The Fatigue Behaviour of Filled Epoxidized Natural Rubber Compounds

Ismail, Hanafi; Ishiaku, U. S.; Lu, E. S.; Ishak, Z. A. Mohd

doi:10.1080/00914039708041023

Cited by 9 publications

(5 citation statements)

References 9 publications

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“…The introduction of llers into the matrix enhances stiffness, subsequently limiting molecular mobility. According to Ismail et al [54], incorporating llers at higher loading results in poorer ller dispersion and a decrease in the amount of rubber matrix that can be effectively wetted. This can act as a stress concentration, leading to a reduction in fatigue life.…”

Section: Resultsmentioning

confidence: 99%

The influence of HNTs on the mechanical properties, swelling resistance, and microstructural properties of nanocomposites based on silicone rubber

Praveenkumar,

Ragupathy,

Pragadish

et al. 2023

Preprint

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Halloysite nanotubes (HNTs), an innovative material, were integrated into a silicone rubber (SR) matrix. This investigation aimed to assess the influence of varying HNTs concentrations on the curing behavior, mechanical properties, swelling resistance, and microstructural features of SR/HNTs nanocomposites. These nanocomposites were formulated by incorporating HNTs at different concentrations (0-10 phr) through a two-roll mill. The cure characteristics revealed an upsurge in maximum torque (MH) with escalating HNTs loading, accompanied by a decrease in cure time (t90) and scorch time (ts2). The abrasion resistance exhibited an increment with increasing HNTs loading, reaching optimal levels at 6 phr, and tensile characteristics demonstrated improvement up to this optimal loading. Morphological analysis illustrated the uniform dispersion of HNTs within the SR matrix, indicating a positive interaction between HNTs and silicone rubber.

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Section: Resultsmentioning

confidence: 99%

The influence of HNTs on the mechanical properties, swelling resistance, and microstructural properties of nanocomposites based on silicone rubber

Praveenkumar,

Ragupathy,

Pragadish

et al. 2023

Preprint

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“…Lack of wetted efficiency by rubber at higher loading of filler worsens the filler distribution in matrix. These inherent defects act as stress concentration and reduce the fatigue life 13, 14…”

Section: Resultsmentioning

confidence: 99%

“…However, less investigation regarding the effect of nanosize filler in fatigue properties has been done. Previously, many researchers have been used micrometer size of fillers such as paper sludge,12 white rice husk ash (WRHA),13, 14 feldspar,15 and oil palm wood flour16 to study the fatigue properties of rubber. From these investigations, all researchers stated that the addition of filler in rubber only caused reduction in fatigue life and increment in hysteresis.…”

Section: Introductionmentioning

confidence: 99%

Fatigue and hysteresis behavior of halloysite nanotubes‐filled natural rubber (SMR L and ENR 50) nanocomposites

Ismail

Salleh

Ahmad

2012

J of Applied Polymer Sci

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The effect of various halloysite nanotubes (HNTs) loading on fatigue life, stress-strain behavior, and hysteresis of HNTs/ Standard Malaysian Rubber (SMR) L and HNTs/epoxidized natural rubber (ENR) 50 nanocomposites were studied. The addition of HNTs caused decrement in fatigue life for both nanocomposites at any extension ratio. Generally, HNTs/SMR L nanocomposites showed higher fatigue life than ENR 50 nanocomposites. Addition of more HNTs caused decrement of stress for HNTs/SMR L nanocomposites, whereas HNTs/ENR 50 nanocomposites showed vice versa at any strain. This result was supported by the graph of accumulated strain energy against extension ratio. Hysteresis values increased with addition of HNTs in both nanocomposites where of HNTs/ENR 50 nanocomposites exhibited higher hysteresis than HNTs/SMR L nanocomposites at any HNTs loading.

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“…The addition of HNTs increases the immobilization of rubber molecules, which induces stiffness in the nanocomposites. Mohd Ishak et al [22] stated that higher fatigue life is observed when the chains are more flexible, due to the higher resilience it has towards cyclic deformation. Hence, the reduction of flexibility shortens the fatigue life of nanocomposites.…”

Section: Fatigue Propertiesmentioning

confidence: 98%

Properties of Halloysite Nanotube (HNT) Filled SMR L and ENR 50 Nanocomposites

Ismail

Salleh

Ahmad

2013

International Journal of Polymeric Materials and Polymeric Biom

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Various HNTs loading filled SMR L and ENR 50 were prepared. Addition of HNTs caused increments in scorch time, cure time, tensile modulus, and thermal stability of nanocomposites. Optimum tensile strength of nanocomposites was achieved at 20 phr loading. Elongation at break, swelling percentage, and fatigue life decreased with increasing HNTs loading. ENR 50 nanocomposites show shorter scorch time, longer cure time, and lower curing rate index than SMR L nanocomposites. ENR 50 nanocomposites also show higher tensile modulus and thermal stability than SMR L nanocomposites. SEM images show that HNTs can be dispersed more uniformly at lower filler loading.

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The Fatigue Behaviour of Filled Epoxidized Natural Rubber Compounds

Cited by 9 publications

References 9 publications

The influence of HNTs on the mechanical properties, swelling resistance, and microstructural properties of nanocomposites based on silicone rubber

The influence of HNTs on the mechanical properties, swelling resistance, and microstructural properties of nanocomposites based on silicone rubber

Fatigue and hysteresis behavior of halloysite nanotubes‐filled natural rubber (SMR L and ENR 50) nanocomposites

Properties of Halloysite Nanotube (HNT) Filled SMR L and ENR 50 Nanocomposites

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