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Mechanical Properties of Polymers and Composites
14 Dec 1993-
TL;DR: In this article, the authors discuss various mechanical properties of fiber-filled composites, such as elastic moduli, creep and stress relaxation, and other mechanical properties such as stress-strain behavior and strength.
Abstract: Mechanical Tests and Polymer Transitions * Elastic Moduli * Creep and Stress Relaxation * Dynamical Mechanical Properties * Stress-Strain Behaviour and Strength * Other mechanical Properties * Particulate-Filled Polymers * Fiber- Filled Composites and Other Composites.
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TL;DR: In this article, several advanced analytical methods were used to analyze the properties of slurries and pads under conditions similar to those found during CMP processing, and they found that pads absorb slurries at different rates, and slurries also react with the pads; and the mechanical properties of the pads are dependent on the orientation of the grooves on the pad.
Abstract: Chemical-mechanical polishing, or planarization (CMP), has emerged as an increasingly important technology for integrated-circuit manufacturing. Consumables used during CMP interact in a complex manner with the polishing tool, the process conditions, and the wafer being polished. In this article, several advanced analytical methods are used to analyze the properties of slurries and pads under conditions similar to those found during CMP processing. Some of the key findings are that under these process conditions, pads can be stabilized with a heat treatment prior to installation on the polisher; pads absorb slurries at different rates, and slurries also react with the pads; and the mechanical properties of the pads are dependent on the orientation of the grooves on the pad. Dynamic rheometry was used to detect de-agglomeration in sheared slurries.
42 citations
TL;DR: In this article, the static and dynamic compression properties of polypropylene/silica composites, with particle sizes of 3, 1, 1μm, 20,nm and 11,nm, were successfully studied at different levels of strain rates.
42 citations
TL;DR: A new class of PEG-based hydrogels that simultaneously possess high water content, high mechanical resilience and low fibrotic response upon subcutaneous implantation in mice are reported, finding broad applications in biomedicine.
42 citations
Cites background from "Mechanical Properties of Polymers a..."
...Previous work has demonstrated that while hydrogels made of low-molecular weight PEG are relatively brittle, increasing the PEG chain molecular weight decreases hydrogel brittleness and increases stretchability or elasticity [10, 23-26]....
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TL;DR: In this paper, the effects of water absorption, water content, and density of composites were determined, and the results indicated that tensile and flexural strength, elongation at break, toughness and impact properties decreased as filler loading increased.
Abstract: Carbon black and activated carbon were produced from bamboo (Gigantochloa scortechinii) using pyrolysis (at 900°C) and zinc chloride (ZnCl2) chemical activation (at 700°C) and used as a filler in polyester composites. The composites were prepared at 10, 20, 30, and 40% filler loading. The effects of water absorption, water content, and density of composites were determined. Results showed that water content and water absorption slightly increased as filler loading increased, while density value decreased as filler loading increased. Tensile, flexural and impact tests were performed at different filler loading. The results indicated that tensile and flexural strength, elongation at break, toughness and impact properties decreased as filler loading increased. However, the tensile and flexural modulus exhibited the reverse phenomenon. The filler-matrix bonding from impact fracture was analyzed by scanning electron microscopy (SEM).
42 citations
Cites background from "Mechanical Properties of Polymers a..."
...High fiber– fiber contact and the weak interfacial region can initiate the crack and propagation transfer, easily, allowing the samples to break easily and reduce the toughness of the composites [17,20,21]....
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TL;DR: In this paper, the authors compared the properties of CSW/PVC composites with traditional surface modifiers, including silane coupling agent, titanate coupling agent and stearic acid, and found that glutaraldehyde cross-linked poly(vinyl alcohol) crosslinked PVA has the strongest interfacial interaction, good and stable mechanical and heat resistant properties.
42 citations