Age-Hardening Precipitates in Cast 319 Aluminum Alloys

Canadian Institute of Mining, Metallurgy and Petroleum

N. Andrade J. E. Gruzleski F. H. Samuel S. Valtierra H. W. Doty

Organization:: Canadian Institute of Mining, Metallurgy and Petroleum
Pages:: 14
File Size:: 1009 KB
Publication Date:: Jan 1, 2006

Abstract

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In this work, the age-hardening behavior of cast Al-Si base alloys was investigated. It was found that multiple aging peaks are present in the age-hardening curves of Al-Si-Cu-Mg alloys. TEM observations reveal that the age-hardening behavior is related to the precipitation sequence of the alloy. For the Al-Si-Cu-Mg alloy, the first aging peak is the result from the high-density GP zones, while the subsequent are from metastable phases. The transition from GP zones to metastable phases may be the main reason of the formation of multiple aging peaks.

Citation

APA: N. Andrade J. E. Gruzleski F. H. Samuel S. Valtierra H. W. Doty (2006) Age-Hardening Precipitates in Cast 319 Aluminum Alloys

MLA: N. Andrade J. E. Gruzleski F. H. Samuel S. Valtierra H. W. Doty Age-Hardening Precipitates in Cast 319 Aluminum Alloys. Canadian Institute of Mining, Metallurgy and Petroleum, 2006.

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