The Ti effects on the glass forming ability and the magnetic properties of Y-Fe-B-Ti bulk metallic glasses have been investigated.Substituting 2 and 4 at% Ti for Fe or B in Y_6Fe_ 70B_ 22 alloys decrease the saturatio...The Ti effects on the glass forming ability and the magnetic properties of Y-Fe-B-Ti bulk metallic glasses have been investigated.Substituting 2 and 4 at% Ti for Fe or B in Y_6Fe_ 70B_ 22 alloys decrease the saturation magnetization(σ_s)and deteriorate the glass forming ability,respectively.However,substitution of 2 at% Ti for Y in Y_6Fe_ 72B_ 22 alloy induces larger supercooled region of 72.7℃,which not only makes the bulk glassy rod as large as 3mm in diameter,but also results in the superior soft magnetic properties of σ_s=126emu/g,coercivity(H_c)=0.2 Oe and Curie temperature(T_C)=268℃.Among all Y-Fe-B-Ti bulk amorphous rods,Y_4Fe_ 72B_ 22Ti_2 displays the best glass forming ability and also the proper soft magnetic properties.展开更多
文摘The Ti effects on the glass forming ability and the magnetic properties of Y-Fe-B-Ti bulk metallic glasses have been investigated.Substituting 2 and 4 at% Ti for Fe or B in Y_6Fe_ 70B_ 22 alloys decrease the saturation magnetization(σ_s)and deteriorate the glass forming ability,respectively.However,substitution of 2 at% Ti for Y in Y_6Fe_ 72B_ 22 alloy induces larger supercooled region of 72.7℃,which not only makes the bulk glassy rod as large as 3mm in diameter,but also results in the superior soft magnetic properties of σ_s=126emu/g,coercivity(H_c)=0.2 Oe and Curie temperature(T_C)=268℃.Among all Y-Fe-B-Ti bulk amorphous rods,Y_4Fe_ 72B_ 22Ti_2 displays the best glass forming ability and also the proper soft magnetic properties.
