Optimization of Vacuum Hybrid Welding Process Parameters for YG8 Cemented Carbide and 42CrMo Steel Using Artificial Neural Networks
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- Sun Wan-chang
- College of Materials Science & Engineering, Xi’an University of Science & Technology
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- Zhang Pei
- College of Materials Science & Engineering, Xi’an University of Science & Technology
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- Wei Han-jun
- College of Materials Science & Engineering, Xi’an University of Science & Technology
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- Miao Chun-yu
- College of Materials Science & Engineering, Xi’an University of Science & Technology
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- Zhao Kun
- College of Materials Science & Engineering, Xi’an University of Science & Technology
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The mechanical properties of the joint of YG8 cemented carbide and 42CrMo steel were studied by using CuZnNi filler metal in the vacuum hybrid welding. The parameters for optimizing the shear strength of joints were selected by orthogonal experiment, mainly including the brazing temperature, brazing time, diffusion temperature, holding time and diffusion pressure. The artificial neural network technique is a very practical tool for predicting the controllable parameters in the non-linear model. BP (Back Propagation) neural network was established under the environment of MATLAB software to simulate and predict designed process parameters. Thus, the optimal parameters were predicted by BP neural network and validated by experiments. The results show that the proposed BP model can obtain a non-linear relationship between the mechanical properties and process parameters. The predicted values are in good agreement with the experiments with the relative error of −0.2458% and the mean square error of 0.052%. The optimal parameters of BP neural network were obtained at brazing temperature (A) of 1045°C, brazing time (B) of 15 min, diffusion temperature (C) of 750°C, holding time (D) of 40 min and diffusion pressure (E) of 8 MPa, and the prepared joints showed the better mechanical properties like glossy surface, no apparent deformation, uniform brazing region and good adhesive interface, etc.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 56 (8), 1179-1185, 2015
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282679229694336
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- NII論文ID
- 130005088954
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 026623564
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可