NDLI: Imaging and diffusion structural diagnostics of silicon carbide-based composites and fibers

Content Provider	Springer Nature Link
Author	Tatlisu, H. Balek, V. Beckman, I. N. Kardjilov, N. Hilger, A. Rauch, H.
Copyright Year	2011
Abstract	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.
Starting Page	447
Ending Page	452
Page Count	6
File Format	PDF
ISSN	13886150
Journal	Journal of thermal analysis
Volume Number	107
Issue Number	2
e-ISSN	15728943
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-08-23
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Emanation Fusion technology Neutron tomography SiC$_{f}$/SiC inner microstructure Thermal analysis Measurement Science and Instrumentation Polymer Sciences Inorganic Chemistry Physical Chemistry Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry Condensed Matter Physics

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