MICRO-MECHANICS

作品数：12被引量：58H指数：4
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Investigation of the Micro-Mechanics of an Extruded Precipitation-Strengthened Magnesium Alloy under Cyclic Loading
《Journal of Materials Science and Chemical Engineering》2024年第7期40-52,共13页Chuhao Liu Xiaodan Zhang Huamiao Wang Yinghong Peng 
Precipitation strengthening is a crucial microscopic mechanism for enhancing the strength of magnesium alloys. In order to elucidate the influence of precipitation on the microscopic deformation mechanisms and macrosc...
关键词：Cyclic Deformation Magnesium Alloy In-Situ Neutron Diffraction Precipitation Strengthening Crystal Plasticity Lattice Strain Mechanism Evolution 
An extended micromechanical-based plastic damage model for understanding water effects on quasi-brittle rocks被引量：1
《International Journal of Mining Science and Technology》2024年第3期289-304,共16页Qiaojuan Yu Shigui Du Qizhi Zhu Zhanyou Luo Sili Liu Lunyang Zhao 
financially supported by the National Natural Science Foundation of China(Nos.42001053 and 42277147);the General Scientific Research Fund of Zhejiang Provincial Education Department(No.Y202352363);the University Natural Science Foundation of Jiangsu Province(No.23KJD130001)。
Water effects on the mechanical properties of rocks have been extensively investigated through experiments and numerical models.However,few studies have established a comprehensive link between the microscopic mechani...
关键词：Water MICRO-CRACK DAMAGE MICRO-MECHANICS Constitutive model Cohesive force 
Micro-mechanical damage diagnosis methodologies based on machine learning and deep learning models
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2021年第8期585-608,共24页Shahab SHAMSIRBAND Nabi MEHRI KHANSARI 
A loss of integrity and the effects of damage on mechanical attributes result in macro/micro-mechanical failure,especially in composite structures.As a progressive degradation of material continuity,predictions for an...
关键词：Damage detection Machine learning(ML) Composite structure Micro-mechanics of damage Deep learning(DL) 
Modified micro-mechanics based multiscale model for progressive failure prediction of 2D twill woven composites被引量：7
《Chinese Journal of Aeronautics》2020年第7期2070-2087,共18页Meng WANG Peiwei ZHANG Qingguo FEI Fei GUO 
the support of the National Natural Science Foundation of China(No.11572086);the Fundamental Research Funds for the Central Universities;the Scientific Research Innovation Program of Jiangsu Province College of China(No.KYLX16_0185);the Scientific Research Foundation of Graduate School of Southeast University of China(No.YBJJ1760);the China Scholarship Council of China(No.201706090076)。
To consider fiber random distribution at the microscale for the multiscale model based on the micro-mechanics failure(MMF)theory,clustering method is used for the extraction of amplification factors.As the clustering ...
关键词：2D twill woven composites Clustering analysis Fiber distribution patterns Micro-mechanics failure theory Multiscale damage model 
Low-cycle fatigue life prediction of a polycrystalline nickel-base superalloy using crystal plasticity modelling approach被引量：10
《Journal of Materials Science & Technology》2020年第3期28-38,共11页Guang-Jian Yuan Xian-Cheng Zhang Bo Chen Shan-Tung Tu Cheng-Cheng Zhang 
supported financially by the National Natural Sciene Foundation of China(Nos.51725503 and 51575183);111 Project;Zhang XC is also grateful for the support by Shanghai Pujiang Program;Young Scholar of the Yangtze River Scholars Program;Shanghai Technology Innovation Program of SHEITC(No.CXY-2015-001);financial supports by Coventry University through the Early Career Researcher-Outgoing Mobility Award;the East China University of Science and Technology through 111 Project to facilitate this international research collaboration.
A crystal plasticity model is developed to predict the cyclic plasticity during the low-cycle fatigue of GH4169 superalloy.Accumulated plastic slip and energy dissipation as fatigue indicator parameters(FIPs)are used ...
关键词：Crystal PLASTICITY Fatigue FINITE element Life prediction MICRO-MECHANICS Nickel-base SUPERALLOY 
Experimental study of sand grains behavior at their contacts with force-and displacement-controlled sliding tests
《Underground Space》2017年第1期38-44,共7页K.Senetakis C.S.Sandeep 
The work described in this paper was supported by a grant from the Research Grants Council of the Hong Kong Special Administrative Region,China(Project No.CityU 8779012).
Discrete element modeling requires the proper quantification of the behavior of grains at their contacts including the normal force-displacement and tangential force-displacement relationships to be used as input for ...
关键词：MICRO-MECHANICS Inter-particle friction Inter-particle stiffness LBS grains Experimental mechanics 
Out of Plane Thermal Conductivity of Carbon Fiber Reinforced Composite Filled with Diamond Powder被引量：1
《Open Journal of Composite Materials》2016年第2期41-57,共17页M. Srinivasan P. Maettig K. W. Glitza B. Sanny A. Schumacher M. Duhovic J. Schuster 
Highly conductive fillers have a strong influence on improving the poor out of plane thermal conductivity of carbon fiber reinforced composites. The objective of this study has been to investigate the role of the diam...
关键词：Carbon Fibers Thermal Conductivity Finite Element Analysis (FEA) MICRO-MECHANICS Thermal Measurements 
SIMULATION OF COMPOSITE NON-LINEAR MECHANICAL BEHAVIOR OF CMCS BY FEM-BASED MULTI-SCALE APPROACH被引量：1
《Transactions of Nanjing University of Aeronautics and Astronautics》2013年第4期328-334,共7页高希光 王绍华 宋迎东 
Supported by the National Natural Science Foundation of China(51075204,51105195);the Aeronau-tical Science Foundation of China(2011ZB52024)
The non-linear behavior of continuous fiber reinforced C/SiC ceramic matrix composites(CMCs)under tensile loading is modeled by three-dimensional representative volume element(RVE)models of the composite. The theoreti...
关键词：ceramic-matrix composites （CMCs） mechanical properties microstrueture computational modelingmicro-mechanics 
ANISOTROPIC PERMEABILITY EVOLUTION MODEL OF ROCK IN THE PROCESS OF DEFORMATION AND FAILURE被引量：6
《Journal of Hydrodynamics》2012年第1期25-31,共7页WANG Huan-ling CHU Wei-jiang HE Miao 
supported by the Natural National Science Foundation of China(Grant Nos.51009052,11172090);the Three Gorge Research Center for Geo-Hazards,the Ministry of Education(Grant No.TGRC201026);the Fundamental Research Funds for the Central Universities(Grant No.2010B02514);the Key Laboratory of Coastal Disasters and Defence of Ministry of Education,Hohai University(Grant No.2010016)
The rock permeability is an important parameter in the studies of seepage and stress coupling.The micro-cracks and pores can initiate and grow on a small scale and coalesce to form large-scale fractures and faults und...
关键词：rock hydraulics MICRO-MECHANICS PERMEABILITY model validation 
Crystal Plasticity Finite Element Process Modeling for Hydro-forming Micro-tubular Components被引量：4
《Chinese Journal of Mechanical Engineering》2011年第1期78-83,共6页ZHUANG Weimin WANG Shiwen BALINT Daniel LIN Jianguo 
supported by the EuropeanFP6-IP Project"Integration of Manufacturing Systems for Mass-manufacture of Miniature/Micro-Products(MASMICRO)"
Micro-tubes manufactured by hydro-forming techniques have now been widely used in medical and microelectronics applica- tions. One of the difficulties in forming such parts is the control of localized necking in the i...
关键词：micro-mechanics modeling MICRO-FORMING hydro-forming 
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