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 13 of 13 for “"Dynamic mechanical behavior"”.
-
The influence of fiber hybridisation on dynamic mechanical behavior of natural based composites
The relatively higher costs of synthetic fibres (glass, carbon, kevlar fibre) used in fibre reinforced composite materials make it desirable to investigate natural fibres as a source of possible reinforcement in low-cost applications. Natural fibres are abundant and represent a significant cost …
-
Dynamic mechanical behavior of frozen Ottawa sand subjected to high strain rate loading
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-08-01
-
Fundamental adhesive studies of block copolymers
… studied was found to influence the adhesive behavior in applications as hot melt/structural type adhesives and as pressure sensitive adhesives. The thermal and the dynamic mechanical behavior of linear styrene/isoprene/styrene triblock copolymers (40% and 50% by weight styrene) was determined …
-
Dynamic testing of polydimethylsiloxane for applications in micro-contact roll printing
… of the stamp on the sheet because the precise dynamic mechanical behavior of the polydimethylsiloxane stamp is unknown. The purpose of this thesis is to apply system identification techniques to characterize the dynamic behavior of samples of polydimethylsiloxane by constructing a test …
-
Synthesis and properties of lignin epoxide
… as toughening agent. Sol fraction and swelling behavior, stress-strain behavior and dynamic mechanical behavior of the cured lignin epoxides were studied in relation to cure conditions.
-
Mechanics of blast-induced traumatic brain injury in porcine brain tissue
… is focused on experimentally quantifying the mechanical properties of brain tissues exposed to a blast wave. Specifically, the effects of swelling from storage solution and blast impact were investigated by exposing whole porcine brains to shock waves generated from an air pistol and allowing …
-
Characterization of modified polyimide adhesives
… The response of this metal/polymer composite to mechanical vibrations and the passage of electric current was measured. Model aluminum conductor bar joints containing this material were assembled and exposed to elevated temperatures for extended periods of time while the electrical properties of …
-
Microphase Separation Studies in Styrene-Diene Block Copolymer-based Hot-Melt Pressure- Sensitive Adhesives
… between adhesive morphology and their dynamic mechanical behavior, small angle X-ray scattering (SAXS) and rheological analysis were performed on blends with different compositions. A modified Percus — Yevick model combined with Gaussian functions was used fit the liquid like disordered …
-
Structure/property behavior of inorganic/organic sol-gel derived hybrid materials
… determined for these hybrid networks from their dynamic mechanical behavior, mechanical properties, and SAXS behavior. Thermal gravimetric data coupled with FfIR analysis were used to obtain a qualitative measure of the extent of conversion of the metal alkoxides as a function of acid catalyst. …
-
Structure-Property Relationships in Polymeric Materials Generated by Electron Beam Processing
… characterization technique(s) following: tensile behavior (Instron), dynamic mechanical behavior (DMS), melting behavior (DSC), lamella thickness (SAXS, TEM, and HSEM), orientation (WAXS) and microporous membrane formation (HSEM).
-
The modification of polymeric materials with plasticizers or elastomers
… profound changes in morphology and the resultant mechanical properties of the modified resins. Fracture toughness was most significantly improved using siloxanes containing at least 40% methyltrifluoropropyl siloxane or 20 and 40% diphenyl siloxane. Comparison of siloxane modifiers with butadiene …
-
Dynamic response of glass under low-velocity impact and high strain-rate compression loading
<p>In this research, the dynamic response and energy absorption characteristics of four different types of commercially available glass have been investigated experimentally. Soda Lime, Starphire, Borosilicate, and Fused Silica were characterized using a Dynatup 8250 drop weight impact test system, …
-
Nanomechanics of cartilage at the matrix and molecular levels
… well as many soft connective tissues, functions mechanically across a wide spectrum of daily loading frequencies (time scales), from <1 Hz in slow activities such as walking, to 1000 Hz for high-rate activities such as jumping and impact sports. A major mechanism underlying the macroscale …