Effect of POSS and chain extender on tensile and fracture properties of neat and short glass fiber reinforced polyamide 6 composites

Yilmaz, Sinan; Yılmaz, Taner

doi:10.1016/j.compositesa.2014.09.005

Cited by 14 publications

(15 citation statements)

References 39 publications

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“…Sinan et al [132] studied the effect of polyhedral oligomeric silsesquioxane (POSS) and chain extender (1-1 0 -carbonyl-bis-caprolactam [CBC] 1 wt%) on tensile and fracture properties of neat and SGF (10-20 wt%) reinforced PA6 composites. The presence of CBC in the PA6 matrix improved the interfacial adhesion between the fiber and the matrix which was proven by the embedded fibers on the fracture surface.…”

Section: Pa6mentioning

confidence: 99%

Review on nano‐and microfiller‐based polyamide 6 hybrid composite: Effect on mechanical properties and morphology

Ghanta

Aparna

N.K.Verma

et al. 2020

Polymer Engineering & Sci

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Polyamide 6 (PA6)-based composites are of evolving interest due to its high strength, wear resistance, and barrier properties. The use of binary composites mostly with nanomaterial and glass fibers has been reviewed and presented in literature. However to obtain a balance of properties like stiffness, toughness, and strength along with cost reduction, ternary composites of PA6 have been designed. To achieve the balance, PA6 blend-based composites, with combination of microfiller/nanofiller or PA6 with combination micro-microfiller, PA6 with microfiller/nanofiller and fiber have been designed. The properties of PA6-based ternary hybrid composites depend on type of dispersed phase used, presence of compatibilizer, type of filler used (nanofiller or microfiller or fiber or hybrid) and combination of fillers used. However, a review in this direction is not available in literature. Here, in this study, an overall understanding of various fillers, dispersed phase, and their combinations can be understood along with the discussion on effect of these on tensile properties and

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Section: Pa6mentioning

confidence: 99%

Review on nano‐and microfiller‐based polyamide 6 hybrid composite: Effect on mechanical properties and morphology

Ghanta

Aparna

N.K.Verma

et al. 2020

Polymer Engineering & Sci

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“…The influence of secondary bending and the resultant peeling stresses have been widely studied for SLS adhesively bonded [30,32,34,35] and mechanically fastened joints [31,36]. In addition, Scanning electron microscopy (SEM) is frequently employed to investigate the fracture micromechanisms of bonded joints [37] as well as composite materials [38][39][40][41].…”

Section: Introductionmentioning

confidence: 99%

Failure and fracture micro-mechanisms in metal-composite single lap joints produced by welding-based joining techniques

Goushegir

Santos

Amancio‐Filho

2016

Composites Part A: Applied Science and Manufacturing

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Welding-based joining technologies have been recently developed for metal-composite lightweight structures. In this work, the welding-based joining technology, friction spot joining, was selected to study the failure and fracture micro-mechanisms of an aluminum-composite single lap joint. Failure analysis suggested that the radial cracks nucleate at the periphery of the bonding area and propagate rapidly until failure of the so-called adhesion zone. Upon further loading the cracks propagate into the transition and plastically deformed zones leading to a reduction of the stiffness of the joint. The final stage of failure occurs rapidly in a catastrophic manner. The findings of the fractography using scanning electron microscopy demonstrated a mixed brittle-ductile fracture. Three zones were identified on the fracture surfaces: a smooth and featureless area known as the mirror zone demonstrating brittle fracture, a quasi-smooth area representing a mixture of ductile and brittle fractures and finally a zone with a highly rough surface implying ductile fracture of the composite part. Further, fiber pull-out and breakage were identified as additional fracture micro-mechanisms. All in all, metal-2 composite joints produced by welding-based techniques demonstrate a mixed brittleductile fracture.

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“…These two areas are called the inner fracture process zone (IFPZ) and the outer plastic deformation zone (OPDZ). Thus, total fracture work is divided into 2 sections: (1) Essential work of fracture ( W e ), work consumed in the area of the internal fracture process that creates new surfaces, and (2) non‐Essential work or fracture ( βW p ), work consumed in the external deformation zone 32,33 …”

Section: Ewf Theorymentioning

confidence: 99%

Mechanical behavior and essential work of fracture of surface‐modified exfoliated graphite filled polypropylene/ethylene‐vinyl acetate blend nano‐composites

Fotoohi

Ghasemi

Fasihi

et al. 2023

J of Applied Polymer Sci

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Polymer nano-composites have an extensive diversity of applications in many areas, including automotive, construction, healthcare, and electronics. Excellent tensile and fracture properties are commonly required to achieve the appropriate properties. In this research, the tensile and fracture behavior of polypropylene (PP)/ethylene-vinyl acetate (EVA)/exfoliated graphite (EG) blend nanocomposites are investigated. The exfoliated graphite was either unmodified or surface-modified with ammonium polyphosphate (APP). When the modified exfoliated graphite (EG-g-APP) was added to PP/EVA compounds, the tensile properties were more enhanced compared to unmodified EG. The elongation at break was around 2 times greater in the blend containing EG-g-APP. The essential work of fracture (EWF) approach was utilized to evaluate the effect of EG and EG-g-APP on the fracture behavior of PP/EVA blends. The w e and βw p values of the nano-composites including EG-g-APP were mainly higher than nano-composites containing EG at the same nano-filler concentration. Also, according to SEM imaging, the EWF analysis results suggested that the preeminent mechanism of fracture in various compounds is the debonding of EVA from PP, which causes shear yielding and fibrillar structures on the surface of the compounds. It was observed that as EVA increased, the number of cavities and the size of fibrillar structures were increased. Enhancement in fracture toughness and matrix resistance was attributed to a growth in the number of nano-voids and a decrease in voids' size.ammonium polyphosphate, essential work of fracture, ethylene-vinyl acetate, exfoliated graphite, polypropylene, tensile properties | INTRODUCTIONPolypropylene (PP) is the commonly used polyolefin in many applications such as interior construction, food packaging, agriculture, textiles, the automobile industry, electronics appliances, chemical preservation, and so forth. due to its good chemical resistance, easy processing, high thermal stability, and low cost. Against these appropriate properties, the sensitivity to notch and the low toughness of this polymer, especially at low temperatures

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Effect of POSS and chain extender on tensile and fracture properties of neat and short glass fiber reinforced polyamide 6 composites

Cited by 14 publications

References 39 publications

Review on nano‐and microfiller‐based polyamide 6 hybrid composite: Effect on mechanical properties and morphology

Review on nano‐and microfiller‐based polyamide 6 hybrid composite: Effect on mechanical properties and morphology

Failure and fracture micro-mechanisms in metal-composite single lap joints produced by welding-based joining techniques

Mechanical behavior and essential work of fracture of surface‐modified exfoliated graphite filled polypropylene/ethylene‐vinyl acetate blend nano‐composites

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