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运动相界面的耗散结构模型 Dissipative Structure Model of the Moving Boundary

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Author(s): 万见峰 | 陈世朴

Journal: Applied Physics
ISSN 2160-7567

Volume: 02;
Issue: 04;
Start page: 150;
Date: 2012;
Original page

Keywords: 运动相界面 | 耗散结构 | 马氏体 | 逆相变 | Moving Boundary | Dissipative Structure | Martensite | Reverse Phase Transition

ABSTRACT
基于耗散结构原理,我们得到马氏体相变中的运动相界面是耗散结构。具有耗散结构的相界面运动方程可表示为:,其中M ¹ 0,N ¹ 0,。马氏体逆相变中相界面由于运动方向相反,其耗散系数、界面应力与正相变不同,逆相变的相界面运动方程与正相变也有所差异,但逆相变中的运动相界面同样属于能量耗散体系。 Base on the dissipative principles, the moving interface between martensite and parent can be taken as the dissipative structure. The equation of the moving dissipative interface could be expressed as  in which M ¹ 0, N ¹ 0, . Compared with the martensitic transformation, its reverse transition may have some differences such as the direction of interfacial motion, the dissipative coefficient, and the interfacial resistance, which decided a different equation of interfacial motion for the reverse transition. This kind of interface during the reverse transition is still a type of dissipative structure.
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