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Ensinger PEI

NASA Co-W-RE Cast Cobalt Alloy
Categories: Metal; Superalloy; Cobalt Base

Material Notes: High-temperature space applications

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Mechanical PropertiesMetricEnglishComments
Rupture Strength  43.4 MPa
@Temperature 1090 °C,
Time 3.60e+6 sec
6300 psi
@Temperature 2000 °F,
Time 1000 hour
 66.9 MPa
@Temperature 1090 °C,
Time 360000 sec
9700 psi
@Temperature 2000 °F,
Time 100 hour
 89.6 MPa
@Temperature 982 °C,
Time 3.60e+6 sec
13000 psi
@Temperature 1800 °F,
Time 1000 hour
Estimated from limited data using Larson-Miller time-temperature parameters
 124 MPa
@Temperature 982 °C,
Time 360000 sec
18000 psi
@Temperature 1800 °F,
Time 100 hour
Estimated from limited data using Larson-Miller time-temperature parameters
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.40 %0.40 %
Chromium, Cr 3.0 %3.0 %
Cobalt, Co 67.6 %67.6 %Balance
Niobium, Nb (Columbium, Cb) 1.0 %1.0 %
Rhenium, Re 2.0 %2.0 %
Tungsten, W 25 %25 %
Zirconium, Zr 1.0 %1.0 %

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