Mechanical and tribological behavior of clay–polypropylene nanocomposites

Kanny, Krishnan; Jawahar, P.; Moodley, V. K.

doi:10.1007/s10853-008-2938-x

Cited by 44 publications

(23 citation statements)

References 19 publications

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“…In neat HDPE, the wear surface shows the presence of plowing marks. Similar wear loss of polypropylene-based nanocomposites due to plowing was observed elsewhere [31]. The mode of material removal was by the plowing action of the soft HDPE pin when subjected to the hard surface asperities of the brass counter disk.…”

Section: Wear Characteristicssupporting

confidence: 70%

Effect of nanoclay in HDPE–glass fiber composites on processing, structure, and properties

Mohan¹,

Kanny

2012

Advanced Composite Materials

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Natural Na + montmorillonite (MMT) microclay and organo-treated MMT nanoclay were independently filled in a high-density polyethylene (HDPE) polymer and HDPE-glass fiber (GF) composite and the rheological and mechanical properties were examined. The addition of nanoclay in the HDPE polymer and HDPE-GF composite increased the melt viscosity, rate of crystallization, and crystalline fraction. Addition of Na + MMT clay on the other hand did not affect the crystalline properties, but increased the melt viscosity marginally. The composite was also examined after the addition of a polyethylene-grafted maleic anhydride-based compatibilizer. It was found that the compatibilizer improved the dispersion of clay particles in the polymer matrix which in turn affected the rheological and mechanical properties of the composite. Improved tensile and wear properties were observed in nanoclay-filled composites when compared to microclay-filled composites.

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Section: Wear Characteristicssupporting

confidence: 70%

Effect of nanoclay in HDPE–glass fiber composites on processing, structure, and properties

Mohan¹,

Kanny

2012

Advanced Composite Materials

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“…Several researchers [20,21] have shown that X-ray diffraction method can be used to observe the distribution and dispersion of NC particles in a polymer and to characterise the degree of dispersion. In order to measure the interlayer distance using the diffraction peak and its position in an XRD pattern, the Bragg's equation is typically employed [7] .…”

Section: X-ray Diffraction Propertiesmentioning

confidence: 99%

Effect of compatibiliser on the properties of polypropylene/glass fibre/nanoclay composites

2018

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“…Selecting appropriate ingredients, their combination and justifiable volumetric loading are the real challenge faced by the formulation designers. The significant role of various fibrous constituents and their combination are extensively reported (Ref 1-7) and the role of various lubricants and other specialty fillers into structurally different binder resins have already been amply reported in the literatures (Ref [8][9][10][11][12][13][14][15][16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Effect of Nanoclay Reinforcement on the Friction Braking Performance of Hybrid Phenolic Friction Composites

Singh

Patnaik

Satapathy

et al. 2012

J. of Materi Eng and Perform

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Friction composite formulation consisting of decreasing nanoclay/lapinus fibres content, increasing graphite/aramid fibres content, and master batch of phenolic/barite is designed, fabricated, and characterized for their mechanical, thermo-mechanical, and tribological studies in braking situations. A standard test protocol is adopted for evaluating braking performance. The nanoclay content (£2.25 wt.%) enhances hardness, impact strength, storage, and loss modulus characteristics of the friction composites. Such composites exhibit higher friction stability as well as variability coefficient. However, composites with higher content of nanoclay ($2.75 wt.%) exhibit moderate level of stability coefficient and minimum variability coefficient. Fade performance improves with nanoclay content whereas friction fluctuations increase continuously with increasing nanoclay content. The disc temperature continuously rises with nanoclay contents, it becomes maximum for nanoclay content 2.75 wt.%. The same composition found to be effective in arresting temperature rise, arrests fading, improves recovery, moderate stability with minimum variability coefficient, and higher level of l-performance hence recommended. The wear performance deteriorates with lapinus/nanoclay content and improves with the amount of aramid/graphite in the friction composites. Worn surface morphology study (using SEM) reveals the associated wear mechanisms responsible for wear of investigated composites. XRD study confirms the presence and dispersion of nanoclay with other composite ingredients.

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Mechanical and tribological behavior of clay–polypropylene nanocomposites

Cited by 44 publications

References 19 publications

Effect of nanoclay in HDPE–glass fiber composites on processing, structure, and properties

Effect of nanoclay in HDPE–glass fiber composites on processing, structure, and properties

Effect of compatibiliser on the properties of polypropylene/glass fibre/nanoclay composites

Effect of Nanoclay Reinforcement on the Friction Braking Performance of Hybrid Phenolic Friction Composites

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