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Multiscale model of micro curing residual stress evolution in carbon fiber-reinforced thermoset polymer

Xinyu HUI, Yingjie XU, Weihong ZHANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 475-483 doi: 10.1007/s11465-020-0590-6

Abstract: In this study, the micro curing residual stresses of carbon fiber-reinforced thermoset polymer (CFRP)By introducing the information from the macroscale perspective, the curing residual stresses are calculatedThe evolution of curing residual stresses reveals the interaction mechanism of fiber, matrix, and interphaseResults show that the curing residual stresses mostly present a tensile state in the matrix and a compressiveFurthermore, the curing residual stresses at different locations in the composites are calculated and

Keywords: CFRP     curing residual stress     multiscale modeling     finite element method    

The formation mechanism and the influence factor of residual stress in machining

Zhaoxu QI,Bin LI,Liangshan XIONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 265-269 doi: 10.1007/s11465-014-0311-0

Abstract:

Residual stresses generated in cutting process have important influences on workpiece performance.The paper presents a method of theoretical analysis in order to explicate the formation mechanism of residualOn the basis of the analytical model for residual stress, a series of simulations for residual stressstress in the workpiece.And these influences are explained from the perspective of formation mechanism of residual stress in

Keywords: residual stress     analytical model     strain     plastic     cutting parameter    

Improved analytical model for residual stress prediction in orthogonal cutting

Zhaoxu QI,Bin LI,Liangshan XIONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 249-256 doi: 10.1007/s11465-014-0310-1

Abstract:

The analytical model of residual stress in orthogonal cutting proposed by Jiann is an important toolfor residual stress prediction in orthogonal cutting.In application of the model, a problem of low precision of the surface residual stress prediction isThese shortages may directly lead to the low precision of the surface residual stress prediction.At last, an experiment for measuring residual stress in cutting AISI 1045 steel is conducted.

Keywords: residual stress     analytical model     orthogonal cutting     cutting force     cutting temperature    

A New Method for Inferencing and Representing a Workpiece Residual Stress Field Using Monitored Deformation

Zhiwei Zhao,Changqing Liu,Yingguang Li,James Gao,

Engineering doi: 10.1016/j.eng.2022.07.018

Abstract: The residual stress inside stock materials is a fundamental property related to the quality of manufacturedExisting technologies for measuring the residual stress field are either strain-based measurement methodsIn the proposed method, the residual stress field of a workpiece is inferred based on the characteristicsof the deformation forces that reflect the overall effect of the unbalanced residual stress field afterThe relationship between deformation forces and the residual stress field is modeled based on the principle

Keywords: Residual stress field     Precision manufacturing     Deformation force     Inverse problem     In situ     measurement    

decouple the contributions of friction and plastic deformation to machined surface temperatures and residualstress patterns in finish dry cutting

Subhash ANURAG, Yuebin GUO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 247-255 doi: 10.1007/s11465-010-0097-7

Abstract: Residual stress reversal from subsurface maximum residual to surface maximum residual stress may occur

Keywords: surface temperature     friction     residual stress     finite element analysis (FEA)     dry cutting     tool property    

impact analysis and multi-objective optimization design of Mg/Al assembled wheel considering riveting residualstress

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0701-7

Abstract: connection-performance integration multi-objective optimization design of the assembled wheel considering riveting residualstress was designed via Taguchi experiment, grey relational analysis, analytic hierarchy process, principal

Keywords: magnesium/aluminum assembled wheel     riveting residual stress     fatigue analysis     impact analysis     multi-objective    

Stress corrosion and residual stress of H2S in petrochemical special equipment

Zhang Yiliang,Xu Jinquan,Wang Yuci

Strategic Study of Chinese Academy of Engineering 2009, Volume 11, Issue 8,   Pages 38-43

Abstract:

To understand the present status of the issue of H2S stressoverview containing the environment definition, test method, influence factor, evaluation standard of stresscorrosion and the material demand in H2S stress corrosion issue is accomplished.Meanwhile, a discussion of the causation, test method and elimination measure of welding residual stress

Keywords: H2S stress corrosion     operation manual     evaluation standard     welding residual stress    

An improved algorithm for McDowell’s analytical model of residual stress

Zhaoxu QI,Bin LI,Liangshan XIONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 150-155 doi: 10.1007/s11465-014-0295-9

Abstract: two-dimensional elastoplastic rolling/sliding contact proposed by McDowell is an important tool for predicting residualstress in rolling/sliding processes.algorithm for McDowell’s model is proposed in order to improve its predicting accuracy of the surface residualstress.The simulation results show that the surface residual stress predicted by modified method is much closer

Keywords: residual stress     McDowell’s model     volume-constancy of plastic deformation     FEM     elastoplastic rolling/sliding    

Influence of welding residual stresses on the ductile crack growth resistance of circumferentially cracked

Xiaobo REN, Odd M. AKSELSEN, B?rd NYHUS, Zhiliang ZHANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 217-223 doi: 10.1007/s11709-012-0169-3

Abstract: Welding residual stress is one of the main concerns for fabrication and operation of steel structuresThis paper focuses on the effect of welding residual stress on the ductile crack growth resistance ofResidual stresses were introduced into the model by using so-called eigenstrain method.Results show that residual stresses reduce the ductile crack growth resistance.The effect of residual stress has also been investigated for cases with different initial void volume

Keywords: residual stress     ductile crack growth resistance     complete Gurson model     eigenstrain method    

Effects on Residual Stress of Electron Beam Welding of TC4 Al loy by Laser Phase Transformation Treatment

Lu Jinzhong,Zhang Yongkang,Kong Dejun,Ren Xudong,Zou Shikun,Wang Xichang

Strategic Study of Chinese Academy of Engineering 2007, Volume 9, Issue 5,   Pages 72-76

Abstract:

  In this study,  an effective control method and strategy based on fuzzy neural network has been developed for gas injection pressure accurate control in gas-assisted injection. A fuzzy neural network controller with five layers and its control algorithm are established.  The learning ability of neural network is used to optimize the rules of the fuzzy logic so as to improve the adaptability of system.  The simulation of the system capability and three segmental injected pressure control are carried out under the environment of MATLAB and the results show that this theoretic model is feasible, and the control system has good characteristics and control action.

Keywords: laser phase transformation treatment     TC4titanium alloy     electron beam welding(EBW)     residual stress    

Study on TA2 Sheet Metal Bending With Thermal Stress Induced by Laser and Its Mechanical Properties

Zhou Yijun,Zhang Yongkang,You Wenming,Yin Chen,Zhang Chengyang

Strategic Study of Chinese Academy of Engineering 2007, Volume 9, Issue 10,   Pages 40-44

Abstract: 5 kW CO2 laser,  a HVS-1000 Micro-hardness measuring instrument and an X-350A X-ray stress6mm-thickn sheet steel of TA2 was studied to evaluate the process parameters of bending with thermal stress Distribution of residual stress on the surface and variation of micro-hardness on the cross section Parameters of laser forming also have some influence on the distribution of residual stress on

Keywords: laser technology     thermal stress     sheet metal bending     residual stress     micro-hardness    

Secondary transfer length and residual prestress of fractured strand in post-tensioned concrete beams

Frontiers of Structural and Civil Engineering   Pages 388-400 doi: 10.1007/s11709-022-0809-1

Abstract: concrete beams to explore the effects of different fracture positions on secondary transfer length and residualA numerical model is developed and used to predict the secondary transfer length and residual prestressThe residual prestress of fractured strand increases gradually in the secondary transfer length, and

Keywords: post-tensioned concrete beams     strand fracture     secondary transfer length     residual prestress    

Synthesis of hierarchical nanohybrid CNT@Ni-PS and its applications in enhancing the tribological, curing

Jinian Yang, Yuxuan Xu, Chang Su, Shibin Nie, Zhenyu Li

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1281-1295 doi: 10.1007/s11705-020-2007-9

Abstract: The morphological structures, tribological performances, curing behaviors and thermal properties of EPMoreover, analysis on cure kinetics proves the excellent promotion of CNT@Ni-PS on the non-isothermal curingprocess, lowering the curing energy barrier steadily.

Keywords: nickel phyllosilicate     surface decoration     tribological property     curing kinetics     thermal performance    

Application of metal magnetic memory test in failure analysis and safety evaluation of vessels

Yiliang ZHANG, Song YANG, Xuedong XU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 40-48 doi: 10.1007/s11465-009-0003-3

Abstract: (MMMT), which is a new subject in the field of nondestructive examination, can determine regions of stressResults are as follows: The margin of safety declines after the purifier is overburnt; several stressExtremely high residual stress is the primary cause of cracks.After four years in service, the residual stresses existing in the area of the base metal and weld zoneare still greater than 0.5 , which results in numerous cracks due to stress corrosion.

Keywords: Metal magnetic memory test (MMMT)     nondestructive testing (NDT)     residual stress     propylene purifier     ammonia    

evolutive mode-I and mode-II fracture behavior of fiber-reinforced cemented paste backfill: Effect of curingtemperature and curing time

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-022-0924-z

Abstract: The curing temperature-dependent cement hydration causes the nonlinear evolution of fracture behaviorTherefore, the coupled effect of curing temperature (20, 35, and 45 °C) and cement hydration at differentcuring times (3, 7, and 28 d) on the mode-I and mode-II fracture behavior and properties of fiber-reinforced

Keywords: fiber reinforcement     cemented paste backfill     fracture behavior     underground mine     cement hydration    

Title Author Date Type Operation

Multiscale model of micro curing residual stress evolution in carbon fiber-reinforced thermoset polymer

Xinyu HUI, Yingjie XU, Weihong ZHANG

Journal Article

The formation mechanism and the influence factor of residual stress in machining

Zhaoxu QI,Bin LI,Liangshan XIONG

Journal Article

Improved analytical model for residual stress prediction in orthogonal cutting

Zhaoxu QI,Bin LI,Liangshan XIONG

Journal Article

A New Method for Inferencing and Representing a Workpiece Residual Stress Field Using Monitored Deformation

Zhiwei Zhao,Changqing Liu,Yingguang Li,James Gao,

Journal Article

decouple the contributions of friction and plastic deformation to machined surface temperatures and residualstress patterns in finish dry cutting

Subhash ANURAG, Yuebin GUO,

Journal Article

impact analysis and multi-objective optimization design of Mg/Al assembled wheel considering riveting residualstress

Journal Article

Stress corrosion and residual stress of H2S in petrochemical special equipment

Zhang Yiliang,Xu Jinquan,Wang Yuci

Journal Article

An improved algorithm for McDowell’s analytical model of residual stress

Zhaoxu QI,Bin LI,Liangshan XIONG

Journal Article

Influence of welding residual stresses on the ductile crack growth resistance of circumferentially cracked

Xiaobo REN, Odd M. AKSELSEN, B?rd NYHUS, Zhiliang ZHANG

Journal Article

Effects on Residual Stress of Electron Beam Welding of TC4 Al loy by Laser Phase Transformation Treatment

Lu Jinzhong,Zhang Yongkang,Kong Dejun,Ren Xudong,Zou Shikun,Wang Xichang

Journal Article

Study on TA2 Sheet Metal Bending With Thermal Stress Induced by Laser and Its Mechanical Properties

Zhou Yijun,Zhang Yongkang,You Wenming,Yin Chen,Zhang Chengyang

Journal Article

Secondary transfer length and residual prestress of fractured strand in post-tensioned concrete beams

Journal Article

Synthesis of hierarchical nanohybrid CNT@Ni-PS and its applications in enhancing the tribological, curing

Jinian Yang, Yuxuan Xu, Chang Su, Shibin Nie, Zhenyu Li

Journal Article

Application of metal magnetic memory test in failure analysis and safety evaluation of vessels

Yiliang ZHANG, Song YANG, Xuedong XU

Journal Article

evolutive mode-I and mode-II fracture behavior of fiber-reinforced cemented paste backfill: Effect of curingtemperature and curing time

Journal Article