Abstract
The problems associated with nickel-based superalloys with heat-resisting coatings, as used in aerospace, have been addressed in this paper. The influence of the heat-resisting coating technology on both the fatigue and creep behaviour of the alloys has been shown. Low-cycle fatigue and creep tests have been performed. Lifetime conditions have been determined in relation to low-cycle fatigue, isothermal creep and creep at cyclically variable temperatures, as a function of the chemical composition of the coating, parameters of the thermal treatment and thickness of the coating. Possible processes and mechanisms of fracture are discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 947-954 |
| Number of pages | 8 |
| Journal | Fatigue and Fracture of Engineering Materials and Structures |
| Volume | 21 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 1998 |
Keywords
- Creep
- Fatigue crack behaviour
- Fatigue life
- Ni-base superalloys
- Surface coatings
ASJC Scopus subject areas
- General Materials Science
- Mechanics of Materials
- Mechanical Engineering
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