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PLASTIC: 作品数：668被引量：873H指数：12; 导出分析报告; 相关领域：文化科学更多>>; 相关作者：葛正浩徐峰李晓芳陈石峰贾颖莲更多>>; 相关机构：中国科学院陕西科技大学清华大学轻工业塑料加工应用研究所更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>

Parameter selection for the hydroconversion of waste polyethylene plastic under mild conditions: A comprehensive evaluation: 《Science China(Technological Sciences)》2024年第8期2413-2426,共14页CHENG LeiLei CHEN RuiZhe ZHU WeiQiang TIAN ShaoNan GU Jing YUAN HaoRan CHEN Yong; supported by the CAS Project for Young Scientists in Basic Research (Grant No. YSBR-044)。; The hydrogenolysis/hydrocracking of waste polyethylene(PE) has recently been intensively studied, with the general pursuit of low-temperature reaction conditions, increased oil-phase yield, and narrower carbon chain d...; 关键词：plastic upcycling POLYETHYLENE HYDROCRACKING HYDROGENOLYSIS comprehensive energy efficiency

A 3D elastic-plastic-viscous constitutive model for soils considering the stress path dependency被引量：2: 《Science China(Technological Sciences)》2020年第5期791-808,共18页LU DeChun MIAO JinBo DU XiuLi TIAN Yu YAO YangPing; supported by the National Natural Science Foundation of China(Grant Nos.U1839201,51778026,51421005&51538001).; In order to consider the stress path dependency of soils,this paper decomposes any arbitrary stress path into several infinitesimal stress paths.Then the infinitesimal stress path is further transformed into the super...; 关键词：SOILS clastic-plastic-viscous constitutive model stress path dependency reference stale line CREEP stress relaxation

A study of indentation scaling relationships of elastic-perfectly plastic solids with an inclusion near the conical indenter tip被引量：4: 《Science China(Technological Sciences)》2019年第5期721-728,共8页YU ZhiJie WEI YueGuang; supported by the National Natural Science Foundation of China(Grant Nos.11432014,11672301,11521202,11890681); Indentation hardness is found to be related to indentation depth when indentation test is applied on homogeneous materials under small indentation depth, which shows strong size effect in the indentation. While in con...; 关键词：conical INDENTATION elastic-perfect PLASTIC grain composite scaling relationships

Influence of stress anisotropy on the cylindrical cavity expansion in undrained elastic-perfectly plastic soil被引量：4: 《Science China(Technological Sciences)》2018年第3期370-380,共11页ZHOU Hang LIU HanLong ZHA YaHui YIN Feng; supported by the National Natural Science Foundation of China(Grant Nos.51420105013&51708063);the State Key Laboratory for Geomechanics and Deep Underground Engineering,China University of Mining and Technology(Grant No.SKLGDUEK1713);Chongqing Research Program of Basic Research and Frontier Technology(Grant No.cstc2017jcyjAX0261); This work presents an analysis of the influence of stress anisotropy on cylindrical cavity expansions in an undrained elastic-perfectly plastic soil. This problem was formulated by assuming a large strain in both the ...; 关键词：anisotropy cylindrical cavity expansion undrained elastic-perfectly plastic

Elastoplastic damage model for concrete based on consistent free energy potential被引量：4: 《Science China(Technological Sciences)》2014年第11期2278-2286,共9页ZHANG Ji LI Jie; supported by the National Natural Science Foundation of China(Grant Nos.51261120374,51108336 and 51378377); The aim of this study is to formulate an appropriate free energy potential for inelastic behavior of concrete and construct an elastoplastic damage model on a more rational basis. The concept of effective plastic ener...; 关键词：free energy plastic energy storage damage energy release constitutive model CONCRETE

Viscoelastic plastic continuous physical model of a magnetorheological damper applied in the high speed train被引量：1: 《Science China(Technological Sciences)》2013年第10期2433-2446,共14页LI ZhongJi NI Yi-Qing DAI HuanYun YE ShuQin; supported by grant from the Innovation and Technology Support Program of the Hong Kong Special Administrative Region,China(Project No.ITS/241/11);the National Natural Science Foundation of China(Grant No.61134002);the National Basic Research Program of China("973" Program)(Grant No.2011CB711106); In the preliminary design stage of high-speed train smart suspension,a simple,yet accurate magnetorheological(MR)damper model whose parameters have clear physical meaning is needed.Based on the working mechanism analy...; 关键词：magnetorheological （MR） damper physical model viscoelastic plastics （VEP） model nonlinear stiffness VEP （nkVEP）model parameters identification

A general model of fatigue crack growth under variable amplitude loading被引量：6: 《Science China(Technological Sciences)》2012年第3期673-683,共11页LIU JianTao DU PingAn ZHANG ZhenYu; supported by the Gas Turbine Establishment of China (Grant No. GTE022006084); A general model of fatigue crack growth(FCG) in ductile alloys under variable amplitude loading is proposed based on the passivation-lancet theory and the crack closure concept.The model can capture the interactions o...; 关键词：fatigue and fracture crack retardation effect variable loading crack closure effect plastic effect

Fracture analysis of rock mass based on 3-D nonlinear Finite Element Method被引量：8: 《Science China(Technological Sciences)》2011年第3期556-564,共9页LIU YaoRu CHANG Qiang YANG Qiang WANG ChuanQi GUAN FuHai; supported by the National Natural Science Foundation of China (Grant No. 50709014);China National Funds for Distinguished Young Scientists (Grant No. 50925931);State Key Laboratory of Hydroscience and Engineering of China (Grant No. 2008-TC-2); Traditional fracture analysis is based on fracture mechanics and damage mechanics. They focus on the propagation of the fracture. However, their propagation criterions are not easily applied in practice and the curren...; 关键词：fracture analysis rock mass unbalanced force plastic complementary energy norm nonlinear finite element method

Plastic deformation of nanocrystalline nickel: 《Science China(Technological Sciences)》2009年第8期2216-2221,共6页WU XiaoLei State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China; Supported by the National Nature Science Foundation of China (Grant Nos. 50571000, 10721202); the National Basic Research Program of China ("973" Program) (Grant No. 2004CB619305); A high-resolution electron microscopy study has uncovered the plastic behavior of accommodating large strains in nanocrystalline (NC) Ni subject to cold rolling at liquid nitrogen temperature. The activation of grain-...; 关键词：NANOCRYSTALLINE metal PLASTIC DEFORMATION DEFORMATION TWINNING DISLOCATION microstructure

Forming limit of sheet metals based on mixed hardening model被引量：4: 《Science China(Technological Sciences)》2009年第5期1202-1211,共10页HaiBo Wang Min Wan; Supported by the National Natural Science Foundation of China (Grant No. 50475004); The calculation method of forming limit of sheet metals based on M-K instability theory is proposed,and the method is applicable to different yield criterions and hardening models.The forming limit dia-grams of AA5754...; 关键词：PLASTIC FORMING of SHEET METALS FORMING LIMIT HARDENING model complex loading path

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