Estimation of axisymmetric residual stresses in a long cylinder

Article Abstract:

Radial and axial stress in a long cylinder can be determined from hoop stresses and the crack compliance method. The method involves cutting a ring from a cylinder whose length is more than twice its diameter. Axial cuts are made on the ring and cylinder to get hoop, residual and axial stress. This technique is now applied to calculate radial and axial stress in a water quenched cylinder. Results show that stress values were similar to those calculated from hoop stress measurements.

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Measurement of residual stresses in a circular ring using the successive cracking method

Article Abstract:

K.J. Kang and S.Y. Seol's method of measuring the residual hoop stress in a thick-walled ring by introducing a cut of progressively increasing depth is commendable but various comments have to be clarified. They seem to be unaware that the crack compliance method can also be used for thick-walled cylinders. Also, they failed to distinguish the difference between near surface measurement and through the thickness measurement.

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The computation and measurement of residual stresses in laser deposited layers

Article Abstract:

Laser metal forming is an attractive process for rapid prototype or the rebuilding of worn parts and large tensile stress may arise in layers deposited by laser melting of powder. Residual stresses were computed by numerical simulation and measured using the crack compliance method.

Stress analysis (Engineering), Mechanical properties, Laser materials

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