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Estimating Strength Properties of Heat Treated Parts
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English
Abstract
The hardenability of steel and the type of heat treatment determine the hardness variations from the surface to the center. Since the strength of steel is directly related to the hardness, values of ultimate strength, yield point, and fatigue limit can be estimated both for the surface and points below the surface from measured
hardness values. With the strength properties determined, the load at which yielding will begin can be estimated. S-N curves can also be constructed for failure originating at the surface and below the surface. Applications of the method to through hardened, induction hardened, and case hardened machine components are demonstrated.
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Citation
Hopkins, R., "Estimating Strength Properties of Heat Treated Parts," SAE Technical Paper 760409, 1976, https://doi.org/10.4271/760409.Also In
References
- Hopkins R. Bruce “Adapting Material Data to Design.” SAE Paper No. 700557 1970
- “SAE Handbook,” Society of Automobiles Engineers, Inc. Warrendale, PA. 15096 1975
- Moore H. F. “A Study of Size Effect and Notch Sensitivity in Fatigue Tests of Steel.” Proc. ASTM 45 1945 507 521