The influence of specimen size on the surface stress distribution induced by indentation testing
The influence of specimen size on the surface stress distribution induced by indentation testing
The stress state in an elastic cylindrical coupon of finite dimensions on a rigid, frictionless foundation under axisymmetric contact loading is studied. The axisymmetric stress analysis is devoted to an investigation of the effects of the free surfaces of the plate on the surface radial tensile stress field, which is particularly important for an assessment of crack initiation in brittle materials. Attention is focused on cases where the ratio of plate thickness (h) and plate radius (W) to contact radius (a) fall in the range 0.5 < h/a < 10, and 1 < w/a < 5, respectively, which is the region of both experimental and theoretical interest.
1691-1696
Ciavarella, M.
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Demelio, G.
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Monno, G.
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Hills, D.A.
d7ac6eb1-a16e-4a2c-b3ff-86e82cfbf3d6
1997
Ciavarella, M.
d5aa6350-b3d4-4a78-a670-9d78242f58c5
Demelio, G.
cb38aabe-9837-4ab2-aa87-60028fd7b82c
Monno, G.
2ed35922-2947-46b7-9633-9cfd1c9fbe07
Hills, D.A.
d7ac6eb1-a16e-4a2c-b3ff-86e82cfbf3d6
Ciavarella, M., Demelio, G., Monno, G. and Hills, D.A.
(1997)
The influence of specimen size on the surface stress distribution induced by indentation testing.
Journal of the European Ceramic Society, 17 (14), .
(doi:10.1016/S0955-2219(97)00039-3).
Abstract
The stress state in an elastic cylindrical coupon of finite dimensions on a rigid, frictionless foundation under axisymmetric contact loading is studied. The axisymmetric stress analysis is devoted to an investigation of the effects of the free surfaces of the plate on the surface radial tensile stress field, which is particularly important for an assessment of crack initiation in brittle materials. Attention is focused on cases where the ratio of plate thickness (h) and plate radius (W) to contact radius (a) fall in the range 0.5 < h/a < 10, and 1 < w/a < 5, respectively, which is the region of both experimental and theoretical interest.
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Ciav_97.pdf
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Published date: 1997
Identifiers
Local EPrints ID: 23251
URI: http://eprints.soton.ac.uk/id/eprint/23251
ISSN: 0955-2219
PURE UUID: e38e8305-8012-4f78-ba66-94bb2ca7d4ac
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Date deposited: 31 Jan 2007
Last modified: 15 Mar 2024 06:45
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Author:
M. Ciavarella
Author:
G. Demelio
Author:
G. Monno
Author:
D.A. Hills
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