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Measurement of residual stress in disks from turbine-rotor forgings

Investigation reveals that both the Sachs turning-down method and the concentric-ring method provide reliable measurements of tangential residual stress in a steel disk at the bore hole

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Abstract

The Sachs turning-down method and the concentric-ring method have both been used successfully to determine the residual stresses in steel disks. The measurements were made under typical factory conditions.

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Bibliography

  1. Osgood, W. R., “Residual Stresses in Metals and Metal Construction,” Reinhold Publishing Corp., p. 314 (1954).

  2. Sachs, G., “Der Nachweis innerer Spannungen in Stangen und Rohren,”Zeitschrift für Metallkunde, 19, pp.352–357 (1927).

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  3. Bühler, H. andSchreiber, W., “Lückenlose Bestimmung eines Eigenspannungszustandes in metallischen Hohlzylindern,”VDI Zeitschrift, 94, No. 35, p.1148 (1952).

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Authors and Affiliations

  1. General Electric Co., Schenectady, N. Y.

    D. R. Mack

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  1. D. R. Mack
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Mack, D.R. Measurement of residual stress in disks from turbine-rotor forgings. Experimental Mechanics 2, 155–158 (1962). https://doi.org/10.1007/BF02325761

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  • DOI: https://doi.org/10.1007/BF02325761

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