Author:
Jovanović Milan T.,Maksimović Vesna,Cvijović-Alagić Ivana
Abstract
Jet engine turbine blade cast by investment precision casting of Ni-base superalloy, which failed during exploatation, was the subject of investigation. Failure analysis was executed applying optical microscopy (OM), transmission electron microscopy (TEM) using replica technique, scaning electron microscopy (SEM) and stress rupture life tests. On the ground of obtained results it was concluded that the failure occurred as a result of structural changes caused by turbine blade overheating above the exploitation temperature.
Publisher
Association of Metallurgical Engineers of Serbia
Subject
Metals and Alloys,Mechanical Engineering
Cited by
3 articles.
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