Internal stresses in an austenoferritic duplex stainless steel

B. Verhaeghe; Y. Brechet; F. Louchet; J. P. Massoud; D. Touzeau

doi:10.1002/pssa.2211530104

Internal stresses in an austenoferritic duplex stainless steel

B. Verhaeghe, Y. Brechet, F. Louchet, J. P. Massoud, D. Touzeau

Research output: Contribution to journal › Article › Research › peer-review

7 Citations (Scopus)

Abstract

Austenoferritic duplex steels possess microstructures containing comparable volume fractions of hard and soft phases which are bipercolated. They are therefore liable to develop large internal stresses during straining. The evolution and the relaxation of these stresses and the occurrence of damage are characterized using Bausehinger tests. Thermally aged and non-aged material behaviour are compared. Plastic flow in the hard phase is shown to be significantly efficient in releaving these internal stresses.

Original language	English
Pages (from-to)	47-56
Number of pages	10
Journal	Physica Status Solidi (A) - Applied Research
Volume	153
Issue number	1
DOIs	https://doi.org/10.1002/pssa.2211530104
Publication status	Published - Jan 1996
Externally published	Yes

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author = "B. Verhaeghe and Y. Brechet and F. Louchet and Massoud, {J. P.} and D. Touzeau",

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AU - Massoud, J. P.

AU - Touzeau, D.

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AB - Austenoferritic duplex steels possess microstructures containing comparable volume fractions of hard and soft phases which are bipercolated. They are therefore liable to develop large internal stresses during straining. The evolution and the relaxation of these stresses and the occurrence of damage are characterized using Bausehinger tests. Thermally aged and non-aged material behaviour are compared. Plastic flow in the hard phase is shown to be significantly efficient in releaving these internal stresses.

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Internal stresses in an austenoferritic duplex stainless steel

Abstract

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