STRENGTH OF Al-Ce-Ni EUTECTIC ALLOYS

摘要

The laws of high-temperature deformation and the dependence of the strength characteristics in compression on the structure parameters of binary and three-phase eutectics belonging to the system Al-Ce-Ni are studied. It is shown that the strength of the three-phase eutectic (Al) + Al_4Ce + Al_3Ni is higher than that of the binary eutectic (Al) + NiAl_3 and (Al) + Al_4Ce. At T > 600 K the strength of the alloys falls sharply due to coarsening of the aluminum particles and a decrease in the module of elasticity of the matrice and the aluminides.