Microstructure and fracture behaviour of Ti3Al/TC4 dissimilar materials joints welded by electron beam

H. T. Zhang; H. Y. Zhao; W. X. He

doi:10.1007/s12034-011-0148-7

Microstructure and fracture behaviour of Ti₃Al/TC4 dissimilar materials joints welded by electron beam

H. T. Zhang
, H. Y. Zhao
, W. X. He

School of Materials Science and Engineering, Harbin Institute of Technology Weihai

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Electron beam was used to join TC4 alloy to Ti₃Al-based alloy. The composition of the weld was analysed by XRD and TEM and the results showed that the weld mainly composed of α′ martensites. The change of heat input had little influence on the composition of the weld but can make the grain size increasing. The fracture path of the joints was mainly decided by the microstructure of the weld and started from coarse grain zone to HAZ and base metal of Ti3Al alloy.

Original language	English
Pages (from-to)	707-711
Number of pages	5
Journal	Bulletin of Materials Science
Volume	33
Issue number	6
DOIs	https://doi.org/10.1007/s12034-011-0148-7
State	Published - Dec 2010
Externally published	Yes

Keywords

Dissimilar materials joint
Electron beam welding
Fracture behaviour
Microstructure

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10.1007/s12034-011-0148-7

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title = "Microstructure and fracture behaviour of Ti3Al/TC4 dissimilar materials joints welded by electron beam",

abstract = "Electron beam was used to join TC4 alloy to Ti3Al-based alloy. The composition of the weld was analysed by XRD and TEM and the results showed that the weld mainly composed of α′ martensites. The change of heat input had little influence on the composition of the weld but can make the grain size increasing. The fracture path of the joints was mainly decided by the microstructure of the weld and started from coarse grain zone to HAZ and base metal of Ti3Al alloy.",

keywords = "Dissimilar materials joint, Electron beam welding, Fracture behaviour, Microstructure",

author = "Zhang, \{H. T.\} and Zhao, \{H. Y.\} and He, \{W. X.\}",

year = "2010",

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doi = "10.1007/s12034-011-0148-7",

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T1 - Microstructure and fracture behaviour of Ti3Al/TC4 dissimilar materials joints welded by electron beam

AU - Zhang, H. T.

AU - Zhao, H. Y.

AU - He, W. X.

PY - 2010/12

Y1 - 2010/12

N2 - Electron beam was used to join TC4 alloy to Ti3Al-based alloy. The composition of the weld was analysed by XRD and TEM and the results showed that the weld mainly composed of α′ martensites. The change of heat input had little influence on the composition of the weld but can make the grain size increasing. The fracture path of the joints was mainly decided by the microstructure of the weld and started from coarse grain zone to HAZ and base metal of Ti3Al alloy.

AB - Electron beam was used to join TC4 alloy to Ti3Al-based alloy. The composition of the weld was analysed by XRD and TEM and the results showed that the weld mainly composed of α′ martensites. The change of heat input had little influence on the composition of the weld but can make the grain size increasing. The fracture path of the joints was mainly decided by the microstructure of the weld and started from coarse grain zone to HAZ and base metal of Ti3Al alloy.

KW - Dissimilar materials joint

KW - Electron beam welding

KW - Fracture behaviour

KW - Microstructure

UR - https://www.scopus.com/pages/publications/79952321773

U2 - 10.1007/s12034-011-0148-7

DO - 10.1007/s12034-011-0148-7

M3 - 文章

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SN - 0250-4707

VL - 33

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EP - 711

JO - Bulletin of Materials Science

JF - Bulletin of Materials Science

IS - 6

ER -

Microstructure and fracture behaviour of Ti₃Al/TC4 dissimilar materials joints welded by electron beam

Abstract

Keywords

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