สืบค้นงานวิจัย
Nonlinear Viscoelsticity of Rubber Nanocomposites
Sabu Thomas - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Nonlinear Viscoelsticity of Rubber Nanocomposites
ผู้แต่ง / หัวหน้าโครงการ (EN): Sabu Thomas
บทคัดย่อ (EN): Nonlinear viscoelsticity of rubber nanocomposites (Payne effect and Mullin’s effect) has received a lot attention during the last few years since rubber nanocomposites are being used in dynamic applications. The Payne effect is a very interesting feature of the dynamic behaviour of rubber composites, especially rubber compounds containing fillers such as carbon black, carbon nanotubes, silica etc. from macro to nanoscales. The Payne effect is named after the British rubber scientist A. R. Payne, who made extensive studies of the effect (e.g.Payne 1962). The effect is sometimes also known as the Fletcher-Gent effect, after the authors of the first study of the phenomenon (Fletcher and Gent 1953). The effect is observed under cyclic loading conditions with small strain amplitudes, and is manifest as a dependence of the viscoelastic storage modulus on the amplitude of the applied strain. Above approximately 0.1% strain amplitude, the storage modulus decreases rapidly with increasing amplitude. At sufficiently large strain amplitudes (roughly 20%). The storage modulus approaches a lower bound. In that region where the storage modulus decreases the loss modulus shows a maximum. The Payne effect depends on the filler content of the material and vanishes for unfilled elastomers. Physically, the Payne effect can be attributed to deformation-induced changes in the material’s microstructure, i.e. to breakage and recovery of weak physical bonds linking adjacent filler clusters. Since the Payne effect is essential for the frequency and amplitude-dependent dynamic stiffness and damping behaviour of rubber bushings, automotive tyres and other products. Constitutive models to represent it have been developed in the past (e.g. Lion et al., 2003). Similar to the Payne effect under small deformations is the Mullins effect that is observed under large deformations. In the present tlak, the Payne effect and Mullins effect of nanocomposites will be presented. Fillers such as nanosilica, carbon black, carbon nanotubes, nanoclay etc. show strong payane effect in rubbers. The effect of coupling agent and temperature on the payne effect had been carefully studied. The variable density model of Goritiz and Mayer had been utilised to model the behviour of the nanocomposites. The model gave an excellent fit with the experimental.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): fillers
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
หากไม่พบเอกสารฉบับเต็ม (Full Text) โปรดติดต่อหน่วยงานเจ้าของข้อมูล

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Sabu Thomas. "Nonlinear Viscoelsticity of Rubber Nanocomposites". ไม่ระบุหน่วยงาน. ม.ป.ป.

Sabu Thomas. "Nonlinear Viscoelsticity of Rubber Nanocomposites". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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Nonlinear Viscoelsticity of Rubber Nanocomposites
Sabu Thomas
การยางแห่งประเทศไทย
ไม่ระบุวันที่เผยแพร่
POTENTIAL OF INCREASING THE PLANTING DENSITY OF RUBBER IN SRI LANKA RUBBER FACTORY EFFLUENTS TREATMENT WITH UASB –STABILIZATION POND- OXIDATION DITCH METHOD STUDY ON THE POTENCY OF SERRATIA BACTERIA USED TO CONTROL WHITE ROOT DISEASE IN RUBBER SUPPORTS OF THE VIETNAM RUBBER ASSOCIATION FOR RUBBER INDUSTRY The Role of Myanmar Rubber Planters and Producers Association (MRPPA) in Natural Rubber Development and its Recent Activities FEASIBILITY OF RUBBER (Hevea brasiliensis Mull. Arg.) CULTIVATION IN THE EASTERN PROVINCE OF SRI LANKA; A NON TRADITIONAL AREA FOR RUBBER JDM88 AGRO-VENTURES RUBBER BASED FARMING SYSTEM A FIRST PHYSIOLOGICAL ASSESSMENT OF LATEX CLONAL METABOLIC TYPOLOGY AND RUBBER YIELD POTENTIAL OF “CMS” RUBBER TREE CLONES IDENTIFICATION OF SUITABLE SPECIES AND GENOTYPES FOR CUT FOLIAGE CULTUVATION ON RUBBER LANDS Reverse Engineering of Rubber and Rubber Products
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