Global and local mechanical properties and microstructure of bobbin tool friction-stir-welded Al-Li alloy

F. F. Wang; W. Y. Li; J. Shen; Z. H. Zhang; J. L. Li; J. F. Dos Santos

doi:10.1080/13621718.2015.1132128

Global and local mechanical properties and microstructure of bobbin tool friction-stir-welded Al-Li alloy

F. F. Wang
, W. Y. Li
, J. Shen
, Z. H. Zhang
, J. L. Li
, J. F. Dos Santos

材料学院

Northwestern Polytechnical University Xian
Helmholtz-Zentrum Hereon

科研成果: 期刊稿件 › 文章 › 同行评审

28 引用（Scopus）

摘要

AA2198-T851 sheets were welded by bobbin tool friction stir welding using a rotational speed of 800 rpm and welding speed of 42 mm min^-1. The microstructure and precipitates within the joint were characterised by transmission electron microscopy. The global and local mechanical behaviour was determined using a digital image correlation system. Specific attention was given to the relationship between the local microstructure and properties across the joint, which govern the global strength and ductility of the welds. A lower global elongation of the joint is caused by the premature strain localisation in the softened zone.

源语言	英语
页（从-至）	479-483
页数	5
期刊	Science and Technology of Welding and Joining
卷	21
期	6
DOI	https://doi.org/10.1080/13621718.2015.1132128
出版状态	已出版 - 31 3月 2016

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10.1080/13621718.2015.1132128

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title = "Global and local mechanical properties and microstructure of bobbin tool friction-stir-welded Al-Li alloy",

abstract = "AA2198-T851 sheets were welded by bobbin tool friction stir welding using a rotational speed of 800 rpm and welding speed of 42 mm min-1. The microstructure and precipitates within the joint were characterised by transmission electron microscopy. The global and local mechanical behaviour was determined using a digital image correlation system. Specific attention was given to the relationship between the local microstructure and properties across the joint, which govern the global strength and ductility of the welds. A lower global elongation of the joint is caused by the premature strain localisation in the softened zone.",

keywords = "Bobbin tool, Friction stir welding, Mechanical properties, Microstructure, Strain localisation",

author = "Wang, \{F. F.\} and Li, \{W. Y.\} and J. Shen and Zhang, \{Z. H.\} and Li, \{J. L.\} and \{Dos Santos\}, \{J. F.\}",

note = "Publisher Copyright: {\textcopyright} 2016 Institute of Materials, Minerals and Mining Published by Taylor \& Francis on behalf of the Institute.",

year = "2016",

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doi = "10.1080/13621718.2015.1132128",

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TY - JOUR

T1 - Global and local mechanical properties and microstructure of bobbin tool friction-stir-welded Al-Li alloy

AU - Wang, F. F.

AU - Li, W. Y.

AU - Shen, J.

AU - Zhang, Z. H.

AU - Li, J. L.

AU - Dos Santos, J. F.

PY - 2016/3/31

Y1 - 2016/3/31

N2 - AA2198-T851 sheets were welded by bobbin tool friction stir welding using a rotational speed of 800 rpm and welding speed of 42 mm min-1. The microstructure and precipitates within the joint were characterised by transmission electron microscopy. The global and local mechanical behaviour was determined using a digital image correlation system. Specific attention was given to the relationship between the local microstructure and properties across the joint, which govern the global strength and ductility of the welds. A lower global elongation of the joint is caused by the premature strain localisation in the softened zone.

AB - AA2198-T851 sheets were welded by bobbin tool friction stir welding using a rotational speed of 800 rpm and welding speed of 42 mm min-1. The microstructure and precipitates within the joint were characterised by transmission electron microscopy. The global and local mechanical behaviour was determined using a digital image correlation system. Specific attention was given to the relationship between the local microstructure and properties across the joint, which govern the global strength and ductility of the welds. A lower global elongation of the joint is caused by the premature strain localisation in the softened zone.

KW - Bobbin tool

KW - Friction stir welding

KW - Mechanical properties

KW - Microstructure

KW - Strain localisation

UR - https://www.scopus.com/pages/publications/84981210524

U2 - 10.1080/13621718.2015.1132128

DO - 10.1080/13621718.2015.1132128

M3 - 文章

AN - SCOPUS:84981210524

SN - 1362-1718

VL - 21

SP - 479

EP - 483

JO - Science and Technology of Welding and Joining

JF - Science and Technology of Welding and Joining

IS - 6

ER -

Global and local mechanical properties and microstructure of bobbin tool friction-stir-welded Al-Li alloy

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