Abstract
In-solid phase transformation process is simulated by using the phase field model. The modified model which take the coupling effects among the phase field, temperature and stress/strain into account is applied. The main transformation from the original phase A into new phase B, is expressed by the conventional phase field φ and the phase field equations. In order to consider the third phase, an auxiliary variable, which indicates the difference of the phase B1 and B2,is introduced. Simulation result under the condition that shrinkage for B1 and dilatation for B2 occur during the transformation shows that the residual stresses distribution of tension and compression in the B1 and B2 regions, respectively.
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