leometwu的部落格

球化劑沒有蓋好 導致铁水未滿盆  球化劑就"爆發"了.   Nodulizer was not carefully covered and resulted in this failure: insufficient inoculation.

Photo 1: Inocculant addition, left: 0.30% + 0.20%; right: 0.30%, no post inocculation. 左: 前接種 0.30%+ 後接種0.20%.  右: 只有前接種, 接種不足, 因而生白口.

Below: insufficient inoccution + nodulization. 球化稍不足.

200X

L: 粒滴斑铁(碳化鐵+鉄)  P: 波來铁  F: 肥粒铁  G: 球狀石墨 ; 500X at 10x8 cm

L: Ledeburite (Carbide+Fe)  P: Pearlite,  F: Ferrite, G: Graphite