Experimental analysis and modelling of the long term thermo-mechanical behaviour of glass/polypropylene syntactic used on thermally insulated offshore pipeline

Phan, V. T.; Choqueuse, Dominique; Cognard, Jean‐Yves; Sohier, Laurent

doi:10.1016/j.porgcoat.2012.09.028

Cited by 16 publications

(65 citation statements)

References 21 publications

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“…As previously reported by several authors, [8,9,17] composites with a significative content of HGM fillers (25 to 30 wt%) traditionally present improved values of Young's modulus but reduced values of tensile strength and elongation at break when compared to the values shown by the matrix polymer alone. As previously mentioned, the HGMs behave as defects, which may initiate cracks leading to failures when subjected to mechanical loads.…”

Section: Tensile Strength and Elongation At Breaksupporting

confidence: 79%

“…For instance, the introduction of HGMs produces a composite with thermal and mechanical properties significantly different from the properties of the matrix material. [5][6][7][8][9] The HGMs may be considered fragile points where defects arise and lead to the composite failure if subjected to mechanical loads. The HGMs introduce heterogeneities within the matrix, disturb the molecular organization, and may break during processing or when under pressure.…”

Section: Introductionmentioning

confidence: 99%

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Polypropylene and hollow glass microspheres compatibilization via addition of compatibilizing agents

Haverroth

Soares

2021

Polymer Composites

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The glass syntactic polypropylene composite highlights as the most used wet thermal insulation solution for subsea pipelines. The continuous and disperse phases of the material, however, show low interaction levels due to poor chemical compatibility between the polypropylene matrix and the hollow glass microspheres, ultimately leading to a premature failure when subjected to mechanical loads. This article assesses the use of poly(propylene-g-maleic anhydride) and ethylene-acrylic ester-glycidyl methacrylate terpolymer as compatibilizing agents to enhance the matrix-filler interaction. The effectiveness

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Section: Tensile Strength and Elongation At Breaksupporting

confidence: 79%

Section: Introductionmentioning

confidence: 99%

Polypropylene and hollow glass microspheres compatibilization via addition of compatibilizing agents

Haverroth

Soares

2021

Polymer Composites

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“…DMA is principally used to find maximum use temperature to locate thermal transitions and glass transition temperature ( T g ), which can determine the suitability of the material for application in a particular environment.…”

Section: Dynamic Mechanical Analysismentioning

confidence: 99%

Room temperature processable heat‐resistant epoxy‐oxazolidone‐based syntactic foams

Robert

Nair²,

Mathew

et al. 2017

Polymers for Advanced Techs

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Syntactic foams based on oxazolidone‐modified epoxy resin using glass microballoons as reinforcing filler with varying densities were processed. The influence of various grades of microballoons and their concentration on the mechanical, thermal, thermomechanical, and flammability characteristics were investigated. The effect of temperature on the compressive strength with density was monitored in detail. By incorporating the microballoons, Tg of the syntactic foam increased from 90 °C to 115 °C. Thermal conductivity was found to decrease from (0.064 to 0.056 W/(m·K)) in conjunction with decreasing resin to filler ratio. In the case of composites filled with K25 alone, the creation of large voids due to less effective packing between the microballoons led to lower thermal conductivity. The specific heat of the different composites was in the range of 0.32 to 0.44 cal/g/°C, and the coefficient of thermal expansion was in the range of 13.2 to 17.4 × 10−6/°C with limiting oxygen index of 28% to 33%.

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“…They have been widely used in several engineering applications due to their low moisture absorption, good thermal insulation, and excellent strength to weight ratio, vibration isolation, and low radar cross-section properties [3][4][5]. As a class of advanced lightweight composites, syntactic foams have been widely employed in more and more engineering applications, e.g., civil, automobile, aeronautical, marine equipment for deep sea operations [6], aircraft components, spacecraft solid rocket booster nose cones fillings, thermal insulation for deep sea pipelines [7][8][9], core materials of sandwiches [10,11], and structural components in aerospace industry [12].…”

Section: Introductionmentioning

confidence: 99%

A Novel High Strain Rate Sensitive Rigid Polyurethane Resin Based Syntactic Foam

Yazıcı

2016

Acta Phys. Pol. A

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Syntactic foams are closed cell structured foam materials and present improved properties for lightweight and high performance material requests. They have been widely used in naval, aeronautical, aerospace, civil, industrial, and automotive engineering applications on account of their good acoustical attenuation, excellent strength to weight ratio, vibration isolation, dielectric properties. In this study, a novel high strain rate sensitive syntactic foam was developed. A rigid polyurethane resin was used as a binder material. Glass bubbles were used as an additive for producing cell structure. Elastomeric silicone rubber resin were used to change elastic properties of the foam as an additional binder material. Quasistatic compression properties and high strain rate compression properties were obtained by using Instron Universal Tensile-Compression Machine and Split Hopkinson Pressure Bar experimental setup respectively. The results show that developed foams are low dense and very high strain rate sensitive materials. Consequently, developed foam can be used for the blast, impact or ballistic mitigation purpose as a coating material.

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Experimental analysis and modelling of the long term thermo-mechanical behaviour of glass/polypropylene syntactic used on thermally insulated offshore pipeline

Cited by 16 publications

References 21 publications

Polypropylene and hollow glass microspheres compatibilization via addition of compatibilizing agents

Polypropylene and hollow glass microspheres compatibilization via addition of compatibilizing agents

Room temperature processable heat‐resistant epoxy‐oxazolidone‐based syntactic foams

A Novel High Strain Rate Sensitive Rigid Polyurethane Resin Based Syntactic Foam

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