综述：活性元素作用机理——氧化物“钉扎”模型

杨亮, 吕皓天, 万春磊, 巩前明, 陈浩, 张弛, 杨志刚

Review: Mechanism of Reactive Element Effect—Oxide Pegging

YANG Liang, LV Haotian, WAN Chunlei, GONG Qianming, CHEN Hao, ZHANG Chi, YANG Zhigang

表2 部分活性元素氧化物的表面应用提高TGO粘结性的机理解释^[70,86,87]

Table 2 Mechanism of surface application of some reactive element oxides to improve TGO adhesion^[70,86,87]

No.	Mass fraction of alloy composition / %	Surface applied oxide	Improvement of adherence	Mechanism proposed	Ref.
1	Ni-20Cr-1Si	CeO₂	Yes	Pegging	[86]
2	Ni-20Cr-3Al	CeO₂	Yes	1. Pegging	[70]
				2. Reduced scale thickness
3	Ni-20Cr	CeO₂, Y₂O₃, La₂O₃	Yes	Change of growth (?)	[70]
4	Ni-25Cr	CeO₂, Y₂O₃, La₂O₃	Yes	Modified growth and early	[87]
				development of the oxide scale (?)