2004
DOI: 10.1016/s0167-6636(03)00075-9
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Analysis of indentation of pressure sensitive plastic solids using the expanding cavity model

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Cited by 72 publications
(70 citation statements)
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“…Normalised indentation stress vs. normalised indentation strain curves for different friction angles α by using the DP yield criterion, for PdNiP (adapted from [33]). 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 …”
Section: Discussionmentioning
confidence: 99%
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“…Normalised indentation stress vs. normalised indentation strain curves for different friction angles α by using the DP yield criterion, for PdNiP (adapted from [33]). 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 …”
Section: Discussionmentioning
confidence: 99%
“…We now use these α values to estimate the C variation with temperature. This was done with the aid of the modified expanding cavity model (MECM) proposed by Narasimhan [33], which takes the pressure sensitivity into account. Patnaik et al [7] and Keryvin [8] have shown that MECM captures the experimental trends in normalised indentation stress (ratio of H to Y c ) vs. normalised indentation strain in the elasto-plastic regime of BMGs at room temperature well.…”
Section: Estimation Of the Constraint Factormentioning
confidence: 99%
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“…Expanding cavity models (e.g., [1][2][3]) are frequently used to determine indentation hardness of elastic-plastic materials because of their analytical nature and simplicity. For planar indentations, the existing expanding cavity models (ECMs) are based on Hill's solution for an internally pressurized cylindrical tube of an elastic-perfectly plastic material [4].…”
Section: Introductionmentioning
confidence: 99%
“…Subsequently, R Narasimhan [9] proposed modified ECMs based on the Drucker-Prager yield criterion for the perfect elastic-plastic materials without considering the strain-hardening effect. After that, Gao et al [10] extended ECMs for power law hardening and linear hardening materials.…”
Section: Indentation On Elastic-plastic Materialsmentioning
confidence: 99%