性能也都有了广泛的研究.论文主要介绍金属非晶的单轴拉伸、单轴压缩、微柱压缩、薄板弯曲、拉伸-扭转等物理力学特性及关于其变形的理论分析.文章涵盖了金属非晶的以下...
关键词：金属非晶 塑性 屈服准则 强度 螺旋断口 
锗硅缓冲双轴应变硅材料ε-Si/Ge_(0.3)Si_(0.7)/Ge_xSi_(1-x)/C-Si内部残余应力的显微拉曼实验分析被引量：1
《实验力学》2016年第3期306-314,共9页马路路 程翠丽 雷振坤 赵煜乘 仇巍 
国家重点基础研究发展计划(2012CB937500);国家自然科学基金(11422219;11227202;11272232和11172054);2013教育部新世纪优秀人才支持计划资助
应变硅技术是一种被称为延续摩尔定律的技术,是集成微电子技术的热点之一。本文以锗硅缓冲双轴应变硅材料(ε-Si/Ge_(0.3)Si_(0.7)/Ge_xSi_(1-x)/C-Si)为研究对象,采用显微拉曼光谱技术,开展了该多层半导体异质结构内部残余应力的实验...
关键词：应变硅 半导体多层异质结构 横截面样品 显微拉曼光谱 残余应力 
Helical Fiber Pull-out in Biological Materials被引量：3
《Acta Mechanica Solida Sinica》2016年第3期245-256,共12页Lixin Wang Yuhong Cui Qinghua Qin Hui Wang Jianshan Wang 
Project supported by the National Basic Research Program of China(No.2012CB937500);the National Natural Science Foundation of China(Nos.11272230,11472191 and 11172207)
Many biological materials, such as wood and bone, possess helicoid microstructures at microscale, which can serve as reinforcing elements to transfer stress between crack surfaces and improve the fracture toughness of...
关键词：biological materials helicoid microstructures fiber pull-out energy dissipation toughness 
Effects of oxygen vacancies on polarization stability of barium titanate
《Science China(Physics,Mechanics & Astronomy)》2016年第3期96-99,共4页Jun Wang Yao Gen Shen Fan Song Fu Jiu Ke Yi Long Bai Chun Sheng Lu 
the National Natural Science Foundation of China(Grant Nos.11172024 and 11232013);the National Key Basic Research Program of China(Grant No.2012CB937500);the Research Grant Council of the Hong Kong Special Administrative Region,China(Grant No.9042201(City U 11211015));resources provided by the Pawsey Supercomputing Centre with funding from the Australian Government and the Government of Western Australia;the LNMGrid of the State Key Laboratory of Nonlinear Mechanics and the Sc Grid of Supercomputing Center;Computer Network Information Center of the Chinese Academy of Sciences
Oxygen vacancy, a kind of native point defects in ferroelectric ceramics, usually causes an increase of the dielectric loss. Based on experimental observations, it is believed that all of the oxygen vacancies are an u...
关键词：FERROELECTRICITY HYSTERESIS oxygen vacancy molecular dynamics simulation 
Understanding ductile-to-brittle transition of metallic glasses from shear transformation zone dilatation被引量：4
《Theoretical & Applied Mechanics Letters》2015年第5期200-204,共5页M.Q.Jiang G.Wilde F.Jiang L.H.Dai 
supported by the National Nature Science Foundation of China (Grant Nos.11522221,11372315,11472287,and 51171138);the National Basic Research Program of China (Grant No.2012CB937500);the CAS/SAFEA International Partnership Program for Creative Research Teams;partially also by DFG
A theoretical model that takes into account the flee-volume aided cooperative shearing of shear transformation zones （STZs） is developed to quantitatively understand the ductile-to-brittle transition （DBT） of meta...
关键词：Ductile-to-brittle transitionMetallic glassFractureShear transformation zoneTension transformation zone 
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