Fracture toughness analysis of O-POSS/PLA composites assessed by essential work of fracture method

Yilmaz, Sinan; Kodal, Mehmet; Yılmaz, Taner; Özkoç, Güralp

doi:10.1016/j.compositesb.2013.08.081

Cited by 53 publications

(32 citation statements)

References 38 publications

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“…The OA-POSS weight to be added was computed as if 3-5% by weight of the (FeCO 3 + OA-POSS) blend should be added to incorporate in a 50 μm thick FeCO 3 film since POSS moieties appears to be most efficient in these ranges. 30,35,36 Moreover, lower loadings similar to the ones used in CI administration in the order of the ppm were also tested.…”

Section: Discussionmentioning

confidence: 99%

“…Moreover, the enhancement introduced by the POSS addition is also in the same order of magnitude when various POSS entities are blended to commonly researched polymers, that is 3-10 times higher hardness and Young's modulus values. 29,30 Increasing the hardness of the FeCO 3 film is important since it provides the required durability and the ability to resist environmental stresses such as erosive wear. 31 Having a higher ERP at medium OA-POSS loadings, the hybrid FeCO 3 is expected to be more rubbery and able to withstand various flow effects (Fig.…”

Section: General Corrosion Rate Evolutionmentioning

confidence: 99%

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Siderite micro-modification for enhanced corrosion protection

et al. 2017

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Production of oil and gas results in the creation of carbon dioxide (CO2) which when wet is extremely corrosive owing to the speciation of carbonic acid. Severe production losses and safety incidents occur when carbon steel (CS) is used as a pipeline material if corrosion is not properly managed. Currently corrosion inhibitor (CI) chemicals are used to ensure that the material degradation rates are properly controlled; this imposes operational constraints, costs of deployment and environmental issues. In specific conditions, a naturally growing corrosion product known as siderite or iron carbonate (FeCO3) precipitates onto the internal pipe wall providing protection from electrochemical degradation. Many parameters influence the thermodynamics of FeCO3 precipitation which is generally favoured at high values of temperatures, pressure and pH. In this paper, a new approach for corrosion management is presented; micro-modifying the corrosion product. This novel mitigation approach relies on enhancing the crystallisation of FeCO3 and improving its density, protectiveness and mechanical properties. The addition of a silicon-rich nanofiller is shown to augment the growth of FeCO3 at lower pH and temperature without affecting the bulk pH. The hybrid FeCO3 exhibits superior general and localised corrosion properties. The findings herein indicate that it is possible to locally alter the environment in the vicinity of the corroding steel in order to grow a dense and therefore protective FeCO3 film via the incorporation of hybrid organic-inorganic silsesquioxane moieties. The durability and mechanical integrity of the film is also significantly improved.

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Section: Discussionmentioning

confidence: 99%

Section: General Corrosion Rate Evolutionmentioning

confidence: 99%

Siderite micro-modification for enhanced corrosion protection

et al. 2017

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“…Background, preconditions, validation and literature summary of the EWF approach is welldescribed in numerous publications [30][31][32][33][34][35][36][37][38].…”

Section: Essential Work Of Fracturementioning

confidence: 99%

Effect of chain extender and terpolymers on tensile and fracture properties of polyamide 6

Yilmaz

Gül

Yılmaz

2015

Polymer

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“…Besides, the inorganic structure may provide polymers with molecular reinforcement, increased thermal stability, better flame resistance and etc. [23,24]. CBC, as a chain extender, is also an attractive, relatively new, modifying agent on the mechanical properties of thermoplastic matrixes due to limited number of studies have been published in literature yet [25][26][27].…”

Section: Introductionmentioning

confidence: 99%