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Advances in Mathematical Physics
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Advances in Mathematical Physics
/
2015
/
Article
/
Tab 1
/
Research Article
Study on Impeller Fracture Model Based on Vibration Characteristics and Fractal Theory
Table 1
Impeller material properties (density: 7850 kg/m
3
).
Temperature
(°C)
Elastic module
×10
5
MPa
Poisson ratio
Yield strength
MPa
Expansion coefficient
×10
−6
/°C
20
2.10
0.276
850
13