时效硬化型镍基合金GH4133B

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时效硬化型镍基合金GH4133B  gh4133B棒板奥氏体镍铬合金


变形高温合金GH4133B合金是一种镍铬基奥氏体合金,广泛应用于火箭及航空发动机、燃气轮机等高温机械部件中,在高温、大载荷的恶劣条件下工作,对合金组织性能的稳定性有很高要求。

牌号

化学成分(质量分数)(%)

新牌号

C

Cr

Ni

W

Co

A1

Ti

Fe

Nb

Mn

Mg

B

Ce

Zr

Si

P

S

Cu

时效硬化型镍基合金

GH4133B

0.06

19.022.0

余量

-

-

0.751.15

2.53.0

1.5

1.31.7

0.35                                                                                                                                       

0.0010.01

0.01                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         

0.01

 0.010.1

0.65                                                  

0.                                                                                                                                     015                                                                                                                               

O.007

0.07

其他:Bi≤0.0001  Sn0.0012  Sb0.0025  Pb0.001  As0.0025

密度:8.14 g/cm3

GH4133B镍基高温合金是在GH4133基础上添加适量的MgZr微合金化而制成的改型合金。GH4133B消除了GH4133合金750 ℃以上存在的缺口敏感性,使材料的使用寿命成倍增加,大幅提高了持久强度和塑性。因此,在航空选材中选用GH4133B作为航空发动机的涡轮盘用材料。

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