Actions for Effect of Composite Substrates on the Mechanical Behavior of Brazed Joints in Metal-Composite System

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Effect of Composite Substrates on the Mechanical Behavior of Brazed Joints in Metal-Composite System

Author
Asthana, Rajiv
Published
April 23, 2006.
Physical Description
1 electronic document
Additional Creators
Shpargel, Tarah, Singh, M., and Morscher, Gregory N. (Gregory Nelson)
Online Version

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Summary
Advanced composite components are being considered for a wide variety of demanding applications in aerospace, space exploration, and ground based systems. A number of these applications require robust integration technologies to join dissimilar materials (metalcomposites) into complex structural components. In this study, three types of composites (C-C, C-SiC, and SiC-SiC) were vacuum brazed to commercially pure Ti using the active metal braze alloy Cusil-ABA (63Ag-35.3Cu-1.75Ti). Composite substrates with as fabricated and polished surfaces were used for brazing. The microstructure and composition of the joint, examined using scanning electron microscopy (SEM) coupled with energy dispersive spectroscopy (EDS), showed sound metallurgical bonding in all systems. The butt strap tensile (BST) test was performed on bonded specimens at room and elevated temperatures. Effect of substrate composition, interlaminar properties, and surface roughness on the mechanical properties and failure behavior of joints will be discussed.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 20070017949.
3rd International Brazing and Soldering Conference; 23-26 Apr. 2006; San Antonio, TX; United States.
Terms of Use and Reproduction
Copyright, Distribution as joint owner in the copyright.
View MARC record | catkey: 16002264