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Microstructure and Mechanical Properties of Laser Treated Aluminium Alloys

Hosson, J. Th. M. / Otterloo, L. / Noordhuis, J.

Abstract Al-Cu alloys and an Al-Cu-Mg alloy, A1 2024-T3, were exposed to laser treatments at various scan velocities. In this paper the microstructural features and mechanical properties are reported. As far as the mechanical property of the Al-Cu-Mg alloy is concerned a striking observation is a minimum in the hardness value at a laser scan velocity of 1/2 cm/s. Usually an increasing hardness with increasing laser scan velocities is reported in the literature. This remarkable property could be explained based on the microstructural features observed by transmission electron microscopy.

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Microstructure and Mechanical Properties of Laser Treated Aluminium Alloys

Hosson, J. Th. M. / Otterloo, L. / Noordhuis, J.

Abstract Al-Cu alloys and an Al-Cu-Mg alloy, A1 2024-T3, were exposed to laser treatments at various scan velocities. In this paper the microstructural features and mechanical properties are reported. As far as the mechanical property of the Al-Cu-Mg alloy is concerned a striking observation is a minimum in the hardness value at a laser scan velocity of 1/2 cm/s. Usually an increasing hardness with increasing laser scan velocities is reported in the literature. This remarkable property could be explained based on the microstructural features observed by transmission electron microscopy.

Microstructure and Mechanical Properties of Laser Treated Aluminium Alloys

Hosson, J. Th. M. / Otterloo, L. / Noordhuis, J.

Abstract Al-Cu alloys and an Al-Cu-Mg alloy, A1 2024-T3, were exposed to laser treatments at various scan velocities. In this paper the microstructural features and mechanical properties are reported. As far as the mechanical property of the Al-Cu-Mg alloy is concerned a striking observation is a minimum in the hardness value at a laser scan velocity of 1/2 cm/s. Usually an increasing hardness with increasing laser scan velocities is reported in the literature. This remarkable property could be explained based on the microstructural features observed by transmission electron microscopy.

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Title:

Microstructure and Mechanical Properties of Laser Treated Aluminium Alloys

Contributors:

Hosson, J. Th. M. (author) / Otterloo, L. (author) / Noordhuis, J. (author)

Published in:

Laser Processing: Surface Treatment and Film Deposition ; 511-527

NATO ASI Series ; 307

Publication date:

1996-01-01

Size:

17 pages

ISBN:

978-94-009-0197-1 , 978-94-010-6572-6

ISSN:

DOI:

https://doi.org/10.1007/978-94-009-0197-1_26

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Physics , Physics, general , Surfaces and Interfaces, Thin Films , Optics, Lasers, Photonics, Optical Devices , Characterization and Evaluation of Materials

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