A Study of Aging Treatment on the Mg 10Li 0 5Zn Alloy

Concentration of RE-intermetallic phase along grain boundaries enhances the strength of Mg alloys due to the pinning effect on the grain boundary migration [11], however it

solution. This mechanism named as π -phase suppression mechanism promotes precipitation strengthening. In the T6 heat treatment, the hard- ness of the alloys hardly increased when

There is currently a significant commercial interest in the development of non-heat treatable aluminum alloys with a submicrocrystalline (SMC) structure for structural applica- tions.

Al+Si eutectic phase with aging time has the same tendency as that of average hardness in the sample. 7 Variation of Vickers hardness for structure phases of -Al and - Al+Si

Pre-straining is known to have a substantial effect on precipitation kinetics and processes. For Al-Mg-Si alloys, previous work revealed by DSC analysis that pre-straining

6 h. These small spherical particles were identified to be icosahedral phase while no icosahedral phase was observed in the Ag-free alloys when samples were aged at 200 C. 1,2)

Fig. 5 Calculated change in the kind and quantity of the equilibrium phase in Zn-11 mass%Al-3 mass%Mg alloy... Mg 2 Zn 11 ternary eutectic reaction and the significant super- cooling

Microstructure of alloys: subjected to HPDC (a, b); containing Sc (c); Li additions (d): a) bright field image of a -Al graines observed in AlMg5Si2Mn HPDC alloy; b) bright