Preliminary Analyses of Cracking for Large Turbine Generate Rotor

CHEN Zhao-yun; LI Jian-ming; TENG Kui

Materials and Mechanical Engineering > 2007 > 31(9): 70-72.

CHEN Zhao-yun, LI Jian-ming, TENG Kui. Preliminary Analyses of Cracking for Large Turbine Generate Rotor[J]. Materials and Mechanical Engineering, 2007, 31(9): 70-72.

Citation:

CHEN Zhao-yun, LI Jian-ming, TENG Kui. Preliminary Analyses of Cracking for Large Turbine Generate Rotor[J]. Materials and Mechanical Engineering, 2007, 31(9): 70-72.

Citation:

CHEN Zhao-yun, LI Jian-ming, TENG Kui. Preliminary Analyses of Cracking for Large Turbine Generate Rotor[J]. Materials and Mechanical Engineering, 2007, 31(9): 70-72.

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Preliminary Analyses of Cracking for Large Turbine Generate Rotor

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Received Date: February 21, 2007

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Abstract

The crack in a large turbine generate rotor was studied from two aspects of the forging material and the heat-treatment technology.The result shows that the improper heat-treatment method causes high brittleness and notch sensitivity for the rotor material.The fatigue crack occurres near the stress concentration position.
- turbine generating rotor,
- failure analysis,
- fatigue fracture

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