Paper Title:
Friction Effect in Hot Rolling of Large Rings with Different Sizes
  Abstract

For hot rolling of large rings, the friction between a ring and rolls plays an important role in maintaining the stable forming of the process and quality of ring parts. The reasonable range of friction coefficient is determined analytically based on the stable forming condition, and a reliable coupled thermo-mechanical three-dimensional (3D) finite element (FE) model for the process is developed. The effect of friction on hot rolling of titanium alloy large rings with different sizes are explored, and the results obtained show that as friction coefficient increases, different rings have similar variation law: less metal flows to the axial direction of a ring and the spread distribution at the end plane of a ring becomes more uniform; the strain and temperature distributions tend to be less uniform; rolling force and rolling moment have little change.

  Info
Periodical
Edited by
Zhang Yushu
Pages
487-491
DOI
10.4028/www.scientific.net/AMR.213.487
Citation
M. Wang, "Friction Effect in Hot Rolling of Large Rings with Different Sizes", Advanced Materials Research, Vol. 213, pp. 487-491, 2011
Online since
February 2011
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