Creep tests are often performed in four-point bending and the stress distribution in the bending specimen is nonlinear, so creep properties are estimated from bend creep test data. However, getting creep properties from bending creep tests is often doubted because of uncertainties from contact point shift and frictional effect between loading pin and specimen in four-point bending creep tests. Finite element simulations of the four-point bending creep tests were performed with geometric models which include contact conditions. It was found from simulation studies that friction in the bend tests can cause error in the estimation of creep properties, but when no friction was applied in simulations the creep properties were well predicted from bend test data.
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ASME 2003 Pressure Vessels and Piping Conference
July 20–24, 2003
Cleveland, Ohio, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-1699-0
PROCEEDINGS PAPER
A Finite Element Study of Friction Effect in Four-Point Bending Creep Test
Young Suk Kim,
Young Suk Kim
McMaster University, Hamilton, Ontario, Canada
Search for other works by this author on:
Don R. Metzger
Don R. Metzger
McMaster University, Hamilton, Ontario, Canada
Search for other works by this author on:
Young Suk Kim
McMaster University, Hamilton, Ontario, Canada
Don R. Metzger
McMaster University, Hamilton, Ontario, Canada
Paper No:
PVP2003-1894, pp. 99-107; 9 pages
Published Online:
August 13, 2008
Citation
Kim, YS, & Metzger, DR. "A Finite Element Study of Friction Effect in Four-Point Bending Creep Test." Proceedings of the ASME 2003 Pressure Vessels and Piping Conference. Computer Technology and Applications. Cleveland, Ohio, USA. July 20–24, 2003. pp. 99-107. ASME. https://doi.org/10.1115/PVP2003-1894
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