The Role of Interfacial Rigidity to Crack Propagation Path in Fiber Reinforced Polymer Composite

Budiman, Bentang Arief; Adziman, Fauzan; Sambegoro, Poetro Lebdo; Nurprasetio, Ignatius Pulung; Ilhamsyah, Rizky; Aziz, Muhammad

doi:10.1007/s12221-018-8194-z

Cited by 16 publications

(9 citation statements)

References 33 publications

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“…The nanoindentation tip breaks the atomic bonding that is in the amorphous phase, while the crystallites themselves still remained (no change) (Lee et al, 2005). A similar mechanism of crack propagation in composite materials is also explained by other reports (Budiman et al, 2017;Budiman et al, 2018;Triawan et al, 2020). These hypotheses also explained the main reason for the similar mechanical properties of amorphous material with various crystalline amounts.…”

Section: Resultssupporting

confidence: 67%

“…This condition makes the atomic bonding difficult to be broken. When applying the load pressure, the interface between crystallites (as a layer between crystallites) plays important roles in the behavior of crack propagation mechanism (Budiman et al, 2018;Sangid et al, 2011;Zhai et al, 2000). The formed cracks have to find paths with the lowest interfacial energy to propagate inside the particle.…”

Section: Resultsmentioning

confidence: 99%

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Crystallite Size on Micromechanical Characteristics of WO3 Microparticles

Nandiyanto

Triawan²,

Firly³

et al. 2021

JER is an international, peer-reviewed journal that publishes f

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This study evaluated the relationship between crystallite size and micromechanical characteristics of micrometersized monoclinic WO3 particles. To avoid the existence of other parameters in the measurement (such as impurities and porous structure in the particle), micrometer WO3 particles were prepared using a direct heat treatment of ultrapure micrometer-sized ammonium tungstate powders. The crystallite size was controlled independently in constant WO3 particle outer diameters to obtain a precise measurement result. The mechanical properties, i.e., hardness and Young’s modulus, were measured by load-controlled nanoindentation test on the singular WO3 particles. The force and displacement relationship data was plotted and analyzed to obtain the relationship between crystallite size and mechanical properties. The results revealed that the micromechanical properties of WO3 particles were strongly dependent on the crystallite size. The hardness and Young’s modulus values increased more than three times when increasing the crystallite size to about 40 nm. The study was completed with a proposed mechanism of crack propagation inside the particle due to static load. The study demonstrates the important role of crystallite size in determining the micromechanical characteristics of WO3 particles. The result is useful especially when utilizing WO3 microparticles for various processes involving extreme conditions, such as high pressure reaction.

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Section: Resultssupporting

confidence: 67%

Section: Resultsmentioning

confidence: 99%

Crystallite Size on Micromechanical Characteristics of WO3 Microparticles

Nandiyanto

Triawan²,

Firly³

et al. 2021

JER is an international, peer-reviewed journal that publishes f

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“…The use of rice husk as filler may increase the composite stiffness [15]. However, it can decrease the composite strength and strain at failure significantly due to low interfacial bonding between the rice husk and the polymer resin [16].…”

Section: Introductionmentioning

confidence: 99%

The Effects of Rice Husk Particles Size as A Reinforcement Component on Resin-Based Brake Pad Performance: From Literature Review on the Use of Agricultural Waste as A Reinforcement Material, Chemical Polymerization Reaction of Epoxy Resin, to Experiments

Nandiyanto

Hofifah

Girsang

et al. 2021

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This study aims to investigate the effect of rice husks’ particle size on resin-based brake pad performance (i.e. compressive strength, puncture strength, mass loss, wear rate, friction coefficient, and heat resistance). Bisphenol A-epichlorohydrin and cycloaliphatic amine were mixed to form resin and used as the brake pad's base material. In the experiment, rice husk with a specific particle size (i.e., 250, 500, dan 1000 μm) was added to the resin. Rice husk has received considerable interest due to its lignin, cellulose, and silica content, making it suitable as friction material due to its ceramic-like behavior. The experimental results showed small rice husk particles improved compressive strength, puncture strength, and bulk density. This can be obtained from the analysis of the maximum compressive strength for brake pad supported by particles with sizes of 250, 500, and 1000 μm having values of 0.238; 0.173; and 0.144 MPa, respectively. In contrast, large particles formed coarse surfaces and pores, decreased mass loss rate, and improve friction properties (i.e. wear rate, friction coefficient). The friction coefficient values of brake pad supported by particles with sizes of 250, 500, and 1000 µm were, respectively, 0.2075; 0.2070; and 0.3379. Particle size affected interpacking, interfacial bonding, pores number and size, thermal softening, mechanical properties, and friction properties of the brake pad. Comparison between the prepared resin-based and commercial brake pad was also done, confirming the utilization of agro-waste as a potential alternative for friction material in the brake pad.

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“…reported that mechanical locking could contribute to interfacial strength up to 50% under shearing load, which is very significant to influence overall composite performance. 10 Yao et al. introduced an analytical solution of mechanical locking effects on the fiber-reinforced polymer composite.…”

Section: Introductionmentioning

confidence: 99%

“…Budiman et al reported that mechanical locking could contribute to interfacial strength up to 50% under shearing load, which is very significant to influence overall composite performance. 10 Yao et al introduced an analytical solution of mechanical locking effects on the fiber-reinforced polymer composite. 11 They modeled the surface roughness as a sinusoidal curve and found that the mechanical locking increases the interfacial strength.…”

Section: Introductionmentioning

confidence: 99%

The influence of fiber surface profile and roughness to fiber–matrix interfacial properties

Putra

Budiman

Sambegoro

et al. 2019

Journal of Composite Materials

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This work investigates the influence of fiber surface profile and roughness to fiber–matrix interfacial properties. A series of the push-out test is performed using specimens with different fiber surface profile and roughness. Numerical simulation is then carried out by employing a finite element method to fit the experimental data. The model contains an indenter which pushes in a single fiber from the matrix, while the cohesive zone model is applied to represent the interface resulting in force–displacement curves. Our results suggest that continuous cavities formed in graphite-based fiber may not be beneficial to interfacial properties since it can accelerate a debonding process along with the interface. In contrast, scattered cavities on the fiber surface create strong mechanical locking, which increases the interfacial strength. These results broaden the understanding of the surface profile, which would shed light on a new perspective in designing composite structures.

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The Role of Interfacial Rigidity to Crack Propagation Path in Fiber Reinforced Polymer Composite

Cited by 16 publications

References 33 publications

Crystallite Size on Micromechanical Characteristics of WO3 Microparticles

Crystallite Size on Micromechanical Characteristics of WO3 Microparticles

The Effects of Rice Husk Particles Size as A Reinforcement Component on Resin-Based Brake Pad Performance: From Literature Review on the Use of Agricultural Waste as A Reinforcement Material, Chemical Polymerization Reaction of Epoxy Resin, to Experiments

The influence of fiber surface profile and roughness to fiber–matrix interfacial properties

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