Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 10 of 10 for “"polyphenylene sulfide (PPS)"”.
-
Elevated-Temperature Oxidative Curing, Friction and Wear of Polyphenylene Sulfide (PPS) and its Composites
… Compared with other polymers in this category, Polyphenylene Sulfide (PPS) shows an impressive set of characteristics such as superior resistance to solvents, good mechanical properties, versatile processing, and lower price. However, the lack of understanding of its complex processing, which …
-
An Investigation of the Tensile Strength and Stiffness of Unidirectional Polymer-Matrix, Carbon-Fiber Composites under the Influence of Elevated Temperatures
… results. The different matrix materials were polyphenylene Sulfide (PPS), vinyl ester with two different fiber-matrix interface materials, and polyether ether ketone (PEEK).
-
Development of polymer bonded magnets with enhanced magneto-mechanical properties for high temperature and aggressive environments
… corrosion resistance and magnetic properties of polyphenylene sulfide (PPS) bonded Nd-Fe-B magnets can be enhanced by treating the Nd-Fe-B powders with a suitable silane coupling agent prior to blending with the polymer and subsequent molding of the composite. The coated rare earth powders are …
-
Towards Advancement of Continuous Fiber Composite Additive Manufacturing
… tow of continuous carbon fibers (CCF) within a polyphenylene sulfide (PPS) matrix. Filaments of CCF/PPS with fiber volume fractions between 30 and 50% nominal fiber volume fraction were printed, and results were compared with those achieved with commercially available composite material systems. …
-
Generation of Thermotropic Liquid Crystalline Polymer (TLCP)-Thermoplastic Composite Filaments and Their Processing in Fused Filament Fabrication (FFF)
… (ABS) and a high performance thermoplastic, polyphenylene sulfide (PPS). The TLCPs are composed of rod-like monomers which are highly aligned under extensional kinematics imparting excellent one-dimensional tensile properties. The tensile strength and modulus of the 40 wt.% TLCP/ABS filaments …
-
The Development of Compression Moldable Polymer Composite Bipolar Plates for Fuel Cells
… and uses polyethylene terepthalate (PET) or polyphenylene sulfide (PPS) as the binder, although PPS is mainly used. In order to reach sufficient conductivity for use in generating bipolar plates, the polymer is doped with high levels of conductive graphite particles in the range of 70-80 wt%. …
-
Nondestructive inspection of load induced damage in fiber reinforced polyphenylene sulfide
… the results of an investigation of properties of polyphenylene sulfide (PPS) reinforced with random, continuous glass fibers, approximately 30% by weight. The investigation included both characterization of the mechanical properties and nondestructive inspection of the material. The objectives of …
-
Processing Behavior of Thermoplastics Reinforced with Melt Processable Glasses
… Thermoplastic resins consisting of polyphenylene sulfide (PPS), polyetherimide (PEI) and polyetheretherketone (PEEK) were combined with phosphate glasses having glass transition temperatures (Tg) that ranged from 230-290°C to form composite systems where both the matrix and …
-
Characterization of the molecular structure at modified polymer surfaces and polyphenylene sulfide/copper interphases
… unmodified thin films. The optical constants of polyphenylene sulfide (PPS) were determined and exact optical theory was utilized to simulate spectra for a variety of reflectance techniques. This method was also utilized to confirm the ordered state of thin spin coated PPS films. The surface …
-
Material Characterization and Life Prediction of a Carbon Fiber/Thermoplastic Matrix Composite for Use in Non-Bonded Flexible Risers
In the effort to improve oil production riser performance, new materials are being studied. In the present case, a Polymer Matrix Composite (PMC) is being considered as a replacement for carbon steel in flexible risers manufactured by Wellstream Inc., Panama City, Florida. The Materials Response …