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  • Residual stresses due to processing of composite tubes
    Wang, Xun-Li ...
    X-ray and neutron diffraction were used to characterize residual stresses in composite tubing of a corrosion-resistant clad alloy on carbon steel. A useful X-ray method, based on the measurement of ... the fcc reflection using the Cr K-beta [below] radiation, was developed which allowed precise determination of surface residual stresses in the textured clad layer. Neutron diffraction measurements were carried out in both the carbon steel core and the clad layer, using the bcc and fcc reflections, respectively. The neutron diffraction results are consistent with surface residual stresses determined with X-ray diffraction. However, the through-thickness stress profiles established by X-ray and neutron diffraction do not agree with elastic calculations based on the thermal expansion mismatch between the carbon steel and clad alloy. The differencies between the calculation and experimental results are discussed.
    Type of material - conference contribution
    Publish date - 1997
    Language - english
    COBISS.SI-ID - 380097