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Home > Archive>Volume 51, Issue 1, 2022 >306-314. DOI:10.12442/j.issn.1002-185X.20210061
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The Effect of Preheating Temperature on Hot Extrusion Deformation of AgCuOSnO2: Finite Element Simulation and Experimental Study
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Affiliation:

1.Department of Materials Science and Engineering,Kunming University of Science and Technology/ Key Laboratory of Advanced Materials of Yunnan Province/Key Laboratory of Advanced Materials inRare Precious and Nonferrous Metals,Ministry of Education;2.Guilin Key Laboratory of Microelectronic Electrode Materials and Biological Nanomaterials,China Nonferrous Metal Guilin Geology and Mining Co,Ltd

Fund Project:

Key Project of Science and Technology of Yunnan Province

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    Abstract:

    Based on the experimental results, the finite element model was established to study the effect of different preheating temperature on the stress, strain and microstructure of AgCuOSnO2 composites during hot extrusion, and the experimental results were verified by simulation calculations. The results show that the increase of preheating temperature will lead to stress reduction, particle dispersion and metal fluidity enhancement, which is beneficial to reduce the wear depth of the mold, but will weaken the degree of fibrosis of CuO. The temperature gradient appears in both the axial and radial directions, and the temperature change of both shows opposite laws during hot extrusion. The radial temperature difference can be zero by increasing the preheating temperature. At 800 ℃, the billet is heated evenly, the mold wear is small, and cubic CuO can be fully fibrosis. Therefore, it is the ideal preheating temperature for hot extrusion of AgCuOSnO2 composite.

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[ZHOU Xiaolong, LI Jintao, XIONG Aihu, LIU Manmen, WANG Lihui. The Effect of Preheating Temperature on Hot Extrusion Deformation of AgCuOSnO2: Finite Element Simulation and Experimental Study[J]. Rare Metal Materials and Engineering,2022,51(1):306~314.]
DOI：10.12442/j. issn.1002-185X.20210061

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History
  • Received:January 20,2021
  • Revised:May 07,2021
  • Adopted:June 21,2021
  • Online: February 09,2022
  • Published: January 28,2022

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