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  4. Using a spouted bed spray granulation process to study the influence of aspect ratio on fracture toughness in composites
 
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Using a spouted bed spray granulation process to study the influence of aspect ratio on fracture toughness in composites

Publikationstyp
Conference Paper
Date Issued
2017-05
Sprache
English
Author(s)
Eichner, Eduard  
Dosta, Maksym  
Heinrich, Stefan  
Schneider, Gerold A.  
Institut
Feststoffverfahrenstechnik und Partikeltechnologie V-3  
Keramische Hochleistungswerkstoffe M-9  
TORE-URI
http://hdl.handle.net/11420/3485
Start Page
541
End Page
546
Citation
12th International Conference on Fluidized Bed Technology, CFB: 541-546 (2017-05)
Contribution to Conference
12th International Conference on Fluidized Bed Technology, CFB 2017  
Scopus ID
2-s2.0-85052327032
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.
DDC Class
600: Technik
620: Ingenieurwissenschaften
Funding(s)
SFB 986: Teilprojekt A03 - Herstellung höherer hierarchischer Ebenen von Materialsystemen mit der Wirbelschicht-granulation und Diskrete-Elemente-Modellierung der Materialien  
SFB 986: Teilprojekt A06 - Herstellung und Charakterisierung hierarchischer, multi-funktionaler Keramik/Metall-Polymer Materialsysteme  
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