Paper Title:
High Energy Shot Peening of Commercially Pure Titanium TIG Weld Joint
  Abstract

Commercially pure Titanium (CP-Ti) TIG weld joint was treated by means of high energy shot peening (HESP) using a shot peening equipment commonly used in industry. The nanostructured surface layer was characterized by XRD, TEM, SEM and Microhardometer. The results showed that surface nanocrystallization of CP-Ti TIG weld joint were realized by high energy shot peening treatment. The finest grain size in the top surface layer is about 40nm. The hardness of the surface layer is enhanced significantly after shot peening compared with that of the as-welded joint, which resulted in a remarkable surface hardening effect. Surface welded defects such as air pores are eliminated successfully so that relative uniform surface layer was obtained.

  Info
Periodical
Advanced Materials Research (Volumes 148-149)
Edited by
Xianghua Liu, Zhengyi Jiang and Jingtao Han
Pages
659-663
DOI
10.4028/www.scientific.net/AMR.148-149.659
Citation
C. H. Chen, R. M. Ren, "High Energy Shot Peening of Commercially Pure Titanium TIG Weld Joint", Advanced Materials Research, Vols. 148-149, pp. 659-663, 2011
Online since
October 2010
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Price
$32.00
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