一种低成本第三代单晶高温合金的高温氧化行为

李永梅, 谭子昊, 王新广, 陶稀鹏, 杨彦红, 刘纪德, 刘金来, 李金国, 周亦胄, 孙晓峰

Oxidation Behavior of a Low-Cost Third-Generation Ni-Based Single-Crystal Superalloy

LI Yongmei, TAN Zihao, WANG Xinguang, TAO Xipeng, YANG Yanhong, LIU Jide, LIU Jinlai, LI Jinguo, ZHOU Yizhou, SUN Xiaofeng

表3 本实验合金与其他合金^[8,9,20,21]的抛物线氧化速率常数统计

Table 3 Comparisons of parabolic kinetic oxidation constant between the experimental alloy and other alloys^[8,9,20,21]

Alloy	Temperature ^oC	Time h	$k_{p}$ g²·cm^-4·s^-1	Alloy	Temperature ^oC	Time h	$k_{p}$ g²·cm^-4·s^-1
Experimental	1120	0-40	4.67 × 10^-10	2^[8]	1100	0-5	9.44 × 10^-13
Experimental		60-200	3.28 × 10^-9			20-200	1.95 × 10^-12
1^[20]	1100	0-25	5.50 × 10^-12	3^[9]	1100	0-100	7.22 × 10^-13
		50-100	8.06 × 10^-12	4^[21]	1100	0-16	2.76 × 10^-10
		130-200	2.77 × 10^-12			20-100	3.14 × 10^-11