Strength-toughness optimisation scenarios through interrupted ageing in AA6061 and AA2024

School of Engineering

Keywords

2xxx alloys, 6xxx alloys, DSC, Interrupted ageing, Precipitation, Strength, Toughness

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Published

Standard

Strength-toughness optimisation scenarios through interrupted ageing in AA6061 and AA2024. / Risanti, D. D.; Rivera-Díaz-del-Castillo, P. E.J.; Van Der Zwaag, S.
Aluminum Alloys: Fabrication, Characterization and Applications - Proceedings of Symposia held during TMS 2008 Annual Meeting and Exhibition. 2008. p. 79-84.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Harvard

Risanti, DD, Rivera-Díaz-del-Castillo, PEJ & Van Der Zwaag, S 2008, Strength-toughness optimisation scenarios through interrupted ageing in AA6061 and AA2024. in Aluminum Alloys: Fabrication, Characterization and Applications - Proceedings of Symposia held during TMS 2008 Annual Meeting and Exhibition. pp. 79-84, 137th TMS Annual Meeting and Exhibition, 2008, New Orleans, LA, United States, 9/03/08.

APA

Risanti, D. D., Rivera-Díaz-del-Castillo, P. E. J., & Van Der Zwaag, S. (2008). Strength-toughness optimisation scenarios through interrupted ageing in AA6061 and AA2024. In Aluminum Alloys: Fabrication, Characterization and Applications - Proceedings of Symposia held during TMS 2008 Annual Meeting and Exhibition (pp. 79-84)

Vancouver

Risanti DD, Rivera-Díaz-del-Castillo PEJ, Van Der Zwaag S. Strength-toughness optimisation scenarios through interrupted ageing in AA6061 and AA2024. In Aluminum Alloys: Fabrication, Characterization and Applications - Proceedings of Symposia held during TMS 2008 Annual Meeting and Exhibition. 2008. p. 79-84

Author

Risanti, D. D. ; Rivera-Díaz-del-Castillo, P. E.J. ; Van Der Zwaag, S. / Strength-toughness optimisation scenarios through interrupted ageing in AA6061 and AA2024. Aluminum Alloys: Fabrication, Characterization and Applications - Proceedings of Symposia held during TMS 2008 Annual Meeting and Exhibition. 2008. pp. 79-84

Bibtex

@inproceedings{4c466d089fd947b2a8885253d4653b34,

title = "Strength-toughness optimisation scenarios through interrupted ageing in AA6061 and AA2024",

abstract = "Aimed at the maximisation of strength-toughness relationships in aluminium alloys, interrupted ageing has been proposed as a means to combine these properties. Such processing schedule initiates with a T6 short underageing (177 °C for up to 1 hour), followed by a dwell period at a lower temperature for periods of up to two weeks, and further re-ageing to the T6 temperature. By combining DSC with hardness, tensile and Kahn-tear testing, the present work studies several heat treatment scenarios and their impact in the strengthtoughness improvements in AA6061 and AA2024. The dwell temperature of 65 °C results in a hardness increase whereas interruption at room temperature decreases it in comparison to the standard T6. In AA2024, interruption at room temperature leads to the formation of GPB2 zones. The strength-toughness behaviour for the different heat treatment scenarios is presented.",

keywords = "2xxx alloys, 6xxx alloys, DSC, Interrupted ageing, Precipitation, Strength, Toughness",

author = "Risanti, {D. D.} and Rivera-D{\'i}az-del-Castillo, {P. E.J.} and {Van Der Zwaag}, S.",

year = "2008",

language = "English",

pages = "79--84",

booktitle = "Aluminum Alloys",

note = "137th TMS Annual Meeting and Exhibition, 2008 ; Conference date: 09-03-2008 Through 13-03-2008",

}

RIS

TY - GEN

T1 - Strength-toughness optimisation scenarios through interrupted ageing in AA6061 and AA2024

AU - Risanti, D. D.

AU - Rivera-Díaz-del-Castillo, P. E.J.

AU - Van Der Zwaag, S.

PY - 2008

Y1 - 2008

N2 - Aimed at the maximisation of strength-toughness relationships in aluminium alloys, interrupted ageing has been proposed as a means to combine these properties. Such processing schedule initiates with a T6 short underageing (177 °C for up to 1 hour), followed by a dwell period at a lower temperature for periods of up to two weeks, and further re-ageing to the T6 temperature. By combining DSC with hardness, tensile and Kahn-tear testing, the present work studies several heat treatment scenarios and their impact in the strengthtoughness improvements in AA6061 and AA2024. The dwell temperature of 65 °C results in a hardness increase whereas interruption at room temperature decreases it in comparison to the standard T6. In AA2024, interruption at room temperature leads to the formation of GPB2 zones. The strength-toughness behaviour for the different heat treatment scenarios is presented.

AB - Aimed at the maximisation of strength-toughness relationships in aluminium alloys, interrupted ageing has been proposed as a means to combine these properties. Such processing schedule initiates with a T6 short underageing (177 °C for up to 1 hour), followed by a dwell period at a lower temperature for periods of up to two weeks, and further re-ageing to the T6 temperature. By combining DSC with hardness, tensile and Kahn-tear testing, the present work studies several heat treatment scenarios and their impact in the strengthtoughness improvements in AA6061 and AA2024. The dwell temperature of 65 °C results in a hardness increase whereas interruption at room temperature decreases it in comparison to the standard T6. In AA2024, interruption at room temperature leads to the formation of GPB2 zones. The strength-toughness behaviour for the different heat treatment scenarios is presented.

KW - 2xxx alloys

KW - 6xxx alloys

KW - DSC

KW - Interrupted ageing

KW - Precipitation

KW - Strength

KW - Toughness

M3 - Conference contribution/Paper

AN - SCOPUS:51749111437

SP - 79

EP - 84

BT - Aluminum Alloys

T2 - 137th TMS Annual Meeting and Exhibition, 2008

Y2 - 9 March 2008 through 13 March 2008

ER -

Research

Keywords