过冷奥氏体在Ar1温度同时析出铁素体和渗碳体或合金碳化物两相构成珠光体组织的扩散型一级相变，称为珠光体转变。
发现外加应力对珠光体转变有显著影响。
It has been found that applied stress has significant influence on pearlite transformation.
钢中珠光体转变属典型的扩散型共析转变。
Pearlitic transformation in steel is a typical diffusion eutectoid transition.
形变还诱发珠光体转变。
Further more, the austenite deformation will induce the pearlitic transformation.
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