Title: Using a spouted bed spray granulation process to study the influence of aspect ratio on fracture toughness in composites
Language: English
Authors: Eichner, Eduard 
Dosta, Maksym 
Heinrich, Stefan 
Schneider, Gerold A. 
Issue Date: May-2017
Source: 12th International Conference on Fluidized Bed Technology, CFB: 541-546 (2017-05)
Abstract (english): In this work the fracture toughness of copper-composite materials was studied. The volume fraction of copper was between 69 and 76 %. The study was carried out with two types of composites. The first type were composites containing spherical copper particles. The second type were composites with copper particles, which were rolled before they were pressed to a bulk material. The analysis of fracture toughness shows, that the composites with spherical particles have a mean fracture toughness of 1.69 MPam 1/2 . The composites with higher aspect ratios of particles have a fracture toughness of 2.66 MPam 1/2 . It corresponds to an increasing of approximatively 55 % for the toughness referred to composites with spherical particles.
Conference: 12th International Conference on Fluidized Bed Technology, CFB 2017 
URI: http://hdl.handle.net/11420/3485
Institute: Feststoffverfahrenstechnik und Partikeltechnologie V-3 
Keramische Hochleistungswerkstoffe M-9 
Type: InProceedings (Aufsatz / Paper einer Konferenz etc.)
Funded by: Financial support from the German Research Foundation (DFG) via SFB 986 ‘‘M3’’, projects A3 and A6.
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