Pt对镍基单晶高温合金持久性能的影响

林惠文, 刘纪德, 周亦胄, 金涛, 孙晓峰

INFLUENCE OF Pt ON THE CREEP RUPTURE PROPERTIES OF Ni-BASED SINGLE CRYSTAL SUPERALLOY

LIN Huiwen, LIU Jide, ZHOU Yizhou, JIN Tao, SUN Xiaofeng

表2 不同Pt含量合金的持久寿命和延伸率

Table 2 Rupture life (t) and elongation (d) of different alloys

Alloy 1100 ℃, 180 MPa 1000 ℃, 310 MPa t / h d / % t / h d / % 0Pt 65.58 17.8 97.19 28.3 1.5Pt 63.28 18.6 82.50 23.4 3Pt 56.74 19.4 77.98 19.1