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1 760℃、810 MPa条件下3种取向样品拉伸蠕变的延伸率

Table 1 Tensile creep elongations of specimens with three orientations under 760oC and 810 MPa

Specimen Nominal orientation Deviation degree / (°) Elongation % 1 <011> 1.11 21 2 <011> 9.39 26 3 <011> 14.30 26 4 <011> 16.16 30 5 <111> 10.56 18 6 <111> 11.71 20 7 <111> 16.54 28 8 <111> 21.10 27 9 <001> 11.99 20 10 <001> 13.70 23 11 <001> 22.08 25