Mitigating cutting-induced plasticity in the contour method, Part 2: Numerical analysis

Muránsky, O.; Hamelin, C. J.; Hosseinzadeh, F.; Prime, M. B.

doi:10.1016/j.ijsolstr.2015.12.033

Title: Mitigating cutting-induced plasticity in the contour method, Part 2: Numerical analysis

Journal Article · Wed Feb 10 00:00:00 EST 2016 · International Journal of Solids and Structures

DOI:https://doi.org/10.1016/j.ijsolstr.2015.12.033· OSTI ID:1246356

Muránsky, O. ^[1]; Hamelin, C. J. ^[1]; Hosseinzadeh, F. ^[2]; Prime, M. B. ^[3]

ANSTO, Institute of Materials Engineering, NSW (Australia)
Open Univ., Milton Keynes (United Kingdom)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Cutting-induced plasticity can have a significant effect on the measurement accuracy of the contour method. The present study examines the benefit of a double-embedded cutting configuration that relies on self-restraint of the specimen, relative to conventional edge-crack cutting configurations. A series of finite element analyses are used to simulate the planar sectioning performed during double-embedded and conventional edge-crack contour cutting configurations. The results of numerical analyses are first compared to measured results to validate the cutting simulations. The simulations are then used to compare the efficacy of different cutting configurations by predicting the deviation of the residual stress profile from an original (pre-cutting) reference stress field, and the extent of cutting-induced plasticity. Comparisons reveal that while the double-embedded cutting configuration produces the most accurate residual stress measurements, the highest levels of plastic flow are generated in this process. As a result, this cutting-induced plastic deformation is, however, largely confined to small ligaments formed as a consequence of the sample sectioning process, and as such it does not significantly affect the back-calculated residual stress field.

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Research Organization:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC52-06NA25396

OSTI ID:: 1246356

Report Number(s):: LA-UR-15-22292

Journal Information:: International Journal of Solids and Structures, Vol. 6; ISSN 0020-7683

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 18 works

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Effect of elasto-plastic material behaviour on determination of residual stress profiles using the hole drilling method Chupakhin, Sergey; Kashaev, Nikolai; Huber, Norbert The Journal of Strain Analysis for Engineering Design, Vol. 51, Issue 8 https://doi.org/10.1177/0309324716663940	journal	August 2016
A compensation filter method for extracting surface characteristic from an optical point cloud Gong, Chunyuan; Yin, Xianqing; Liang, Jin Measurement Science and Technology, Vol. 31, Issue 2 https://doi.org/10.1088/1361-6501/ab42f0	journal	November 2019
Evaluation of Errors Associated with Cutting-Induced Plasticity in Residual Stress Measurements Using the Contour Method Sun, Y. L.; Roy, M. J.; Vasileiou, A. N. Experimental Mechanics, Vol. 57, Issue 5 https://doi.org/10.1007/s11340-017-0255-5	journal	February 2017

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