The influence of hydrostatic pressure on the flow stress and ductility of a spherodized 1045 steel

Brownrigg, A.; Spitzig, W. A.; Richmond, O.; Teirlinck, D.; Embury, J. D.

Affiliations

¹BHP, Melbourne, Australia

²U.S. Steel Research Laboratory, Monroeville, Pennsylvania, U.S.A.

³McMaster University, Hamilton, Ontario, Canada L8S 4L8

Abstract

The flow stress of a spheroidized 1045 steel was found to increase linearly with superimposed hydrostatic pressure in accord with published results on other iron-based materials. The nucleation and growth of voids at carbide particles was severely retarded by the superposition of pressure. In tests conducted under constant pressure, the final fracture strain was observed to increase linearly with pressure and the dimple size on the fracture surface to decrease linearly with pressure. Metallographic studies have been performed to determine the influence of pressure on damage accumulation. In interrupted tests where pressure was applied after a prestrain of 0.9 without pressure, the ductility was increased to values similar to those achieved in specimens deformed continuously under pressure.

Links

DOI: 10.1016/0001-6160(83)90176-1

WoS: A1983RD46700001

History

Received: 1983-02-11

Online: 2003-05-2

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Cited By (14)

Year	Entry
2013	Miloud MH, Imad A, Benseddiq N, Bouiadjra BB, Bounif A, Serier B. A numerical analysis of relationship between ductility and nucleation and critical void volume fraction parameters of Gurson–Tvergaard–Needleman model. Proc Inst Mech Eng Part C-J Eng Mech Eng Sci. November 2013;227(11):2634-2646.
2004	Lievers WB, Pilkey AK, Lloyd DJ. Using incremental forming to calibrate a void nucleation model for automotive aluminum sheet alloys. Acta Mater. June 7, 2004;52(10):3001-3007.
1990	Spitzig WA. Effect of hydrostatic pressure on deformation, damage evolution, and fracture of iron with various initial porosities. Acta Metall Mater. August 1990;38(8):1445-1453.
1987	Needleman A. A continuum model for void nucleation by inclusion debonding. J Appl Mech. September 1987;54(3):525-531.
2000	Guillemer-Neel C, Feaugas X, Clavel M. Mechanical behavior and damage kinetics in nodular cast iron, I: damage mechanisms. Metall Mater Trans. December 2000;A31(12):3063-3074.
1985	Spitzig WA, Kelly JF, Richmond O. Quantitative characterization of second-phase populations. Metallography. August 1985;18(3):235-261.
1997	Pilkey AK. Effect of Second-Phase Particle Clustering on Aluminum-Silicon Alloy Sheet Formability [PhD thesis]. Carleton University; July 15, 1997.
1992	Hunt WH Jr. Microstructural Damage Processes in an Aluminum Matrix-Silicon Particle Composite Model System Carnegie Mellon University; October 1992.
2005	Donaldson AG. Modelling the Effect of Surface Roughness on the Localization and Failure Behaviour of AA6111 Sheet [Master's thesis]. Queen's University; April 2005.
2011	Sloan ADC. The Role of Non-Ferritic Phase in the Micro-Void Damage Accumulation and Failure of Dual-Phase Steels [Master's thesis]. Queen's University; September 2011.
2004	Chen Z. The Role of Heterogeneous Particle Distribution in the Prediction of Ductile Fracture [PhD thesis]. University of Waterloo; 2004.
2005	Baradari JG. Damage in Hydroforming of Pre-Bent Aluminum Alloy Tubes [PhD thesis]. University of Waterloo; 2005.
2005	Imbert Boyd JMS. Increased Formability and the Effects of the Tool/sheet Interaction in Electromagnetic Forming of Aluminum Alloy Sheet [Master's thesis]. University of Waterloo; 2005.
2006	Orlov OS. A Three-Dimensional Damage Percolation Model [PhD thesis]. University of Waterloo; 2006.