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1 活性元素氧化物添加提高TGO粘结性的机理^{[65,69,71~74]}

Table 1 Mechanism of adding active element oxide to improve TGO adhesion^{[65,69,71-74]}

No.	Mass fraction of alloy composition / %	Reactive element oxide	Improvement of adherence	Mechanism proposed	Ref.
	Mass fraction of alloy composition / %		Improvement of adherence
1	Co-10Cr-1Al	Al₂O₃	Yes	Pegging	[65]
2	Co-10Cr-11Al-1Hf	HfO₂	Yes	Pegging	[69]
3	Ni-20Cr	Y₂O₃, CeO₂	Yes	Change of growth	[71]
4	Ni-20Cr	Al₂O₃, Y₂O₃, ThO₂	Yes	Fine grain size	[72]
5	Fe-20Cr-4.5Al-0.5Ti	Y₂O₃	Yes	1. Improve scale plasticity 2. Change of growth	[73] [74]
				1. Improve scale plasticity 2. Change of growth	[73] [74]