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Failure analysis of main landing attachment bolts of an aircraft

IR@NAL: CSIR-National Aerospace Laboratories, Bangalore

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Title Failure analysis of main landing attachment bolts of an aircraft
 
Creator Venkataswamy, MA
Bhaskaran, TA
Sujata, M
Parameswara, MA
Keshab, Barai
Bhaumik, SK
 
Subject Aeronautics (General)
Chemistry and Materials (General)
 
Description Two fractured main landing attachment bolts from an aircraft were sent to the laboratory for analysis. Examination showed that both the bolts have failed by fatigue. Examination also revealed numerous cracks at the thread roots of the bolts. The most probable reason for fatigue crack initiation appears to be the existence of fine cracks at the thread roots, possibly generated during tightening of the bolts.
 
Publisher National Aerospace Laboratories
 
Date 2003
 
Type Proj.Doc/Technical Report
NonPeerReviewed
 
Identifier Venkataswamy, MA and Bhaskaran, TA and Sujata, M and Parameswara, MA and Keshab, Barai and Bhaumik, SK (2003) Failure analysis of main landing attachment bolts of an aircraft. Project Report. National Aerospace Laboratories, Bangalore.
 
Relation http://nal-ir.nal.res.in/9811/