稀土
Ce
对
X20Co
马氏体耐热钢蠕变性能的影响
向钰琳
1
,
2
, 杨仁贤
3
,
4
, 蔡欣
3
, 胡小强
3
,
4
(
), 李殿中
3
,
4
(
)
Effect of Ce Addition on Creep Properties of X20Co Martensitic Heat-resistant Steel
XIANG Yulin
1
,
2
, YANG Renxian
3
,
4
, CAI Xin
3
, HU Xiaoqiang
3
,
4
(
), LI Dianzhong
3
,
4
(
)
图4.
X20Co蠕变前的初始微观组织
Fig.4.
SEM micrographs of 0Ce (a) and 12Ce (b) steel before creep