Paper Title:
Influence of Heat Treatment on Microstructures and Textures of Hot-Extruded Ni47Ti44Nb9 Shape Memory Alloy Tubes
  Abstract

Microstructures and textures of the hot forged bar and hot-extruded tubes of Ni47Ti44Nb9 alloy as well as influence of heat treatment on them were studied in order to obtain a desired preferred orientation along the tube radial direction. The results show that B2 phase in hot-extruded tubes has a fine fibred shape and the main texture components are close to γ-fibre. Many fine recrystallized grains are formed for tubes heat treated at 600°C and γ-fibre is enhanced, which is beneficial to improving shape memory performances along the tube radial direction. Grain growth occurs at 850°C, and strong texture components deviate from γ-fibre.

  Info
Periodical
Edited by
Zeng Zhu
Pages
286-290
DOI
10.4028/www.scientific.net/AMR.214.286
Citation
Y. Yan, W. Jin, X. W. Li, "Influence of Heat Treatment on Microstructures and Textures of Hot-Extruded Ni47Ti44Nb9 Shape Memory Alloy Tubes", Advanced Materials Research, Vol. 214, pp. 286-290, 2011
Online since
February 2011
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