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Modelling of Rolling and Aging Processes in Copper Alloy by Levenberg-Marquardt BP Algorithm

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Advances in Natural Computation (ICNC 2005)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 3611))

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Abstract

Cold rolling is often carried out between the solid solution treatment and aging to assist in the aging hardening of Cu-Cr-Zr lead frame alloys. This paper presents the use of an artificial neural network(ANN) to model the non-linear relationship between parameters of rolling and aging with respect to hardness properties of Cu-Cr-Zr alloy. Based on the Gauss-Newton algorithm, Levenberg-Marquardt algorithm with high stability is deduced. High precision of the model is demonstrated as well as good generalization performance. The results show that the Levenberg-Marquardt(L-M) backpropagation(BP) algorithm of ANN system is effective for predicting and analyzing the hardness properties of Cu-Cr-Zr lead frame alloy.

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References

  1. Ryu, H.J., Baik, H.K.: Effect of thermomechanical treatment on microstructure and properties of Cu-base lead frame alloy. Journal of Materials Science 35, 3641–3646 (2000)

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Author information

Authors and Affiliations

  1. Northwestern Polytechnical University, Xi’an, 710072, China

    Juanhua Su & Hejun Li

  2. Henan University of Science and Technology, Luoyang, 471003, China

    Juanhua Su, Qiming Dong & Ping Liu

Authors
  1. Juanhua Su
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  2. Hejun Li
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  3. Qiming Dong
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  4. Ping Liu
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Editor information

Editors and Affiliations

  1. School of Electrical and Electronic Engineering, Nanyang Technological University, Block S1, Nanyang Avenue, 639798, Singapore

    Lipo Wang

  2. School of Software, Sun Yat-Sen University, 510275, Guangzhou, China

    Ke Chen

  3. School of Computer Engineering, Nanyang Technological University, BLK N4, 2b-39, Nanyang Avenue, 639798, Singapore

    Yew Soon Ong

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© 2005 Springer-Verlag Berlin Heidelberg

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Su, J., Li, H., Dong, Q., Liu, P. (2005). Modelling of Rolling and Aging Processes in Copper Alloy by Levenberg-Marquardt BP Algorithm. In: Wang, L., Chen, K., Ong, Y.S. (eds) Advances in Natural Computation. ICNC 2005. Lecture Notes in Computer Science, vol 3611. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11539117_28

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  • DOI: https://doi.org/10.1007/11539117_28

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-28325-6

  • Online ISBN: 978-3-540-31858-3

  • eBook Packages: Computer ScienceComputer Science (R0)

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