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An age hardening model for Al–7Si–Mg casting alloys

An age hardening model for Al–7Si–Mg casting alloys
An age hardening model for Al–7Si–Mg casting alloys
Yield strength (YS) ageing curves have been modelled for A356 and A357 aluminium casting alloys below the solvus temperature of the main hardening precipitate. Predictions are based on the Shercliff and Ashby methodology (Acta Metall. Mater. 38 (1990) 1789) for wrought alloys. Differences between strengthening in wrought and cast Al–Si–Mg alloys are considered. A Brinell hardness to YS conversion incorporating strain hardening has been established to enable YS ageing curves to be predicted with reduced experimental effort.
0921-5093
424-434
Rometsch, P.A.
d42d9026-717d-4374-a7f3-ca8d3192363b
Schaffer, G.B.
0a002ecf-3358-4461-96ae-210865b961b9
Rometsch, P.A.
d42d9026-717d-4374-a7f3-ca8d3192363b
Schaffer, G.B.
0a002ecf-3358-4461-96ae-210865b961b9

Rometsch, P.A. and Schaffer, G.B. (2002) An age hardening model for Al–7Si–Mg casting alloys. Materials Science and Engineering: A, 325 (1-2), 424-434. (doi:10.1016/S0921-5093(01)01479-4).

Record type: Article

Abstract

Yield strength (YS) ageing curves have been modelled for A356 and A357 aluminium casting alloys below the solvus temperature of the main hardening precipitate. Predictions are based on the Shercliff and Ashby methodology (Acta Metall. Mater. 38 (1990) 1789) for wrought alloys. Differences between strengthening in wrought and cast Al–Si–Mg alloys are considered. A Brinell hardness to YS conversion incorporating strain hardening has been established to enable YS ageing curves to be predicted with reduced experimental effort.

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Published date: 2002
Organisations: Engineering Sciences
Learn more about Engineering Sciences research

Identifiers

Local EPrints ID: 22402
URI: http://eprints.soton.ac.uk/id/eprint/22402
DOI: doi:10.1016/S0921-5093(01)01479-4
ISSN: 0921-5093
PURE UUID: b6da08bf-5c73-480a-ad87-320be1e57cd4

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Date deposited: 23 Mar 2006
Last modified: 15 Mar 2024 06:37

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Contributors

Author: P.A. Rometsch
Author: G.B. Schaffer

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