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Flexibility improvment of short glass fiber reinforced epoxy
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116442.pdf
Date
2001
Author
Arıkan, Aslıhan
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https://hdl.handle.net/11511/7637
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Graduate School of Natural and Applied Sciences, Thesis
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Flexibility improvement of short glass fiber reinforced epoxy by using a liquid elastomer
Kaynak, Cevdet; Tincer, Teoman (Elsevier BV, 2003-03-17)
In certain applications of fiber reinforced polymer composites flexibility is required. The aim of this study was to improve flexibility of short glass fiber reinforced epoxy composites by using a liquid elastomer. For this purpose, diglycidyl ether of bisphenol-A (DGEBA) based epoxy matrix was modified with hydroxyl terminated polybutadiene (HTPB). A silane coupling agent (SCA) was also used to improve the interfacial adhesion between glass fibers and epoxy matrix. During specimen preparation, hardener and...
Flexibility improvement of epoxy resin used in fiber reinforced composites
Öztürk, Aslı; Kaynak, Cevdet; Tinçer, Teoman; Department of Polymer Science and Technology (2000)
Flexibility improvement of epoxy resin by liquid rubber modification
Kaynak, Cevdet; Tincer, T (2002-09-01)
The objective of this study was to improve the flexibility of diglycidyl ether of bisphenol-A based epoxy resin by using a liquid rubber. For this purpose, hydroxyl terminated polybutadiene (HTPB) was used at two concentrations of 1% and 1.5% by weight. In order to improve compatibility between liquid rubber and epoxy, a silane coupling agent (SCA) was also used. Bending test specimens were moulded by using four different orders of mixing of HTPB with SCA and hardener to investigate the compatibility of HTP...
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This paper aims to develop a novel algorithm based on all contractual and technical real-world constraints for a gas import/wholesale company in the concept of flexibility. The Mixed Integer Linear Program (MILP) is applied to a portfolio of contracts to produce the optimal amount of purchases pipeline natural gas (PNG) agreements, spot natural gas purchases, natural gas storage use levels and Session IV (16:00-17:30) – ENERGY & FINANCE 18 LNG purchases based on a real life case under various commitments s...
Flexibility modelling of natural gas contracts: İstanbul case
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Natural gas is one of the main energy source in the world and plays an important role in energy demand. The liberalization process in the natural gas market has shifted the focus on the Local Distribution Companies (LDCs) which make the procurement and transportation decisions. The decisions such as the pipeline sales, Liquefied Natural Gas (LNG) sales, other sources of natural gas procurement, transportation and storage opportunities provide the LDCs an opportunity to trade the natural gas in a least-costs...
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A. Arıkan, “Flexibility improvment of short glass fiber reinforced epoxy,” Middle East Technical University, 2001.