Deformation twinning activation of TI-6AL-4V under different loading conditions

M. Chu; J. C F Millett; Y. L. Chiu; I. P. Jones

Deformation twinning activation of TI-6AL-4V under different loading conditions

M. Chu^*, J. C F Millett, Y. L. Chiu, I. P. Jones

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Ti-6Al-4V is the most widespread of titanium alloys and finds use in the aerospace industry in the manufacture of fan blades in jet turbine engines. As such, an understanding of its response to impact loading such as bird strike and foreign object damage is of great importance. In this research, Ti-6Al-4V has been deformed by means of one-dimensional plate impact to stresses of 5 GPa and 10 GPa. The deformation of Ti-6Al-4V with a large colony size has also been studied using a Charpy impact tester with impact energy varying from 10 J to 300 J at both liquid nitrogen temperature and room temperature. The deformation microstructure has been observed using transmission electron microscopy (TEM) in all specimens tested. In addition to TEM observations, the nature of twinning and dislocation slip and their roles in the deformation will be discussed vis-à-vis the literature on the plastic deformation of the alloy.

Original language	English
Title of host publication	TMS 2012 - 141st Annual Meeting and Exhibition, Supplemental Proceedings
Pages	451-456
Number of pages	6
Volume	2
Publication status	Published - 14 May 2012
Event	141st Annual Meeting and Exhibition, TMS 2012 - Orlando, FL, United States Duration: 11 Mar 2012 → 15 Mar 2012

Conference

Conference	141st Annual Meeting and Exhibition, TMS 2012
Country/Territory	United States
City	Orlando, FL
Period	11/03/12 → 15/03/12

Keywords

Deformation
Load
Ti-6Al-4V
Twinning

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys

Cite this

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title = "Deformation twinning activation of TI-6AL-4V under different loading conditions",

abstract = "Ti-6Al-4V is the most widespread of titanium alloys and finds use in the aerospace industry in the manufacture of fan blades in jet turbine engines. As such, an understanding of its response to impact loading such as bird strike and foreign object damage is of great importance. In this research, Ti-6Al-4V has been deformed by means of one-dimensional plate impact to stresses of 5 GPa and 10 GPa. The deformation of Ti-6Al-4V with a large colony size has also been studied using a Charpy impact tester with impact energy varying from 10 J to 300 J at both liquid nitrogen temperature and room temperature. The deformation microstructure has been observed using transmission electron microscopy (TEM) in all specimens tested. In addition to TEM observations, the nature of twinning and dislocation slip and their roles in the deformation will be discussed vis-{\`a}-vis the literature on the plastic deformation of the alloy.",

keywords = "Deformation, Load, Ti-6Al-4V, Twinning",

author = "M. Chu and Millett, {J. C F} and Chiu, {Y. L.} and Jones, {I. P.}",

year = "2012",

month = may,

day = "14",

language = "English",

isbn = "9781118296097",

volume = "2",

pages = "451--456",

booktitle = "TMS 2012 - 141st Annual Meeting and Exhibition, Supplemental Proceedings",

note = "141st Annual Meeting and Exhibition, TMS 2012 ; Conference date: 11-03-2012 Through 15-03-2012",

}

TY - GEN

T1 - Deformation twinning activation of TI-6AL-4V under different loading conditions

AU - Chu, M.

AU - Millett, J. C F

AU - Chiu, Y. L.

AU - Jones, I. P.

PY - 2012/5/14

Y1 - 2012/5/14

N2 - Ti-6Al-4V is the most widespread of titanium alloys and finds use in the aerospace industry in the manufacture of fan blades in jet turbine engines. As such, an understanding of its response to impact loading such as bird strike and foreign object damage is of great importance. In this research, Ti-6Al-4V has been deformed by means of one-dimensional plate impact to stresses of 5 GPa and 10 GPa. The deformation of Ti-6Al-4V with a large colony size has also been studied using a Charpy impact tester with impact energy varying from 10 J to 300 J at both liquid nitrogen temperature and room temperature. The deformation microstructure has been observed using transmission electron microscopy (TEM) in all specimens tested. In addition to TEM observations, the nature of twinning and dislocation slip and their roles in the deformation will be discussed vis-à-vis the literature on the plastic deformation of the alloy.

AB - Ti-6Al-4V is the most widespread of titanium alloys and finds use in the aerospace industry in the manufacture of fan blades in jet turbine engines. As such, an understanding of its response to impact loading such as bird strike and foreign object damage is of great importance. In this research, Ti-6Al-4V has been deformed by means of one-dimensional plate impact to stresses of 5 GPa and 10 GPa. The deformation of Ti-6Al-4V with a large colony size has also been studied using a Charpy impact tester with impact energy varying from 10 J to 300 J at both liquid nitrogen temperature and room temperature. The deformation microstructure has been observed using transmission electron microscopy (TEM) in all specimens tested. In addition to TEM observations, the nature of twinning and dislocation slip and their roles in the deformation will be discussed vis-à-vis the literature on the plastic deformation of the alloy.

KW - Deformation

KW - Load

KW - Ti-6Al-4V

KW - Twinning

UR - http://www.scopus.com/inward/record.url?scp=84860782778&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:84860782778

SN - 9781118296097

VL - 2

SP - 451

EP - 456

BT - TMS 2012 - 141st Annual Meeting and Exhibition, Supplemental Proceedings

T2 - 141st Annual Meeting and Exhibition, TMS 2012

Y2 - 11 March 2012 through 15 March 2012

ER -

Deformation twinning activation of TI-6AL-4V under different loading conditions

Abstract

Conference

Keywords

ASJC Scopus subject areas

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