Thermal effects induced during heating of the bulk metallic glass Zr$_{46}$Cu$_{46}$Al$_8$

It has been shown that thermal effects measured calorimetrically during heating of the bulk metallic glass Zr$_{46}$Cu$_{46}$Al$_8$ can be interpreted as a result of the annihilation or generation of structural “defects”, which are similar in their properties to interstitial dumbbells in simple crystalline metals. The shear susceptibility, which characterizes the sensitivity of the shear modulus of the glass to the concentration of “defects” of the type of interstitial dumbbells, has been calculated.