Loading...
Please wait, while we are loading the content...
Similar Documents
Fracture surface analysis in composite and titanium bonding (Document No: 19860002790)
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Wightman, J. P. Devilbiss, T. A. |
| Copyright Year | 1985 |
| Description | To understand the mechanical properties of fiber-reinforced composite materials, it is necessary to understand the mechanical properties of the matrix materials and of the reinforcing fibers. Another factor that can affect the mechanical properties of a composite material is the interaction between the fiber and the matrix. In general, composites with strong fiber matrix bonding will give higher modulus, lower toughness composites. Composites with weak bonding will have a lower modulus and more ductility. The situation becomes a bit more complex when all possibilities are examined. To be considered are the following: the properties of the surface layer on the fiber, the interactive forces between polymer and matrix, the surface roughness and porosity of the fiber, and the morphology of the matrix polymer at the fiber surface. In practice, the surface of the fibers is treated to enhance the mechanical properties of a composite. These treatments include anodization, acid etching, high temperature oxidation, and plasma oxidation, to name a few. The goal is to be able to predict the surface properties of carbon fibers treated in various ways, and then to relate surface properties to fiber matrix bonding. |
| File Size | 3601350 |
| Page Count | 40 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19860002790 |
| Archival Resource Key | ark:/13960/t95769f3h |
| Language | English |
| Publisher Date | 1985-09-01 |
| Access Restriction | Open |
| Subject Keyword | Composite Materials Polymer Matrix Composites Fracture Mechanics Ductility Mechanical Properties Modulus of Elasticity Etching Surface Roughness Anodizing Oxidation Bonding Plasma Heating Surface Layers Matrix Materials Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
