模冲变形对多台阶粉末冶金件成形裂纹的影响研究

doi:10.13228/j.boyuan.issn1006-6543.20150063

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Abstract There are many reasons for forming cracks of multi-steps PM products. The effect of punch deformation on the forming cracks was mainly studied. The different punch has different deformation when forming， which make the products generate cracks. The simple punch deformation can be calculated by Hooke’s law， and when the punch structure is complex， the SolidWorks finite element analysis can be used to calculate the deformation. Under the guidance of Hooke’s law， the deformation difference between punches is reduced by changing the forming process or the punch design， thus the PM products crack is avoided. Hooke’s law is a good guide in design stage to avoid multi-steps PM products forming cracks caused by punch deformation.

Key words： punch deformation multi-steps P/M products cracks SolidWorks finite element analysis Hooke’s law

Received: 29 July 2015 Published: 29 August 2016

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	Articles by authors
	CHEN Li-E
	YU Jian-Bo
	ZENG Jin-Yan
	ZHAO Shan-Jie

Cite this article:

CHEN Li-E,YU Jian-Bo,ZENG Jin-Yan, et al. Study on the influence of punch deformation on forming cracks of multi-steps PM products[J]. , 2016, 26(04): 65-69.

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http://edit.chinamet.cn/Jweb_fmyjgy/EN/10.13228/j.boyuan.issn1006-6543.20150063 OR http://edit.chinamet.cn/Jweb_fmyjgy/EN/Y2016/V26/I04/65