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Delamination damage analysis of UHMWPE/LDPE thermoplastic composites based on acoustic emission
关键字:UHMWPE/LDPE composites,delamination,acoustic emission,pattern recognition The delamination damage of was studied by a new analytical technique in this paper. Experiment was carried out on [±45°] angle-ply laminates and specimens of different fiber volume fractions were tested under uniaxial tensile lo...
http://www.polymer.cn/research/dis_info11565 |
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Effects of jute fiber pretreatments on mechanical properties of jute/PP composite
关键字:jute/PP composite,jute fiber pretreatments,mechanical properties,surface analysis In this study, jute fiber was pretreated by sodium hydroxide, acetic acid and silane coupling agent (KH550). Linear density, moisture absorption, mechanical properties, FTIR analysis and SEM morphology observation of jute fibers were t...
http://www.polymer.cn/research/dis_info11529 |
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Frequency spectral analysis on AE signals of damage mechanisms in PE/PE composites
关键字:Acoustic emission,PE/PE laminates,Frequency feature,Damage mechanisms The objective of present study is to investigate frequency features of acoustic emission (AE) signals generated by different damage mechanisms in PE/PE self reinforced laminates. Two kinds of specimen pure resin and PE/PE unidirectiona...
http://www.polymer.cn/research/dis_info11501 |
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Study on the tensile strength of flexible composites based on Weibull model
关键字:Flexible composites,Woven fabric,Weibull theory,Tensile strength,Reliability analysis The tensile strength of flexible composites exhibits large scatter mainly as a result of the complexity and interaction of failure modes, and manufacturing induced defects. A practical approach in design for strength of flexible c...
http://www.polymer.cn/research/dis_info11491 |
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Numerical analysis of air gap effect on PAN as-spun fiber formation in dry-jet wet spinning
关键字:PAN fiber, modeling, dry-jet wet spinning This paper is devoted to a mathematical model for dry-jet wet spinning process based on PAN/DMSO system. The concentration profile both in air gap and in the coagulation bath of the as-spun fiber is calculated using diff...
http://www.polymer.cn/research/dis_info11489 |
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Preparation and controlled-release analysis of ethyl cellulose ―moxa leaf powder solution microcapsules
关键字:ethyl cellulose, moxa leaf powder solution, microcapsules In this paper, moxa leaf powder solution microcapsules are firstly prepared by phaseseparation of ethyl cellulose. The microcapsule granules prepared are spherical; with gooddispersibility and diameters of 10-100μm; have good effects in pr...
http://www.polymer.cn/research/dis_info11206 |
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3D finite element simulation of transient temperature field for rapid electrical heating cycle injection mold
关键字:Thermal analysis; rapid heating cycle molding; 3D FEM simulation Rapid electrical heating cycle injection molding technology can be used toproduce polymer parts with no weld mark, flow mark and other surface defects on theparts surface. Recently, it has been gradually found wide use in pla...
http://www.polymer.cn/research/dis_info11199 |
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Analysis of Melting process and Numerical Simulation of Pure UHMW-PE Pipe based on Molding in Barrel Technology
关键字:UHMW-PE, Molding in barrel, Melting process, Numerical Simulation Ultra High Molecular Weight Polyethylene(UHMW-PE) pipe is a kindof pipe of thermoplastic engineering plastic with excellent comprehensiveperformance, but the difficulty in molding is a technical bottleneck which hasalready affected the extensive ...
http://www.polymer.cn/research/dis_info11190 |
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3D finite element simulation of transient temperature field for rapid electrical heating cycle injection mold
关键字:Thermal analysis; rapid heating cycle molding; 3D FEM simulation Rapid electrical heating cycle injection molding technology can be used toproduce polymer parts with no weld mark, flow mark and other surface defects on theparts surface. Recently, it has been gradually found wide use in pla...
http://www.polymer.cn/research/dis_info11186 |
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Comparison of human articular cartilage and polyvinyl alcohol hydrogel as artificial cartilage in microstructure analysis and unconfined compression
关键字:Biomaterial; Cartilage; Hydrogel; Microstructure; Compression Many biomaterials have been developed to replace articular cartilage. Oneof these materials, polyvinyl alcohol (PVA) hydrogel is proposed to be used asartificial cartilage in joint replacement. To better understand the differences betweenhuman&n...
http://www.polymer.cn/research/dis_info11177 |
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