Abstract
The residual stresses induced in a quenched flat plate are measured experimentally. A flat plate approximating the theoretical infinite flat plate, after being heated to a uniform temperature, is quenched uniformly from both sides in order to cause a residualstress distribution. The residual stresses are obtained by successively grinding the plate on one side and measuring the resulting strains on the opposite side. Experiments are performed on plates experiencing no phase transformation—316 stainless steel. Comparison of results is made with the predicted stress distributions from the analysis of Landau and Weiner, which is derived from the time-temperature history of the plate during its quench.
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Abbreviations
- E :
-
Young's modulus, psi
- u :
-
depth of cut, in
- S, σ :
-
stress, psi
- ε:
-
strain, in./in.
- α:
-
depth of plate under consideration, in.
- ν:
-
Poisson's ratio
- a :
-
axial
- b :
-
rear of plate
- m :
-
moment
- t :
-
upper surface of plate
- α:
-
depth of plate under consideration
- X, Y :
-
orthogonal directions in plane of plate
- u :
-
depth of cut
References
Lynch, J. J., “The Measurement of Residual Stresses,” Residual Stress Measurements. ASM (1952).
Treuting, R. G., andRead, W. F., Jr., “A Mechanical Determination of Biaxial Residual Stress in Sheet Materials,”Jnl. Appl. Physics,22 (2),130–134 (1951).
Rosenthal, D., and Norton, J. T., “A Method of Measuring Triaxial Residual Stress in Plates,” Am. Weld. Jnl., 295x–307x (1945).
Landau, H. G., andWeiner, J. H., “Transient and Residual Stresses in Heat Treated Plates,”Jnl. Appl. Mech.,25 (4),450–465 (December 1958).
Weiner, J. H., “An Elastoplastic Thermal-Stress Analysis of a Free Plate,”Ibid.,23 (3),395–402 (September 1956).
Zwicky, E. E., General Electric internal mem., “Residual Stresses in Quenched Plates,” (Feb. 2, 1959).
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F. O. Rathbun, Jr. (deceased) was Mechanical Engineer
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Rathbun, F.O., Coffin, L.F. An experimental investigation of residual stress in quenched flat plates. Experimental Mechanics 6, 519–527 (1966). https://doi.org/10.1007/BF02326525
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DOI: https://doi.org/10.1007/BF02326525