Microstructure evolution of friction welded dissimilar joint during subsequent hot work

L. J. Tan; Z. K. Yao; T. Wang; H. Z. Guo; X. Yang

doi:10.1179/1743284710Y.0000000032

Microstructure evolution of friction welded dissimilar joint during subsequent hot work

L. J. Tan, Z. K. Yao, T. Wang, H. Z. Guo, X. Yang

化学与化工学院

科研成果: 期刊稿件 › 文章 › 同行评审

6 引用（Scopus）

摘要

The present paper reports the influence of hot working conditions on the microstructure of Ti₂AlNb/TC11 dissimilar joint. Linear friction welding technique was used to fabricate the joints. The microhardness and tensile properties of the joints have been tested. It was found that the fine structure of linear friction welds underwent abnormal grain growth and abnormal grain boundary phase growth in the post-weld solution heat treated condition. This phenomenon significantly deteriorated the ductility of the joint. After appropriate hot work, abnormal big grains/phases disappeared, and the joint exhibited good tensile properties due to its fine structures.

源语言	英语
页（从-至）	1701-1706
页数	6
期刊	Materials Science and Technology
卷	27
期	11
DOI	https://doi.org/10.1179/1743284710Y.0000000032
出版状态	已出版 - 11月 2011

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10.1179/1743284710Y.0000000032

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title = "Microstructure evolution of friction welded dissimilar joint during subsequent hot work",

abstract = "The present paper reports the influence of hot working conditions on the microstructure of Ti2AlNb/TC11 dissimilar joint. Linear friction welding technique was used to fabricate the joints. The microhardness and tensile properties of the joints have been tested. It was found that the fine structure of linear friction welds underwent abnormal grain growth and abnormal grain boundary phase growth in the post-weld solution heat treated condition. This phenomenon significantly deteriorated the ductility of the joint. After appropriate hot work, abnormal big grains/phases disappeared, and the joint exhibited good tensile properties due to its fine structures.",

keywords = "Isothermal deformation, Linear friction welding, Post-weld heat treatment, Titanium aluminides",

author = "Tan, {L. J.} and Yao, {Z. K.} and T. Wang and Guo, {H. Z.} and X. Yang",

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T1 - Microstructure evolution of friction welded dissimilar joint during subsequent hot work

AU - Tan, L. J.

AU - Yao, Z. K.

AU - Wang, T.

AU - Guo, H. Z.

AU - Yang, X.

PY - 2011/11

Y1 - 2011/11

N2 - The present paper reports the influence of hot working conditions on the microstructure of Ti2AlNb/TC11 dissimilar joint. Linear friction welding technique was used to fabricate the joints. The microhardness and tensile properties of the joints have been tested. It was found that the fine structure of linear friction welds underwent abnormal grain growth and abnormal grain boundary phase growth in the post-weld solution heat treated condition. This phenomenon significantly deteriorated the ductility of the joint. After appropriate hot work, abnormal big grains/phases disappeared, and the joint exhibited good tensile properties due to its fine structures.

AB - The present paper reports the influence of hot working conditions on the microstructure of Ti2AlNb/TC11 dissimilar joint. Linear friction welding technique was used to fabricate the joints. The microhardness and tensile properties of the joints have been tested. It was found that the fine structure of linear friction welds underwent abnormal grain growth and abnormal grain boundary phase growth in the post-weld solution heat treated condition. This phenomenon significantly deteriorated the ductility of the joint. After appropriate hot work, abnormal big grains/phases disappeared, and the joint exhibited good tensile properties due to its fine structures.

KW - Isothermal deformation

KW - Linear friction welding

KW - Post-weld heat treatment

KW - Titanium aluminides

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U2 - 10.1179/1743284710Y.0000000032

DO - 10.1179/1743284710Y.0000000032

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SN - 0267-0836

VL - 27

SP - 1701

EP - 1706

JO - Materials Science and Technology

JF - Materials Science and Technology

IS - 11

ER -

Microstructure evolution of friction welded dissimilar joint during subsequent hot work

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