Mathematical Modelling of Weld Phenomena, eds H. Cerjak, H. Bhadeshia, Institute of Materials, London,
1995, pp. 71-118
1995, pp. 71-118
Possible E ects of Stress on Steel Weld Microstructures
H. K. D. H. Bhadeshia
University of Cambridge
Materials Science and Metallurgy
Pembroke Street, Cambridge CB2 3QZ, U. K.
www.msm.cam.ac.uk/phase-trans
University of Cambridge
Materials Science and Metallurgy
Pembroke Street, Cambridge CB2 3QZ, U. K.
www.msm.cam.ac.uk/phase-trans
Abstract.
Little is known about the e ect of stress on the development of microstructure in steel welds. This paper contains an assessment of published data together with a description of the theory that is available for dealing with stress{a ected transformations in steels. Attention is focused on those transformations which have the greatest potential for interaction with an externally applied stress. These include the solid{state transformation products of austenite, such as Widmanstatten ferrite, acicular ferrite, bainite and martensite.
Little is known about the e ect of stress on the development of microstructure in steel welds. This paper contains an assessment of published data together with a description of the theory that is available for dealing with stress{a ected transformations in steels. Attention is focused on those transformations which have the greatest potential for interaction with an externally applied stress. These include the solid{state transformation products of austenite, such as Widmanstatten ferrite, acicular ferrite, bainite and martensite.
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