<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1 不同晶体取向试样在760 ℃、650 MPa条件下的蠕变性能

Table 1 Creep properties of Ni-based single crystal superalloy with different orientations after creep test at 760 ℃ and 650 MPa

Specimen	Orientation			Rupture life h	Total strain %
Specimen	θ / (°)	ρ / (°)	Deviation from [ $\overset{ˉ}{1}$ 11] / (°)	Rupture life h	Total strain %
A	51.0	37.9	4.2	111.3	24.3
B	45.5	37.9	10.4	58.2	30.5
C	31.2	34.8	22.5	46.0	38.2
D	49.0	30.0	9.6	63.1	28.0
E	48.0	19.4	19.2	7.2	51.6