Kochendörfer, Richard and Lützenburger, Nicole and Weihs, Hendrik (2004) Joining Techniques for Fibre Ceramic Structures. Advanced Composite Letters, 13 (1), pp. 75-85. Adcotec Ltd..
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This paper shows three different joining methods for fibre ceramic materials. The so called in-situ joining method is an integral part of the manufacturing process for CMC structures via the liquid silicon infiltration (LSI) process. Stiffening elements, local patches within attachment areas, inserts etc. are permanently joined to shell structures, thus enabling highly integrated components to be realised with low manufacturing costs. Mechanical joining methods are required for the attachment of CMC thermal protection systems and the assembly of large structures which can not be manufactured as one part due to the limited size of manufacturing devices (e.g. autoclave, furnaces ). For these cases, two different principles are available. The first method takes advantage of interlocking effects of hardened castable ceramics for permanent joints and the so called ceramic rivet, which has similar properties to metallic rivets, however using only elastic and frictional properties of the CMC basic material. The last joining method presented within this paper deals with the attachment of hot structures to a cold substructure. To solve the problems associated with thermal mismatch, elastic or kinematic attachment systems, well adapted to the thermal expansion behaviour are suitable candidates.
|Title:||Joining Techniques for Fibre Ceramic Structures|
|Journal or Publication Title:||Advanced Composite Letters|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 75-85|
|Keywords:||joining, in-situ, CMC, screws, rivets, interlocking, hot structures, elastic, kinematic, thermal mismatch, thermal expansion|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W RP - Raumtransport|
|DLR - Research area:||Space|
|DLR - Program:||W RP - Raumtransport|
|DLR - Research theme (Project):||W - Grundlagen Raumtransport - HT-Werkstoffe und Bauweisen (old)|
|Institutes and Institutions:||Institute of Structures and Design|
Institute of Structures and Design > Space Structural Components
|Deposited By:||Nicole Lützenburger|
|Deposited On:||28 Nov 2005|
|Last Modified:||27 Apr 2009 04:42|
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