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Please use this identifier to cite or link to this item:
http://apo.ansto.gov.au/dspace/handle/10238/3766
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| Title: | Effects of cutting and specimen size on neutron measurement of residual stresses |
| Authors: | Law, M Luzin, V Kirstein, O |
| Keywords: | Samplers Residual Stresses Measuring Methods Deformation Neutron Diffractometers Neutron Diffraction |
| Issue Date: | 16-Dec-2010 |
| Publisher: | Insitute of Physics |
| Citation: | Law, M., Luzin, V., Kirstein, O. (2010). Effects of cutting and specimen size on neutron measurement of residual stresses, Journal of Physics: Conference Series, International Conference on Neutron Scattering 2009, 3th–7th May 2009. Knoxville, Tennessee, USA, 251(1), Art. No. 012044. |
| Abstract: | To perform neutron residual stress measurements it is often necessary to cut samples to a manageable size. The effects of cutting a girth welded pipe were investigated with analytical methods and finite element analysis. The effect of cutting on measured stresses was calculated. A simplified method of modelling residual stresses in welds, "chill modelling", is introduced. In ring slitting a cut is made in the axial direction and the deformation is maeesured. The change in elastic stress can be calculated and added to neutron diffraction measurements made on a cut ring to calculate the original stresses. Residual stress measurements were performed to validate the ring slitting correction using ANSTO's residual stress diffractometer Kowari. © 2010, Insitute of Physics. |
| URI: | http://dx.doi.org/10.1088/1742-6597/251/1/012044 http://apo.ansto.gov.au/dspace/handle/10238/3766 |
| ISSN: | 1742-6597 |
| Appears in Collections: | Conference Publications |
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