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DIVORCED EUTECTOID TRANSFORMATION PROCESS AND PRODUCT OF ULTRAHIGH CARBON STEELS
DIVORCED EUTECTOID TRANSFORMATION PROCESS AND PRODUCT OF ULTRAHIGH CARBON STEELS
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机译:超高碳钢的干式奥氏体转变过程和产物
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摘要
An ultrahigh carbon steel consisting of a structure formed by divorced eutectoid transformation with or without accompanying deformation such that substantially no pearlite is formed, having a fine grained iron matrix stabilized by cementite in spheroidized form. A method for processing the steel including heat treatment and mechanical working to form spheroidized proeutectoid carbide particles then reheating the steel for a time such that the carbon is not uniformly distributed in the austentite so that upon cooling, with or without accompanying deformation, a divorced eutectoid transformation occurs leading to a structure of spheroidized cementite in a fine ferrite grain matrix.
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