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RESEARCH PAPERS

Neck-and-Split Tensile Fracture of Anisotropic Plate Steel

[+] Author and Article Information
W. R. Clough

School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Ga.

J. L. Solomon

International Business Machine Corporation, Federal Systems Division, Electronics Systems Center, Owego, N. Y.

J. Basic Eng 91(1), 39-43 (Mar 01, 1969) (5 pages) doi:10.1115/1.3571024 History: Received August 02, 1968; Online November 03, 2011

Abstract

Rolling-direction tensile specimens of 0.31 C quenched and tempered alloy plate steel displayed cup-and-cone, split-layered, neck-and-split, and square-break fracture configurations over distinct temperature ranges as testing temperature was lowered from 300 to −320 F. Formation of the neck-and-split configuration was investigated in terms of stress state, temperature, void formation, and anisotropy. Electron fractography identified quasicleavage as the fracture mode of the initially occurring longitudinal split. The brittle fracture phenomenon resulting in the neck-and-split fracture of plate specimens occurs under a unique combination of conditions.

Copyright © 1969 by ASME
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