Mechanical spectroscopy technique has been applied to investigation of structural relaxation and crystallization of Mg-Ni-Y amorphous alloys of different composition. The composition of the alloys was varied due to change of yttrium concentration from 0 to 7 at.%. The internal friction (IF) and Young's modulus have been measured by a vibrating reed method at frequency of ∼200 Hz at heating and cooling runs in the temperature range from 300K to 650K. Crystallization kinetic studies of the alloys by DSC and XRD showed that the transition from amorphous to crystalline state in the Mg-Ni-Y alloys has gone through several stages with origination of intermediate phase. If spectra and Young's modulus of the alloys have been analyzed and the effect of yttrium content on the stability of intermediate phase was investigated.
|Journal||Materials Research Society Symposium Proceedings|
|State||Published - 1 Dec 2001|
|Event||Supercooled Liquid, Bulk Glassy and Nanocrystalline states of Alloys - Boston, MA, United States|
Duration: 27 Nov 2000 → 30 Nov 2000