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FUNDAMENTAL ACHIEVEMENTS OF THE DYNAMIC THEORY OF RECONSTRUCTIVE MARTENSITIC TRANSFORMATIONS

机译:可重构马氏体转变动力学理论的基本成就

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摘要

Basic directions in the theory of martensitic transformations are specified. Instances of solving several important problems in the context of dynamic theory of reconstructive martensitic transformations are reviewed. An fcc-bcc (bct) transformation in iron alloys is referred to as example. Much attention is given to certain concept-affiliated aspects, to particular, the key role of the concept of initial exited state in conceiving transformations with crystal growth at supersonic speed is shown. An additional emphasis is made at showing that this concept is of primary importance in both calculating critical rates of austenite cooling and evaluating the scale of incubation-period-related times at bainitic transformation.
机译:规定了马氏体转变理论的基本方向。回顾了在马氏体相变动力学理论中解决几个重要问题的实例。铁合金中的fcc-bcc(bct)转变被称为示例。人们对与概念相关的某些方面给予了极大的关注,特别是,初始出射态的概念在设想以超音速进行晶体生长的转变中发挥了关键作用。在显示该概念时最重要的一点是,在计算奥氏体冷却的临界速率和评估贝氏体转变时与潜伏期有关的时间尺度方面,这一概念都至关重要。

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