- Tytuł:
- Evaluating the Attenuation in Ultrasonic Testing of Castings
- Autorzy:
-
Boháčik, M.
Mičian, M.
Sládek, A. - Powiązania:
- https://bibliotekanauki.pl/articles/383170.pdf
- Data publikacji:
- 2018
- Wydawca:
- Polska Akademia Nauk. Czytelnia Czasopism PAN
- Tematy:
-
AlSi alloy
cast iron
technological casting parameters
ultrasound attenuation
stop AlSi
żeliwo
parametry technologiczne
tłumienie fal ultradźwiękowych - Opis:
- This paper considers the assessment of attenuation in aluminium alloys castings and in cast iron prepared by gravity casting method and by casting under pressure. The issue of ultrasound attenuation is important in setting the conditions of non-destructive (NDT) testing, especially in casted materials. The characteristics of the ultrasonic technique and ultrasonic attenuation and the calculation of the attenuation and the velocity of ultrasound are presented in the theoretical part of this paper. For experimental measurements, cylindrical castings from AlSi alloy (a hypoeutectic alloy with a silicon content of about 7% - AlSi7 and a eutectic alloy with a silicon content of about 12% - AlSi12) and from grey and ductile cast iron were made. The ultrasonic records of the casting control, the calculation of ultrasound attenuation for individual samples are listed and described in the experimental part. The evaluation of measurements and comparison of calculated ultrasound attenuation is at the end of this article.
- Źródło:
-
Archives of Foundry Engineering; 2018, 18, 2; 151-156
1897-3310
2299-2944 - Pojawia się w:
- Archives of Foundry Engineering
- Dostawca treści:
- Biblioteka Nauki
Artykuł