Cyclic stress–strain response and microstructure evolution of polycrystalline Cu under pure compressive cyclic loading condition

Hsu, Tzu-Yin Jean; Wang, Zhirui

doi:10.1016/j.msea.2014.07.047

Cited by 9 publications

(2 citation statements)

References 29 publications

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“…Zhang and Jiang 74 have reported that oxygen-free high conductivity (OFHC) polycrystalline copper displays cyclic hardening behavior when subjected to straincontrolled cycling. The cyclic-hardening feature of OFHC copper have been discussed by Lamba and Sidebottom, 77 Khan and Jackson, 78 Huang et al, 79 Hsu and Wang, 80 and Marnier et al 81 also, but for either predominantly for strain-controlled, or for stress-controlled conditions. The reported strain-controlled stabilized hysteresis loops with a strain amplitude of 1% for OFHC copper 74 as shown in Figure 6A is considered here to obtain the preliminary estimates for the CIKH model parameters by following the adopted methodology.…”

Section: Cyclic-plastic Response Of Ofhc Copper: Experimental Results...mentioning

confidence: 97%

Estimation of cyclic hardening/softening and ratcheting response of materials through an algorithm to optimize parameters in Chaboche's hardening rule

Nath

Barai

Ray

2022

Fatigue Fract Eng Mat Struct

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A methodology considering Chaboche's isotropic-kinematic hardening (CIKH) model and genetic algorithm optimization technique is examined here to simulate the cyclic-plastic response for materials exhibiting cyclic hardening or softening behavior. The aim of the present report is to illustrate the inherent potential of this approach by assessing the closeness of fit of the obtained predictions to the experimental results for several materials like Z2CND18.12N, and 25CDV4.11 steels, OFHC copper, and INCONEL718 alloy. The obtained results were further subjected to comparative examinations with the available predictions to demonstrate the adoptability of the suggested methodology for the cyclic hardening or softening materials. This proposed approach provides a single set of CIKH model parameters to replicate the stabilized hysteresis loops and cyclic hardening or softening behavior under symmetric strain-controlled loading, as well as ratcheting characteristics under asymmetric stresscontrolled cycling, and is thus generalized in nature.

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Section: Cyclic-plastic Response Of Ofhc Copper: Experimental Results...mentioning

confidence: 97%

Estimation of cyclic hardening/softening and ratcheting response of materials through an algorithm to optimize parameters in Chaboche's hardening rule

Nath

Barai

Ray

2022

Fatigue Fract Eng Mat Struct

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“…Hence, their behavior is critical for the lifetime assessment of the whole structure. As irreversible, plastic deformation is an important issue for copper parts under changing loads, [16][17][18] this research work was carried out to numerically describe the mechanical behavior of thin copper layers in PCBs under cyclic thermal loading.…”

Section: Introductionmentioning

confidence: 99%

Cyclic mechanical behavior of thin layers of copper: A theoretical and numerical study

Fellner

Antretter

Fuchs

et al. 2015

The Journal of Strain Analysis for Engineering Design

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In printed circuit boards, thin copper layers are used as current paths. During the thermal loading of printed circuit boards, stresses arise due to the different coefficients of thermal expansion of the used materials. To be able to model the mechanical behavior of printed circuit boards under cyclic thermal loads, cyclic mechanical tests of thin copper foils under changing tensile and compression loads at different temperatures were conducted. From these experiments, the isotropic and kinematic hardening parameters were determined serving as material input data for a nonlinear isotropic/ kinematic hardening model in the finite element analysis-software Abaqus. The kinematic hardening parameters were fitted in an optimization process. The isotropic hardening variables were determined based on the stress versus plastic strain relationship that was constructed incrementally from the available individual cycles. The so-obtained curve was found to be not unique, but to depend on the loading situation. Hence, different approaches for strain range memorization were evaluated. Since these approaches were developed for modeling strain-controlled tests, whereas the experimental data were obtained in a force-controlled way, a phenomenological formulation was developed and applied. The results of curvature measurements during thermal cycling were used for model validation. The experimental results and the numerical predictions are in good agreement.

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Experimental Study on Uniaxial Strain Cyclic Behavior of GS-20Mn5

et al. 2021

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Cyclic stress–strain response and microstructure evolution of polycrystalline Cu under pure compressive cyclic loading condition

Cited by 9 publications

References 29 publications

Estimation of cyclic hardening/softening and ratcheting response of materials through an algorithm to optimize parameters in Chaboche's hardening rule

Estimation of cyclic hardening/softening and ratcheting response of materials through an algorithm to optimize parameters in Chaboche's hardening rule

Cyclic mechanical behavior of thin layers of copper: A theoretical and numerical study

Experimental Study on Uniaxial Strain Cyclic Behavior of GS-20Mn5

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