Paper Title:
Numerical Investigation into Movement Behavior of Metal Powder during Hot Isostatic Pressing
  Abstract

Movement behavior of AISI 316L stainless steel powder under hot isostatic pressing (HIP) were investigated using finite element analysis (FEA). The analysis, which was based on the porous metal yield criterion, was carried out in the FEA program. Density distributions, deformations and displacements of compact were discussed. The evolution of displacement for some typical positions in the compact was also studied in this paper. The calculation results show that thermal expansion plays an important role at the early stage of HIP. There are large displacements for powder compact during the ramp stage and the early holding stage in the HIP cycle. Correspondingly, the improvement of densification increases significantly. Simulation results for the shape change and average density of a sample were also compared with experiment.

  Info
Periodical
Materials Science Forum (Volumes 675-677)
Edited by
Yi Tan and Dongying Ju
Pages
913-916
DOI
10.4028/www.scientific.net/MSF.675-677.913
Citation
G. C. Liu, Y. S. Shi, Q. S. Wei, J. W. Wang, "Numerical Investigation into Movement Behavior of Metal Powder during Hot Isostatic Pressing", Materials Science Forum, Vols. 675-677, pp. 913-916, 2011
Online since
February 2011
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$32.00
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