航空发动机涡轮叶片(2)

ABSTRACT

ABSTRACT

This paper emphatically discusses the failure analysis of turbine blade.First introduced some basic knowledge of turbine blades;The structure characteristics and working characteristics of turbine blade were described in she wants,for the further analysis of turbine blade failure Then the failure and failure mode of turbine blades;Turbine blade failure form mainly divided into two major categories of crack fault and broken,Through the graph form to illustrate ideas and draw conclusions ;Then lists some examples(WJ5 swine and turbine engine blade crack fault,turbine blade folding section)has made the detailed analysis of the blade.Through the analysis and research,finally give the preventive measures for faults and troubleshooting methods.

Key words: The turbine blades is discussed，turbine blade fault and failure type，The fault phenomenon，fault caus，Elimination method

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