Paper Title:
Study on Forming Feasibility of AISI-5140 Triple Valve by Multi-Way Loading: From Aspect of Geometric Parameters
  Abstract

Multi-way loading technology provides an efficient method to form integral triple valve parts. However, some forming defects such as cracking and folding are prone to occur, which will weaken the forming limit and quality of formed triple valves. Based on numerical simulation, taking forming load, damage, stress, strain and folding as objectives the forming limit and feasibility were studied by changing geometric dimension of billet and triple valve to be formed. The results showed that (1) for a given billet, as the inner diameter of triple valve increasing, the forming load, maximum damage value, stress and strain increased, i.e. the larger the inner diameter of triple valve the more difficult to form; (2) For triple valves with a given inner-outer diameter ration the maximum damage, maximum stress and strain values increased as triple valve outer diameter decreasing while forming load changed a little. The possibility of folding would augment with the increase of inner-outer diameter ratio d/D, when d/D≥0.8, folding occurred under the forming condition in this paper.

  Info
Periodical
Advanced Materials Research (Volumes 299-300)
Edited by
Jianzhong Wang and Jingang Qi
Pages
982-987
DOI
10.4028/www.scientific.net/AMR.299-300.982
Citation
Z. C. Sun, J. H. Wang, H. Yang, "Study on Forming Feasibility of AISI-5140 Triple Valve by Multi-Way Loading: From Aspect of Geometric Parameters", Advanced Materials Research, Vols. 299-300, pp. 982-987, 2011
Online since
July 2011
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