- Tytuł:
- The Effect of Superalloy Structure on Ultrasonic Wave Parameters
- Autorzy:
-
Nawrocki, J.
Gancarczyk, K.
Manaj, W.
Albrecht, R.
Cygan, R.
Krupa, K. - Powiązania:
- https://bibliotekanauki.pl/articles/97805.pdf
- Data publikacji:
- 2015
- Wydawca:
- Sieć Badawcza Łukasiewicz - Instytut Lotnictwa
- Tematy:
-
ultrasonic nondestructive testing
superalloy
turbine blade
macrostructure
crystalline orientation - Opis:
- This paper analyses the nickel based superalloy Inconel 713C casts typically used in high and low pressure turbines of aircraft engines. The ingots were manufactured in the Research and Development Laboratory for Aerospace Materials at the Rzeszów University of Technology. The superalloy structures were analysed by the following methods: X-ray diffraction orientation measurement and ultrasonic wave propagation. Ultrasonic techniques are mainly used to measure the blade wall’s thickness. Measurement accuracy is determined by the velocity of the ultrasonic wave in the material tested. This work evaluates the effect of the nickel-based superalloy microstructure on the velocity of the ultrasonic wave propagation. Three different macrostructures: equiax (EQ), directionally solidified (DS) and single crystal (SX) were analysed. The authors determined the crystal misorientation in the obtained casts as the deviation of [001] crystallographic direction from the withdrawal axis or the main axis of the ingots. The measurements performed allowed researchers to identify significant differences in the wave velocity between EQ, DS and SX structures.
- Źródło:
-
Fatigue of Aircraft Structures; 2015, 7; 61-65
2081-7738
2300-7591 - Pojawia się w:
- Fatigue of Aircraft Structures
- Dostawca treści:
- Biblioteka Nauki
Artykuł