Paper Title:
Texture Analysis of Commercial Pure (Grade 3) Ti after Two-Step Severe Plastic Deformation
  Abstract

Ultrafine-grained (UFG) commercial pure (CP, grade 3) Ti was produced by two-step severe plastic deformation (eight-pass equal channel angular extrusion (ECAE) at 400 °C and cold rolling (CR) at room temperature (RT)). The crystallographic texture in UFG CP-Ti and coarse-grained (CG) CP-Ti (annealed) after CR at RT are studied by orientation distribution function (ODF) analysis, based on X-ray diffraction. The relationship between the texture components and mechanical properties of UFG CP-Ti after two-step severe plastic deformation (SPD) has been discussed. ODF analysis shows that the main texture components in UFG Ti after CR at RT are (011—5)[11— 01], (011—5)[22—01], (0001)[1—3—43] and (011—3)[21—1—1], while the texture components of (011—3)[1—101—] and (011— 3)[2— 201] appear in CG CP-Ti after CR at RT. The values of Schmid factor for prismatic- slip systems are larger than that for basal slip systems and other slip systems, which is more in favor of the activation of prismatic-. In addition, higher strength of texture in favor of the activation of prismatic- in UFG CP-Ti improves its plasticity.

  Info
Periodical
Edited by
Jing Tao Wang
Pages
65-70
DOI
10.4028/www.scientific.net/MSF.682.65
Citation
H. Jiang, C. Y. Xie, J. Song, X. G. Sun, X. N. Zhang, "Texture Analysis of Commercial Pure (Grade 3) Ti after Two-Step Severe Plastic Deformation", Materials Science Forum, Vol. 682, pp. 65-70, 2011
Online since
March 2011
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