Journal of Alloys and Compounds

Journal: Journal of Alloys and Compounds

Abbreviation

J. alloys compd.

Publisher

Elsevier

ISSN

0925-8388
1873-4669

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Publications 1 - 10 of 79

Experimental study and thermodynamic description of the Au–Cu–Ge system
Jin, Shan; Duarte, Liliana I.; Leinenbach, Christian (2014)
Journal of Alloys and Compounds
New stable decagonal quasicrystal in the system Al-Ir-Os
Steurer, W.; Katrych, S.; Weber, T.; et al. (2007)
Journal of Alloys and Compounds
On the crystal structure of the Mn–Ni–Si G-phase
Yan, Xinlin; Grytsiv, A.; Rogl, P.; et al. (2009)
Journal of Alloys and Compounds
Formation mechanism of Cu2ZnSnSe4 absorber layers during selenization of solution deposited metal precursors
Fella, Carolin M.; Uhl, Alexander R.; Hammond, Ceri; et al. (2013)
Journal of Alloys and Compounds
Liquid ejection temperature dependence of structure and glass transition behavior for rapidly solidified Zr-Al-M (M=Ni, Cu or Co) ternary glassy alloys
Wang, Xue H.; Inoue, Akihisa; Zhao, Jingfeng F.; et al. (2018)
Journal of Alloys and Compounds
Enhanced homogeneous dispersoid precipitation by adding Si and Cr in an Al-Mg-Mn alloy
Gao , Jieming; Wei , Wu; Shi , Wei; et al. (2025)
Journal of Alloys and Compounds
For deformation-strengthened Al-Mg-Mn alloys, regulating the precipitation of Mn-rich dispersoids and ensuring their uniform distribution is conducive to improving recrystallization resistance and mechanical properties. This work investigates the effects of Si, Cr and heat treatment on the formation and distribution of Mn-rich dispersoids inAl - 4.0 wt% Mg - 0.8 wt% Mn alloy, as well as the relationship between microstructure and mechanical properties. The results indicate that the optimal double-stage heat treatment (DH) parameters for the precipitation of Mn-rich dispersoids are 280 °C / 12 h + 375 °C / 48 h. After the triple-stage heat treatment (TH) of 280 °C / 12 h + 375 °C / 48 h + 450 °C / 12 h, the area fraction of dispersoids free zone (DFZ) in 0.1 wt% Si alloy was significantly reduced compared to the base alloy. However, further increasing the Si content does not significantly reduce the DFZ, which is due to the consumption of a part of Si by the Mg2Si primary phase and the micro-segregation of Si in the as-cast alloy (the equilibrium distribution coefficient of Si is much less than 1). In the alloy containing 0.2 wt% Si and 0.2 wt% Cr, the Mn-rich dispersoids were uniformly distributed in the whole dendrite due to the opposite equilibrium distribution coefficients of Mn and Cr. Therefore, after hot-rolled and annealing heat treatment, the alloy with 0.2 wt% Si and 0.2 wt% Cr exhibits excellent mechanical properties, which are manifested as ultimate tensile strength of 327.0 MPa, yield strength of 199.0 MPa, and elongation of 14.0 %. Compared with the sparsely distributed Mn-rich dispersoids in the base alloy, the uniform distribution Mn-rich dispersoids and the smaller average spacing in the 0.2 wt% Si and 0.2 wt% Cr alloys enhance the hindrance to the movement of dislocations during the tensile process and improve the Portevin-Le Chatelier (PLC) effect of the alloy.
Phonon scattering in quasicrystalline i-Al72Pd19.5Mn8.5
Bilusic, A.; Smontara, A.; Dolinšek, J.; et al. (2007)
Journal of Alloys and Compounds
Influence of mechanochemical processing to luminescence properties in Y2O3 powder
Gajovića, A.; Tomašić, N.; Djerdj, I.; et al. (2008)
Journal of Alloys and Compounds
SWAXS analysis on some quasicrystalline alloys
Tükel, C.; Ide, S.; Yildirim, L.; et al. (2013)
Journal of Alloys and Compounds
Determination of frustrated and non-frustrated magnetic structures of hexagonal and orthorhombic TbPdAl
Dönni A.; Kitazawa, H.; Keller, L.; et al. (2009)
Journal of Alloys and Compounds

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Journal: Journal of Alloys and Compounds

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