Cu-20%Fe粉末异步轧制有限元模拟及工艺参数影响规律

doi:10.11896/cldb.22090131

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Abstract To investigate the forming law of asymmetrical rolling of copper-iron powder with high iron content, and select reasonable process parameters, the MSC. Marc finite element software was used to create the copper and iron powder rolling finite element model based on the Shima-Oyane yield criterion. The finite element model was verified by experiments. The influence of process parameters such as differential speed ratio, reduction ratio, rolling speed, roller diameter and friction coefficient on the relative density and rolling force of green sheet were analyzed by simulation and rolling experiment. The results show that asymmetric rolling can significantly reduce the rolling force and improve the uniformity of green sheets density distribution compared with powder symmetric rolling. When the reduction ratio and roll diameter are too large, the green sheets suffer edge cracking and roll wrapping relatively, and too low reduction ratio and friction coefficient result in unsmooth forming of the green sheets. The test results agree well with the finite element simulation results. The maximum error of the relative density simulation results is 3.89%, and the maximum error of the rolling force simulation results is 9.49%. The research results have a good reference value for the optimization of asymmetrical rolling forming process of copper-iron powder.

Key words： copper-iron powder asymmetrical rolling finite element simulation relative density rolling force

Published: 10 February 2024 Online: 2024-02-19

CLC number:

TG146.1

Fund:National Natural Science Foundation of China (52075272, 52205386), the Science and Technology Plan of Ningbo City (2019B10100, 2021Z099), and the Provincial Universities Basic Scientific Research Strategy (SJLZ2021002).

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	ZHANG Hongji
	PENG Wenfei
	LI He
	SHAO Yiyu
	Moliar Oleksandr

Cite this article:

ZHANG Hongji,PENG Wenfei,LI He, et al. Finite Element Simulation of Asymmetrical Rolling for Cu-20%Fe Powder and Influence Law of Process Parameters[J]. Materials Reports, 2024, 38(3): 22090131-7.

URL:

http://www.mater-rep.com/EN/10.11896/cldb.22090131 OR http://www.mater-rep.com/EN/Y2024/V38/I3/22090131

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