滑移系 FCC BCC {111} (111) <111> 最密排面 最密排方向 [110 (011) (123) 101] (112) 0111 Crystal Slip plane Slip Number of non- Slip directions Number of structure direction parallel planes per plane slip systems fec {111) (110) 4 3 12= (4×3) bcc {110} (111) 6 2 12= (6×2) {112 (11i) 12 1 12=(12×1) {123) (111) 24 1 24=(24×1) hcp {0001} (1120 1 3 3=(1×3) (1010} (1120 3 1 3= (3×1) (1011} (1120) 6 1 6= (6×1)FCC {111} 最密排面 BCC <111> 最密排方向 滑移系