Direct observations of the formation and growth of austenite from pearlite and allotriomorphic ferrite in a C–Mn steel arc weld

T.A Palmer,J.W Elmer

doi:10.1016/j.scriptamat.2005.04.050

Direct observations of the formation and growth of austenite from pearlite and allotriomorphic ferrite in a C–Mn steel arc weld

T.A Palmer, J.W Elmer

https://doi.org/10.1016/j.scriptamat.2005.04.050

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Journal: Scripta materialia	Publication Date: May 25, 2005
Citations: 19

Affiliation: Lawrence Livermore National Laboratory

#Formation Of Austenite #Growth Of Austenite + Show 8 more

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Abstract

Abstract The formation and homogenization of austenite from ferrite and pearlite are directly observed in the heat affected zone of a 1045 C–Mn steel arc weld. With rapid heating, cementite does not completely dissolve before the base metal ferrite is transformed, and a second austenite constituent forms. These two austenite constituents exist up to 1400 °C before a single homogeneous austenite phase is produced.

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