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Microstructure Homogeneity Evaluation for TC11 Blisk Forging Using Loss Function Based on Taguchi Method
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Microstructure Homogeneity Evaluation for TC11 Blisk Forging Using Loss Function Based on Taguchi Method
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    The word “blisk” means that all the blades are integrated with a disk. The application of the blisk is a key technology for improving performance of aero-engines. High quality of the blisk conduces to expand its application. Because of a strong influence of microstructure homogeneity on the quality of blisk, the author gives attention to it. In this paper, a loss function (LF) referring to the concept of Taguchi method was proposed. In the proposed LF, the distribution homogeneity of thermomechanical parameters was employed to evaluate the microstructure homogeneity of TC11 blisk forging. Then, the forging process of the TC11 alloy blisk was analyzed using FEM technique. Based on the FEM simulation results, the microstructure homogeneity of TC11 blisk forging was evaluated. Experiment was performed to verify the proposed method.

    Abstract:

    The word “blisk” means that all the blades are integrated with a disk. The application of the blisk is a key technology for improving performance of aero-engines. High quality of the blisk conduces to expand its application. Because of a strong influence of microstructure homogeneity on the quality of blisk, the author gives attention to it. In this paper, a loss function (LF) referring to the concept of Taguchi method was proposed. In the proposed LF, the distribution homogeneity of thermomechanical parameters was employed to evaluate the microstructure homogeneity of TC11 blisk forging. Then, the forging process of the TC11 alloy blisk was analyzed using FEM technique. Based on the FEM simulation results, the microstructure homogeneity of TC11 blisk forging was evaluated. Experiment was performed to verify the proposed method.

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Yang Yanhui, Liu Dong, Luo Zijian. Microstructure Homogeneity Evaluation for TC11 Blisk Forging Using Loss Function Based on Taguchi Method[J].稀有金屬材料與工程,2011,40(4):565~570.[Yang Yanhui, Liu Dong, Luo Zijian. Microstructure Homogeneity Evaluation for TC11 Blisk Forging Using Loss Function Based on Taguchi Method[J]. Rare Metal Materials and Engineering,2011,40(4):565~570.]
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  • 收稿日期:2010-04-26
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