Internal friction in gadolinium-dysprosium alloys in the low-temperature region

Young's modulus E and internal friction Q$^{-1}$ of gadolinium-dysprosium alloys have been studied in the 4.2-380 K temperature range. It has been established that an increase in Gd concentration brings about some Battening of the Q$^{-1}$ maximum in the region of ferromagnetic ordering at T$\approx$37 K. A magnetic phase diagram of the system has been plotted.