On the determination of the anisotropic plasticity of metal materials by using instrumented indentation

Wu, Jianjun; Zhan, Xuepeng; Guo, Ruichao; He, Fan

doi:10.1016/j.matdes.2016.08.076

Cited by 24 publications

(13 citation statements)

References 38 publications

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“…For the anisotropic materials studied here, the other five R -values are maintained at unity, and only

is varied to simulate the in-plane anisotropic plasticity along the 2, L direction. More details about the anisotropic material model studied here can be found in [ 16 , 18 , 38 ]. The transverse direction is along 1, 3, T axis, and the longitudinal direction is along the 2, L axis.…”

Section: Methodsmentioning

confidence: 99%

“…The stress-strain curve along transverse direction is defined as the reference input amount, and the yield stress along the longitudinal axis is determined by using the relation

. The strain hardening behavior of material is described using the Hollomon hardening law, with a single strain hardening exponent “ n ” for both the longitudinal and transverse directions [ 18 ].…”

Section: Methodsmentioning

confidence: 99%

“…In the nature and synthetic material systems, the anisotropic materials are often observed and widely used in industrial products, such as rolled sheets, composites, extrusions, and so on [ 18 ]. The plastic anisotropy is a very important factor that should be considered in the material design and application stages [ 19 , 20 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

“…The plastic anisotropy is a very important factor that should be considered in the material design and application stages [ 19 , 20 , 21 ]. On the one hand, the plastic anisotropy has non-negligible influence on the final shapes of metal products made by pressure forming, e.g., the in-plane plastic anisotropy is tightly related to the tendency of rolled sheets to form ears during drawing [ 18 , 22 ]. As one example, magnesium alloys have received significant attention in industrial applications because of the excellent physical properties, e.g., light weight/high strength [ 23 , 24 ].…”

Section: Introductionmentioning

confidence: 99%

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A Novel Approach to Estimate the Plastic Anisotropy of Metallic Materials Using Cross-Sectional Indentation Applied to Extruded Magnesium Alloy AZ31B

Zhang

et al. 2017

Materials

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In this paper, a methodology is presented for obtaining the plastic anisotropy of bulk metallic materials using cross-sectional indentation. This method relies on spherical indentation on the free edge of a specimen, and examining the out-of-plane residual deformation contour persisting on the cross-section after unloading. Results obtained from numerical simulation revealed that some important aspects of the out-of-plane residual deformation field are only sensitive to the extent of the material plastic anisotropy, and insensitive to strain hardening, yield strain, elastic anisotropy, and the selected displacement threshold value. An explicit equation is presented to correlate the plastic anisotropy with the characteristic parameter of the bottom shape of residual deformation contour, and it is used to uniquely determine the material plastic anisotropy in cross-sectional indentation. Effectiveness of the proposed method is verified by application on magnesium alloy AZ31B, and the plastic anisotropy parameter obtained from indentation and uniaxial tests show good agreement.

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“…For the anisotropic materials studied here, the other five R -values are maintained at unity, and only

Section: Methodsmentioning

confidence: 99%

“…The stress-strain curve along transverse direction is defined as the reference input amount, and the yield stress along the longitudinal axis is determined by using the relation

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A Novel Approach to Estimate the Plastic Anisotropy of Metallic Materials Using Cross-Sectional Indentation Applied to Extruded Magnesium Alloy AZ31B

Zhang

et al. 2017

Materials

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“…Results showed that the new approach obtained good agreement with experimental data. Wang et al [22], estimated the elastic-plastic properties of metallic materials by using the indentation imprint. They measured the imprint and correlated the imprint with material parameters using mathematical analysis.…”

Section: Introductionmentioning

confidence: 99%

Effect of phase shape and size on the FEM analysis of indentation test of duplex stainless steel microstructures

Dengiz

Yıldızlı

2020

SN Appl. Sci.

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This study presents the effect of modelling the microstructure of duplex stainless steels with different geometric shapes and sizes on the indentation test results. In this study, an indentation test is modelled on duplex stainless steel (DSS) sheets. The actual and simulated microstructures are modelled with finite element program. Actual microstructure is modelled on SEM image of microstructure. In simulated microstructures, the austenite phase is modelled with four different geometric shapes: circle, small square, big square and triangle. While the indentation depth is found to be 25.80 μm experimentally, an average depth of 22.58 μm is reached in the simulations. Also, the effect of microstructures of different phase ratios on indentation behaviour is investigated. When the austenite ratio increases by 13%, it is observed that the indentation depth increases by 2.1% on average. In summary, the actual and simulated microstructures in different shapes and sizes give similar deformation results.

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A review of selected small specimen test techniques for identifying deformation and failure properties of metallic materials

et al. 2022

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On the determination of the anisotropic plasticity of metal materials by using instrumented indentation

Cited by 24 publications

References 38 publications

A Novel Approach to Estimate the Plastic Anisotropy of Metallic Materials Using Cross-Sectional Indentation Applied to Extruded Magnesium Alloy AZ31B

A Novel Approach to Estimate the Plastic Anisotropy of Metallic Materials Using Cross-Sectional Indentation Applied to Extruded Magnesium Alloy AZ31B

Effect of phase shape and size on the FEM analysis of indentation test of duplex stainless steel microstructures

A review of selected small specimen test techniques for identifying deformation and failure properties of metallic materials

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