DOI: https://doi.org/10.30544/244335

Effect of Mg contents on the mechanical proprieties and precipitation kinetics in Al–3.3 wt.% Cu alloy

Messaoud Fatmi, A. Ouali, Amar Djemli, Tayeb Chihi, M A Ghebouli, Foudil Sahnoune, B Ghebouli, B Barka

Abstract


The effect of additional Mg on the microstructure, mechanical properties, and transformation kinetics during aging in Al–3.3 wt.% Cu alloy was studied. The compositions and microstructure were examined by X-ray diffraction, Differential scanning calorimetry (DSC) and scanning electron microscope (SEM) with energy dispersive X-ray spectroscopy (EDS). The results show that the Mg in the Al–Cu alloy mainly precipitated to the grain boundaries during the process of transformation and formed a ternary Al2CuMg metallic compound and the rate of discontinuous precipitation reaction decreases with increasing concentration of Mg. The activation energy of crystallization was evaluated by applying the Kissinger equation.


Keywords


Al-Cu-Mg alloys; Discontinuous Precipitation; Activation energy; DSC

Full Text:

HTML/PDF

References


G. B. Brook: Precipitation in Metals, Special Report No. 3, Fulmer Research Institute, UK, 1963.

G. B. Brook, B. A. Hatt: The Mechanisms of Phase Transfer in Crystal Solids, Manchester, Institute of Metals, London, 33, 1969, 82.

S. Schumann, H. Friedrich, Magnesium Alloys 2003, Materials Science Forum, 2003, 51: 419– 422.

L. Schlapbach, A. Zuttel: Nature, 414, 6861 (2001) 353–358. LINK

S. P. Ringer, G. R. Quan, T. Sakurai: J Mater Sci Eng A, 250 (1998) 120–126. LINK

A. Somoza, A. Dupasquier, I. J. Polmear, P. Folegati, R. Ferragut: Phys Rev B, 61 (2000) 14454-14463. LINK

S. C. Wang, M. J. Starink: Acta Materialia, 2007, 55:933–941 LINK

H. Perlitz, A. Westgren: Arkiv Kemi Mineral Geol B, 16 (1943) 1.

S. C. Wang, M. J. Starink: J Mater Sci Eng A, 386 (2004) 156–163. LINK

F. Cuisiat, P. Duval, R. Graf: Scr Metall, 18 (1984) 1051–1056. LINK

L. F. Mondolfo: Aluminum Alloys, 518 (1976).

C. Wolverton: Acta Mater, 49 (2001) 3129–3142. LINK

T. V. Shchegoleva, N. N. Buinov: Soviet physics, crystallography, 12 (1967) 552–555.

H. Liang, T. Kraft, Y. A. Chang: J Mater Sci Eng A, 292 (2000) 96–103. LINK

J. Yan, L. Chunzhi, Y. Minggao, J. C. L. Yan, Y. Minggao: J Mater Sci Lett, 9 (1990) 421–424. LINK

R. K. W. Marceau, C. Qiu, S. P. Ringer, C. R. Hutchinson: J Mater Sci Eng A, 546 (2012) 153–161. LINK

M. J. Starink: Int Mater Rev, 49 (2004) 191-226. LINK

F. Lefebvre, S. Wang, M. J. Starink, I. Sinclair: Mater Sci Forum, 396–402 (2002) 1555.

LINK

S. C. Wang, F. Lefebvre, J. L. Yan, I. Sinclair, M. J. Starink: J Mater Sci Eng A, 431 (2006) 123–136. LINK

H. Lu, P. Kadolkar, K. Nakazawa, T: Ando, C. A. Blue: Metall Mater Trans A, 38 (2007) 2379–2388. LINK

S. C. Wang, M. J. Starink, N. Gao: Scr Mater, 54 (2006) 287–291. LINK

N. Chobaut, D. Carron, J. M. Drezet: J Alloys Compd, 654 (2016) 56–62. LINK

N. Khan, M. J. Starink: Mater Sci Forum, 277 (2006) 519–521. LINK

H. E. Kissinger: Analytical Chemistry, 29 (1957) 1702-1706. LINK

J. L. Yan: Strength Modelling of Al-Cu-Mg Type Alloys, PhD Thesis. University of Southampton; 2006. LINK

J. A. Augis, J. E. Bennett: J Therm Anal Calorim, 13 (1978) 283–292. LINK

I. Manna, S. K. Pabi, W. Gust: Int Mater Rev, 46 (2001) 53–91. LINK

S. C. Wang, M. J. Starink: Int Mater Rev, 50 (2005) 193–215. LINK

D. G. Eskin: Mater Sci Forum, 396, (2002) 917-922. LINK


Refbacks

  • There are currently no refbacks.


Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

Metall Mater Eng   ISSN: 2217-8961

Creative Commons License
Except where otherwise noted, the content on this site is licensed under a Creative Commons Attribution 4.0 International License.