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Simulation of Very High Temperature Overheating During Isothermal Creep of Single Crystal Ni‐Base Superalloy
Author(s) -
Cormier J.,
Milhet X.,
Champion J.L.,
Mendez J.
Publication year - 2008
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.200700248
Subject(s) - superalloy , materials science , overheating (electricity) , isothermal process , creep , metallurgy , nuclear engineering , thermal , single crystal , mechanical engineering , thermodynamics , microstructure , engineering , crystallography , physics , chemistry , electrical engineering
This paper presents an experimental set‐up developed for the simulation of overheatings under load representative of One Engine Inoperative events which can be encountered during in‐service operation of turboshaft engines. These experiments provide several breakthroughs over classical testing equipments for the non‐isothermal testing conditions of single crystal Ni‐based superalloys. It was shown a major effect of thermal transition rates on the material behavior which was explained by microstructural evolutions.