THE EFFECT OF NOTCHES ON THE FATIGUE LIFE OF A NICKEL-BASE GAS TURBINE DISK MATERIAL

THE EFFECT OF NOTCHES ON THE FATIGUE LIFE OF A NICKEL-BASE GAS TURBINE DISK MATERIAL

Gas turbine disks carry significant load under high temperatures and may be subject to fatigue failure. Disks contain several notches in the form of the fir tree blade attachments. Low cycle fatigue tests were performed on blunt notch compact tension specimens made from alloy 718. The results indica...

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Bibliographic Details
Main Authors: Robert Eriksson, Johan Moverare, Zhe Chen, Kjell Simonsson
Format: Article
Language:English
Published: Czech Technical University in Prague 2018-12-01
Series:Acta Polytechnica CTU Proceedings
Subjects:
fatigue, notch effect, gas turbines, disk alloy
Online Access:https://ojs.cvut.cz/ojs/index.php/APP/article/view/5362
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