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 20 of 106 for “"Thermoset"”.
-
Adhesive properties of thermoset fibre metal laminates
Fibre metal laminates (FMLs) are composite materials that consist of layers of metal and fibre reinforced polymers. FMLs are used in the construction of aircraft fuselage skins, such as the Airbus A380. GLARE, the only commercially available FML, is of particular interest due to its damage …
-
Bond exchange reactions in high temperature thermoset polymers
… use of exchangeable bonds within an all-aromatic thermoset to enable reversible bonding towards potential utility as an adhesive for in-space assembly. Interchain transesterification (ITR) is a type of bond exchange reaction accessible by polymers possessing ester bonds. Thermoset polymers that …
-
Multi-scale analysis of wrinkling during consolidation of thermoset composites
Carbon fibre is known for its high strength, light weight and durability. The aerospace and automotive industries have demonstrated a strong interest in utilising carbon fibre when designing their structural parts. However, there are still barriers preventing other industries from realising the …
-
Dimensional Accuracy of Thermoset Polymer Composites: Process Simulation and Optimization
Finally, the three-dimensional finite element code is utilized to predict the viscoelastic response of a woven composite substrate for multilayer circuit board applications. Comparisons between numerical predictions and experimental data clearly indicate that the creep compliance of the composite …
-
Optimal Curing for Thermoset Matrix Composites: Thermochemical and Consolidation Considerations
A finite element method is then developed to solve two-dimensional consolidation problems. The consolidation governing equations, one for solid stress and one for fluid pressure, are derived using a local volume averaging approach, and they are strongly coupled. A special anisotropic hyperelastic …
-
Forming of advanced thermoset composites : process development and deformation study
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1998.
-
Self-healing thermoset polymers and embedded 3D printing VIA chemical activation
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-12-01
-
Thermoset materials fabricated via frontal polymerization: Material properties and photoinitiation approaches
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-05-01
-
Rapid manufacturing of thermoset polymers and composites processed by frontal polymerization
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-05-01
-
Advanced simulations of cross-linked thermoset and conjugated polymers for multifunctional applications
… (ML) to investigate and optimize cross-linked thermosets and conjugated polymers (CPs). The first part of this study utilizes CG-MD simulations to explore how cross-link density (c) and additive content (m) affect the mechanical and thermal properties of thermoset polymers. Simulations reveal …
-
Some molecular contributions and curing considerations: Physical properties of thermoset network materials
… molecular basis of, and processing effects on, thermoset network behavior are investigated: (1) processing thick section prepreg epoxy materials, (2) characterization of the contributions to rubbery elastic behavior and (3) improved epoxy resins through lightly cross-linked stiff molecular …
-
Constitutive modeling of advanced thermoset composites with application to sheet forming processes
Advanced thermoset composites are an important class of materials employed primarily in aerospace applications that consist of a thermoset polymer resin matrix that is reinforced by systematically arranged, continuous graphite fibers. Composite sheet forming, or thermoforming, is a process where …
-
Manufacture of aerospace-grade thermoset and thermoplastic composites via nanoengineered thermal processing
… using carbon microfiber reinforcement with thermoset and thermoplastic polymer matrices. With the increasing use of such composites, the need for energy-efficient, cost-effective methods to produce composite structures is desired. Traditional curing processes such as autoclaves and ovens …
-
Permanent press, no wrinkles : reinforced double diaphragm forming of advanced thermoset composites
Structures made out of advanced composite materials have significant advantages over those made from metals. The chief advantages are high strength-to-weight ratio, the ability to tailor mechanical properties, high fatigue resistance and good corrosion resistance. The manufacturing methods used to …
-
Fabrication methods and costs for thermoset and thermoplastic composite processing for aerospace applications
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1988.
-
An investigation of the interfacial characteristics of nitinol fibers in a thermoset composite
A heightened interest in intelligent material systems has occurred in recent years due to their remarkable adaptive abilities. Intelligent materials systems, which contain sensors and actuators coupled by means of active control, frequently utilize composite materials as the skeletal structure. In …
-
Nanostructured thermoset resins and nanocomposites containing hyperbranched blockcopolyether liquid rubbers and organophilic layered silicates
… to the improvement of materials properties of thermoset resins by the use of tailor-made additives. Inorganic nanofillers derived from layered silicates as well as functional liquid polymers of various architectures were used alone or in combination to tailor different properties, such as …
-
Study of layer orientation on the fracture behavior of two additively manufactured thermoset resins, A
… behavior of additively manufactured (AM) thermosetting resins to enable rapid production of lightweight and functional polymeric and composite materials that can meet a wide range of applications. Specifically, the role of print orientation on the quasi-static and dynamic fracture response …
Page 1 of 6