Synthesis of polyurethane/clay nanocomposites based palm oil polyol coating

Rihayat, Teuku; Suryani, Salim; Agusnar, Harry; Fajri,; Zaimahwati,

doi:10.15282/jmes.9.2015.5.0153

Cited by 12 publications

(7 citation statements)

References 20 publications

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“…However, the high cost associated with the presently available MMCs remains a major barrier to their widespread use. Aluminium alloys reinforced with micro-ceramic particulates generally referred as Al-metal matrix composites (Al-MMCs) are gaining widespread attractiveness in several engineering fields due to their better mechanical and wear resistance properties compared to their unreinforced counterparts [6][7][8][9]. Nowadays, Al-MMCs are being used as base materials in several applications such as pistons, pushrods, cylinder liners, and brake discs.…”

Section: Introductionmentioning

confidence: 99%

Abrasive wear behaviour of aluminium hybrid nanocomposites produced by ultrasonication assisted casting method

Lakshmanan¹

2022

Int. J. Automot. Mech. Eng.

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In this investigation, the abrasive wear resistance of Al/ (B4C+SiC) hybrid nanocomposites was tested against hard SiC abrasive sheets and compared to those of unreinforced Al alloy. Three loadings of nano-SiC (0.5, 1.0, and 1.5 Wt. %) and one loading of nano-B4C (0.5 Wt. %) were mixed with an aluminium alloy to produce the aluminium hybrid nanocomposites using an ultrasonication assisted casting method. Scanning electron microscopy showed a uniform distribution of nanoparticles in the Al alloy. Transmission electron microscopy indicated an increase in the dislocation density of nanocomposites compared to monolithic Al. The abrasive wear experiments were conducted on a Pin-on-Disc tribometer using pins of 9 mm diameter and 15 mm height under dry sliding conditions at room temperature. The wear rate in terms of wear volume per unit weight was calculated for both unreinforced alloy and hybrid nanocomposites. It was observed that Al hybrid nanocomposites showed superior wear resistance properties compared to the unreinforced sample. The nanocomposite with 1.5 Wt.% nano-SiC and 0.5 Wt.% nano-B4C possessed better wear resistance properties compared to the other composites tested in this work. The worn out surface of the Al alloy and its hybrid nanocomposites imply that the wear mechanism is through plowing action on the surface by SiC abrading particulates. The nanocomposite with 1.5 Wt.% SiC and 0.5 Wt.% B4C showed 88.32 % increase in wear resistance compared to the monolithic Al. This combination of material can be selected for abrasive wear resistance applications.

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Section: Introductionmentioning

confidence: 99%

Abrasive wear behaviour of aluminium hybrid nanocomposites produced by ultrasonication assisted casting method

Lakshmanan¹

2022

Int. J. Automot. Mech. Eng.

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“…For example, various kinds of drying, nondrying and semi-drying vegetable oils were used as a precursor for different kinds of resins, viz. epoxy, polyurethanes and polyesters [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Effect of Curing on Hydrolytic Degradation of Montmorillonite Nanoclays Filled Biobased Polyesters

Islam

Isa

Yahaya

2017

Polymers from Renewable Resources

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Palm oil based polyester (POPE) reinforced with montmorillonite nano clays (MNCs) were investigated for curing kinetics and hydrolytic degradation analysis. Alcoholises and esterification process were followed to produce POPE. The prepared resins were cured thermally by using methyl ethyl ketone peroxide (MEKP), styrene and cobalt-naphthenate at 120 o C. The curing kinetics was analysed by differential scanning calorimetry (DSC). The rate of reaction, activation energy and degree of conversion were measured by this analysis. The activation energy and reaction order were found to be decreased due to increase of heating rate of the curing process. Alkali solution was used for the hydrolytic degradation for different samples prepared at different curing conditions such as low period-high temperature (LPHT) and high period-low temperature (HPLT). The properties were affected due to the variation of curing process as confirmed by degradation behaviours in terms of tensile strength, melting point and surface morphology. The degradation of the composites were influential and faster at LPHT condition compared to HPLT condition.

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“…The most used are the metal matrix composites (MMCs). The importance of composite is revealed by the truth that it is widely used for all sorts of industrial applications [12][13][14]. The difficulty in machining by EDM over a MMC has been sorted out by the use of powder mixed dielectric EDM (PMEDM).…”

Section: Introductionmentioning

confidence: 99%

A review on machining of metal matrix composites using nanoparticle mixed dielectric in electro-discharge machining

Mohanty¹,

Routara²

2016

Int. J. Automot. Mech. Eng.

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The growth in the new advanced materials that are harder till date have led to the improvement of technologies used to machine them. Nowadays, new materials have been developed to be used in different sectors where lighter and harder materials are in vast requirement. Moreover, materials machined with high precision machine tools have to provide the greatest surface finish such that it catches the pace with other competitive materials. Research has shown that the electro-discharge machining (EDM) is the only machine tool that has created history in machining hard materials. In the recent years, metal matrix composites (MMCs) have an increasing demand in the industries since they are hard materials to machine and a good finish is required in the aerospace, marine, aircraft, nuclear and other similar industries. Thus, EDM has gained fame in machining MMCs. With due course, the powder mixed electro-discharge machining (PMEDM) has created efficient EDM, with the use of powders in the dielectric. The dielectric mixed EDM has been used for efficient material removal rate (MRR). With the change in technologies, the sizes of powders that have to be added in the dielectric fluid go on decreasing. In this review, studies by numerous researchers on the MMCs that are machined with the use of PMEDM are mentioned. The powders used in the experimentation are of nano size. Furthermore, the optimization technique used by the researchers is discussed in the present study.

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Synthesis of polyurethane/clay nanocomposites based palm oil polyol coating

Cited by 12 publications

References 20 publications

Abrasive wear behaviour of aluminium hybrid nanocomposites produced by ultrasonication assisted casting method

Abrasive wear behaviour of aluminium hybrid nanocomposites produced by ultrasonication assisted casting method

Effect of Curing on Hydrolytic Degradation of Montmorillonite Nanoclays Filled Biobased Polyesters

A review on machining of metal matrix composites using nanoparticle mixed dielectric in electro-discharge machining

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