Characterization of Precipitates in Bend-Age-Formed 2124 Aluminium Alloy

Abstract:

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The precipitates of bending-age-formed ternary Al-4.31Cu-1.51Mg alloy were studied with load of 6.05 kg aged at 190°C. Transmission electron microscopy and electron diffraction has been used to observe the microstructures of the bend-age-formed alloy. The results show that there is no preferential alignment of S phase or GPB zones in the alloys with load compared with that without load. It is interesting to find that the length of S phase is shorter in age-formed sample than that without load. Dislocations generated after loaded can provide enough nucleation sites for the nucleation and growth of S phase.

Info:

Periodical:

Advanced Materials Research (Volumes 194-196)

Edited by:

Jianmin Zeng, Taosen Li, Shaojian Ma, Zhengyi Jiang and Daoguo Yang

Pages:

1275-1279

DOI:

10.4028/www.scientific.net/AMR.194-196.1275

Citation:

L. W. Quan et al., "Characterization of Precipitates in Bend-Age-Formed 2124 Aluminium Alloy", Advanced Materials Research, Vols. 194-196, pp. 1275-1279, 2011

Online since:

February 2011

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$35.00

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