Imaging and diffusion structural diagnostics of silicon carbide-based composites and fibersстатья
Информация о цитировании статьи получена из
Web of Science ,
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Tatlisu H.,
Balek V.,
Beckman I.N. ,
Kardjilov N.,
Hilger A.,
Rauch H.
Журнал:
Journal of Thermal Analysis and Calorimetry
Том:
107
Номер:
2
Год издания:
2012
Издательство:
Akademiai Kiado
Местоположение издательства:
Hungary
Первая страница:
447
Последняя страница:
452
DOI:
10.1007/s10973-011-1856-3
Аннотация:
The aim of this study is to characterize the microstructure and high temperature induced structural changes within fiber reinforced silicon carbide (SiC f/SiC) composites by means of non-destructive techniques. In order to understand their properties, the characterization of the microstructure of SiC f/SiC composites is the crucial issue. Porosity within composites is unavoidable with currently available manufacturing processes, and reduces significantly the life time and performance of the composites under harsh environments. Moreover, the internal pores, created in the manufacturing process cause the degradation most of the outstanding properties such as thermal conductivity, mechanical properties at high temperature, and radiation stability. Cold neutron tomography and diffusion structural diagnostic techniques were applied in the investigation of the microstructure of SiC f/SiC composites to gain complementary information. One of the main obstacles to using these composites in fusion technology and other applications are a change of the porous structure and a swelling at high temperatures and in a severe radiation environment. Cold neutron tomography enables visualization of the microstructure of the composite and consequently the pore distributions within the SiC f/SiC composite were observed with a suitable resolution. The diffusion structural diagnostic technique was used to characterize the thermal behavior of SiC f/SiC composites on heating up to 1300 °C. © 2011 Akadémiai Kiadó, Budapest, Hungary.
Добавил в систему:
Бекман Игорь Николаевич