Characteristics of Crack Failure

  • Reinier BeeuwkesJr.
Part of the Sagamore Army Materials Research Conference Proceedings book series (SAMC, volume 14)


Part I describes plane strain yielding, stresses and fracture about notches and cracks in terms of flow and fracture stresses and crack tip radii and, using generally appropriate dimensionless variables, it presents a graph of sub-surface fracture loci and a Table (I) from which notch and crack failure can be computed.

Part II, which may be read independently of I, employs the table, a definition of fracture stress, a very simple postulate of invariance of a fracture stress parameter, and the yield strength to compute fracture toughness as a function of test temperature, tempering temperature, and strain-rate, for comparison with corresponding examples from the experimental work of others, as a demonstration of the utility of the approach.


Yield Strength Test Temperature Fracture Stress Lower Yield Point Crack Failure 
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  1. 1.
    Shoemaker, A. K., and Rolfe, S. T., “Static and Dynamic Low-Temperature K lc Behavior of Steels,” U.S.S. Applied Research Laboratory Report No. 39-018-007 (16) (a-ORD-NP-2) (B-63102-1).Google Scholar
  2. 2.
    Clausing, D. P., “Tensile Properties of Eight Structural Steels,” U.S.S. Applied Research Laboratory Report No. 39-018-007 (19) (a-ORD-NP-2) (B-63102-2), Jan. 1, 1968.Google Scholar
  3. 3.
    Birkle, A. J., Wei, R. P., and Pellissier, G. E., “Analysis of Plane Strain Fracture in a Series of 0.45C-Ni-Cr-Mo Steel with Different Sulfur Contents,” ASM Trans. Quar. 59, No. 4, 981 (Dec. 1966).Google Scholar
  4. 4.
    Beeuwkes, R. Jr., “Plasticity and Fracture,” Proceedings of the Third Sagamore Ordnance Materials Research Conference, pp. 89–153, 5–7 Dec. 1956.Google Scholar

Copyright information

© Syracuse University Press Syracuse, New York 1968

Authors and Affiliations

  • Reinier BeeuwkesJr.
    • 1
  1. 1.Army Materials and Mechanics Research CenterWatertownUSA

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