<strong><111></strong>取向小角偏离对一种镍基单晶高温合金蠕变性能的影响

<111>取向小角偏离对一种镍基单晶高温合金蠕变性能的影响

胡斌,李树索,裴延玲,宫声凯,徐惠彬

Influence of Small Misorientation from <111> on Creep Properties of a Ni-Based Single Crystal Superalloy

Bin HU,Shusuo LI,Yanling PEI,Shengkai GONG,Huibin XU

表2 不同取向试样{111}<110> 与{111}<112>滑移系的Schmid因子

Table 2 Schmid factors of {111}<110> and {111}<112> slip systems for specimens B~E

Specimen	{111}<110> slip system	Schmid factor	{111}<112> slip system	Schmid factor
B	(111)[ $\overset{ˉ}{1}$ 01]	0.350	(111)[ $\overset{ˉ}{2}$ 11]	0.369
B	(11 $\overset{ˉ}{1}$ )[011]	0.350	(11 $\overset{ˉ}{1}$ )[ $\overset{ˉ}{1}$ 21]	0.369
C	(111)[ $\overset{ˉ}{1}$ 01]	0.422	(111)[ $\overset{ˉ}{2}$ 11]	0.394
C	(11 $\overset{ˉ}{1}$ )[011]	0.422	(11 $\overset{ˉ}{1}$ )[ $\overset{ˉ}{1}$ 21]	0.394
D	(111)[1 $\overset{ˉ}{1}$ 0]	0.371	(111)[ $\overset{ˉ}{2}$ 11]	0.428
D	(111)[ $\overset{ˉ}{1}$ 01]	0.371	(111)[ $\overset{ˉ}{2}$ 11]	0.428
E	(111)[1 $\overset{ˉ}{1}$ 0]	0.423	(111)[ $\overset{ˉ}{2}$ 11]	0.488
E	(111)[ $\overset{ˉ}{1}$ 01]	0.423	(111)[ $\overset{ˉ}{2}$ 11]	0.488