镍基单晶高温合金DD432的持久性能各向异性

张子轩, 于金江, 刘金来

Anisotropy of Stress Rupture Property of Ni Base Single Crystal Superalloy DD432

ZHANG Zixuan, YU Jinjiang, LIU Jinlai

表2 1000℃、280 MPa条件下3种取向样品拉伸蠕变的延伸率

Table 2 Tensile creep elongations of specimens with three orientations under 1000oC and 280 MPa

Specimen Nominal orientation Deviation degree / (°) Elongation % 1 <011> 10.48 16 2 <011> 14.30 17 3 <011> 16.16 15 4 <111> 8.67 6 5 <111> 10.56 14 6 <111> 11.71 18 7 <001> 9.25 36 8 <001> 11.99 31 9 <001> 19.99 35