过冷(Fe1 -x Co x)79.3B20.7 合金的凝固

过冷(Fe₁_-_x Co _x)_79.3B_20.7 合金的凝固

杨林, 马长松, 刘连杰, 李金富

Solidification of Undercooled (Fe₁_-_x Co _x)_79.3B_20.7 Alloys

YANG Lin, MA Changsong, LIU Lianjie, LI Jinfu

图9 (Fe_{1 -}_x Co _x)_79.3B_20.7合金各初生相析出的临界过冷度范围及其与Co含量的关系

Fig.9 Undercooling ranges for various primary phases to precipitate and their dependences on the Co content in (Fe_{1 -}_x Co _x)_79.3B_20.7 alloys ( $Δ T_{M_{2} B}$ , $Δ T_{M_{23} B_{6}}$ , and $Δ T_{α ‐ M + M_{3} B}$ represent the critical undercoolings above which M₂B, M₂₃B₆, and α-M/M₃B precipitate as primary phases, respectively)