Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/17121
Title: Microstructure and phase evolution in laser rapid forming of a functionally graded Ti-Rene88DT alloy
Authors: Lin, X
Yue, TM 
Yang, HO
Huang, WD
Keywords: Functionally graded materials
Laser rapid forming
Nickel alloy
Phase transformations
Titanium alloy
Issue Date: 2006
Source: Acta materialia, 2006, v. 54, no. 7, p. 1901-1915 How to cite?
Journal: Acta Materialia 
Abstract: A graded Ti-Rene88DT superalloy material, which has potential uses in aero engines, was fabricated using laser rapid forming. A continuous compositional gradient from 100 wt.% Ti to 60 wt.% Rene88DT was achieved. The solidification behaviour and phase morphological evolution of the compositionally graded material were investigated. The study showed that a series of phase evolutions along the compositional gradient occurred: α → α + β → α + β + Ti2Ni → β + Ti2Ni → Ti2Ni + TiNi → TiNi. The phase transformation and microstructural evolution along the compositional gradient were analysed by considering the thermodynamic conditions as well as using microstructure selection models based on the maximum interface temperature criterion. The results were summarized in a microstructural selection map for the Ti-Ni system. The hardness value of the graded material was measured along the compositional gradient and the results were explained in terms of the presence of the various phases.
URI: http://hdl.handle.net/10397/17121
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2005.12.019
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

63
Last Week
0
Last month
2
Citations as of Feb 5, 2017

WEB OF SCIENCETM
Citations

50
Last Week
0
Last month
1
Citations as of Feb 20, 2017

Page view(s)

20
Last Week
0
Last month
Checked on Feb 19, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.