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Rev Sci Instrum. 2013 May;84(5):053903. doi: 10.1063/1.4804159.

Numerical simulation and experiment on multilayer stagger-split die.

Author information

1
Dieless Forming Technology Center, Jilin University, Changchun 130025, China.

Abstract

A novel ultra-high pressure device, multilayer stagger-split die, has been constructed based on the principle of "dividing dies before cracking." Multilayer stagger-split die includes an encircling ring and multilayer assemblages, and the mating surfaces of the multilayer assemblages are mutually staggered between adjacent layers. In this paper, we investigated the stressing features of this structure through finite element techniques, and the results were compared with those of the belt type die and single split die. The contrast experiments were also carried out to test the bearing pressure performance of multilayer stagger-split die. It is concluded that the stress distributions are reasonable and the materials are utilized effectively for multilayer stagger-split die. And experiments indicate that the multilayer stagger-split die can bear the greatest pressure.

PMID:
23742562
DOI:
10.1063/1.4804159

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