Influence of residual stress on thermal expansion behavior

X. L. Wang; C. M. Hoffmann; C. H. Hsueh; G. Sarma; C. R. Hubbard; J. R. Keiser

doi:10.1063/1.125329

Influence of residual stress on thermal expansion behavior

X. L. Wang, C. M. Hoffmann, C. H. Hsueh, G. Sarma, C. R. Hubbard, J. R. Keiser

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Abstract

We demonstrate that the thermal expansion behavior of a material can be substantially modified by the presence of residual stresses. In the case of a composite tube made of two layers of dissimilar steels, in situ neutron diffraction measurements revealed a significant difference in the coefficients of thermal expansion along the radial and tangential directions. It is shown that the observed difference in thermal expansion is due to the change of residual stresses with temperature.

Original language	English
Pages (from-to)	3294-3296
Number of pages	3
Journal	Applied Physics Letters
Volume	75
Issue number	21
DOIs	https://doi.org/10.1063/1.125329
State	Published - Nov 22 1999

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abstract = "We demonstrate that the thermal expansion behavior of a material can be substantially modified by the presence of residual stresses. In the case of a composite tube made of two layers of dissimilar steels, in situ neutron diffraction measurements revealed a significant difference in the coefficients of thermal expansion along the radial and tangential directions. It is shown that the observed difference in thermal expansion is due to the change of residual stresses with temperature.",

author = "Wang, {X. L.} and Hoffmann, {C. M.} and Hsueh, {C. H.} and G. Sarma and Hubbard, {C. R.} and Keiser, {J. R.}",

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AU - Hoffmann, C. M.

AU - Hsueh, C. H.

AU - Sarma, G.

AU - Hubbard, C. R.

AU - Keiser, J. R.

PY - 1999/11/22

Y1 - 1999/11/22

N2 - We demonstrate that the thermal expansion behavior of a material can be substantially modified by the presence of residual stresses. In the case of a composite tube made of two layers of dissimilar steels, in situ neutron diffraction measurements revealed a significant difference in the coefficients of thermal expansion along the radial and tangential directions. It is shown that the observed difference in thermal expansion is due to the change of residual stresses with temperature.

AB - We demonstrate that the thermal expansion behavior of a material can be substantially modified by the presence of residual stresses. In the case of a composite tube made of two layers of dissimilar steels, in situ neutron diffraction measurements revealed a significant difference in the coefficients of thermal expansion along the radial and tangential directions. It is shown that the observed difference in thermal expansion is due to the change of residual stresses with temperature.

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JO - Applied Physics Letters

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Influence of residual stress on thermal expansion behavior

Abstract

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