Friction stir welding parameters: A tool for controlling abnormal grain growth during subsequent heat treatment

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Friction stir welding parameters : A tool for controlling abnormal grain growth during subsequent heat treatment. / Attallah, Moataz M.; Salem, Hanadi G.

In: Materials Science and Engineering A, Vol. 391, No. 1-2, 25.01.2005, p. 51-59.

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@article{9dcfaa7552d04dac9246b1daea20dfb4,
title = "Friction stir welding parameters: A tool for controlling abnormal grain growth during subsequent heat treatment",
abstract = "Recent investigations showed that the fine weld nugget grain structure of friction stir welds (FSW) undergoes abnormal grain growth (AGG) in the post-weld solution heat-treated condition. This significantly deteriorates the strength of FSW of high-strength heat-treatable Al-alloys. In the current research, various welds of AA2095 sheets were prepared by manipulating the FSW parameters, and subsequently heat-treated to investigate the influence of the process parameters (feed rate and tool rotation speed) on the extent of AGG. Characterization of the microstructure and tensile properties revealed that the tool rotational speed and the feed rate appreciably affect the extent of AGG. The higher the rotation speed the lower the AGG at low-to-intermediate feed rates.",
keywords = "Abnormal grain growth, Friction stir welding, Post-weld heat treatment, Room temperature tensile properties",
author = "Attallah, {Moataz M.} and Salem, {Hanadi G.}",
year = "2005",
month = jan,
day = "25",
doi = "10.1016/j.msea.2004.08.059",
language = "English",
volume = "391",
pages = "51--59",
journal = "Materials Science and Engineering A",
issn = "0921-5093",
publisher = "Elsevier",
number = "1-2",

}

RIS

TY - JOUR

T1 - Friction stir welding parameters

T2 - A tool for controlling abnormal grain growth during subsequent heat treatment

AU - Attallah, Moataz M.

AU - Salem, Hanadi G.

PY - 2005/1/25

Y1 - 2005/1/25

N2 - Recent investigations showed that the fine weld nugget grain structure of friction stir welds (FSW) undergoes abnormal grain growth (AGG) in the post-weld solution heat-treated condition. This significantly deteriorates the strength of FSW of high-strength heat-treatable Al-alloys. In the current research, various welds of AA2095 sheets were prepared by manipulating the FSW parameters, and subsequently heat-treated to investigate the influence of the process parameters (feed rate and tool rotation speed) on the extent of AGG. Characterization of the microstructure and tensile properties revealed that the tool rotational speed and the feed rate appreciably affect the extent of AGG. The higher the rotation speed the lower the AGG at low-to-intermediate feed rates.

AB - Recent investigations showed that the fine weld nugget grain structure of friction stir welds (FSW) undergoes abnormal grain growth (AGG) in the post-weld solution heat-treated condition. This significantly deteriorates the strength of FSW of high-strength heat-treatable Al-alloys. In the current research, various welds of AA2095 sheets were prepared by manipulating the FSW parameters, and subsequently heat-treated to investigate the influence of the process parameters (feed rate and tool rotation speed) on the extent of AGG. Characterization of the microstructure and tensile properties revealed that the tool rotational speed and the feed rate appreciably affect the extent of AGG. The higher the rotation speed the lower the AGG at low-to-intermediate feed rates.

KW - Abnormal grain growth

KW - Friction stir welding

KW - Post-weld heat treatment

KW - Room temperature tensile properties

UR - http://www.scopus.com/inward/record.url?scp=11344286074&partnerID=8YFLogxK

U2 - 10.1016/j.msea.2004.08.059

DO - 10.1016/j.msea.2004.08.059

M3 - Article

AN - SCOPUS:11344286074

VL - 391

SP - 51

EP - 59

JO - Materials Science and Engineering A

JF - Materials Science and Engineering A

SN - 0921-5093

IS - 1-2

ER -