6.6 Ceramic Matrix Nanocomposites

Porwal, Harshit; Saggar, Richa

doi:10.1016/b978-0-12-803581-8.10029-3

Cited by 13 publications

(5 citation statements)

References 176 publications

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“…The ceramic nanocomposites include glass or ceramic matrix material and different types of nano additives such as nanoparticles, nanotubes, nanoplatelets and hybrids of these materials and so on. These types of nanomaterials are added to the ceramic matrix to improve the mechanical properties of thermal shock, wear resistance, electrical and thermal conductivities and the like (Porwal and Saggar 2017). Also, there are types of ceramic composite materials that include nanocrystalline matrices.…”

Section: Ceramic Nanocompositesmentioning

confidence: 99%

Emerging Technologies

Küfeoğlu

2022

Emerging Technologies

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This chapter presents brief descriptions and working principles of 34 emerging technologies which have market diffusion and are commercially available. Emerging technologies are the ones whose development and application areas are still expanding fast, and their technical and value potential is still largely unrealised. In alphabetical order, the emerging technologies that we list in this chapter are 3D printing, 5G, advanced materials, artificial intelligence, autonomous things, big data, biometrics, bioplastics, biotech and biomanufacturing, blockchain, carbon capture and storage, cellular agriculture, cloud computing, crowdfunding, cybersecurity, datahubs, digital twins, distributed computing, drones, edge computing, energy storage, flexible electronics and wearables, healthcare analytics, hydrogen, Internet of Behaviours, Internet of Things, natural language processing, quantum computing, recycling, robotic process automation, robotics, soilless farming, spatial computing and wireless power transfer.

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Section: Ceramic Nanocompositesmentioning

confidence: 99%

Emerging Technologies

Küfeoğlu

2022

Emerging Technologies

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“…Seramik esaslı grafen kompozitlerin özellikleri; yapıdaki grafenin homojen dağılımına ve sinterleme sıcaklığına bağlı olarak grafen yapısında oluşan bozunmaya bağlıdır. Pek çok bilim adamı seramik matris içerisinde homojen dağılmış grafen katkılı kompozit malzemeler üretmek için çabalamaktadır [37]. Literatür çalışmalarında akermenit-grafen [38], Silisyumdioksit(SiO2)-GO [39], Alümina(Al2O3)-GO [40], Silisyumkarbür (SiC)-GO [41], titanyumkarbür-grafen [42] çalışmaları raporlanmıştır Şekil 6' da grafenin farklı seramik malzemelere olan katkısı ile kırılma tokluğunun değişimine ait görsel verilmiştir.…”

Section: şEkil 5 Grafenin Farklı Biyomalzeme Alanında Kullanıdlığı Al...unclassified

A New Type Of Graphene Based Bone Scaffold In Tissue Engineering

Kırkbınar¹,

İBRAHİMOĞLU>²,

Çalışkan³

2022

Düzce Üniversitesi Bilim Ve Teknoloji Dergisi

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The aim of bioimplant technology is to repair, repair or preserve damaged tissues and organs. Every year, many people want to fix/repair bones in skeletal defects caused by accidents or various diseases. For this reason, many different types of biomaterials have been used to create scaffolds on which new bone growth can take place. Hydroxyapatite, apatite-wollostonite, and carbon-based biomaterials have been used for this purpose. Scaffolds printed with carbon nanomaterials are a widely used group of biomaterials because of their commercial availability, mechanical stability, and biocompatibility.Carbon-based scaffolds demonstrate osteogenic differentiation, bone tissue regeneration, and efficient cell proliferation. Bone scaffolds are considered to be the basic building blocks for bone growth, regeneration, repair, differentiation, and adhesion in bone tissue cells in tissue engineering. Many carbon nanomaterials are available that act as skeletons. Carbon nanotubes, graphene, and fullerene are the main carbon-based materials that can be used as skeletons. Graphene and its derivatives are a 2D carbon-based material with remarkable physical, chemical, and biological properties. Graphene is of interest to the scientific community because of its excellent electrical conductivity, biocompatibility, surface area, and thermal properties. Graphene sheets have high mechanical strength and large specific surface area. In addition, it has been reported in the literature that graphene enhances stem cell differentiation and biomaterial properties. The conducted study examined the biocompatibility properties of graphene, current studies on the use of graphene as a biomaterial, and biosafety discussions for the clinical application of carbon-based materials.

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“…[106][107][108] Other studies have demonstrated the high chemical resistance, thermal stability, and porosity along with numerous active sites, π-conjugative structures and sidewall curvature. 106 As a result, CNTs have extensive applications in nanotechnology, materials such as adsorbents, 106 electrical sensors and resonators, 109 energy storage, 107 high-performance polymer composites, 110 and ceramics. 111 Hence, numerous researchers have examined the use of various techniques and precursor materials for the synthesis of CNTs.…”

Section: Carbon Nanomaterialsmentioning

confidence: 99%

Emerging trends in sustainable treatment and valorisation technologies for plastic wastes in Nigeria: A concise review

Nyakuma

Ivase²

2021

Env Prog and Sustain Energy

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The article presents an overview of the status, challenges, and prospects of current and emerging trends for the sustainable treatment and valorisation technologies of plastic wastes. The proliferation is ascribed to the growing population, living standards, and use of low cost, unbiodegradable, and chemically resistant plastic wastes in Nigeria. This scenario is exacerbated by the lack of comprehensive strategies for the collection, transport, segregation, and management of plastic wastes. Currently, plastic wastes treatment is accomplished by open-air burning, dumping, and landfilling. More advanced technologies, such as thermal (incineration, gasification), chemical (catalytic cracking and selective dissolution), and biological (microbial degradation) methods, are also utilized for treatment and valorisation. However, these high-cost, obsolete, and inefficient technologies result in GHG emissions, toxic fumes, toxins and leachates. Hence, novel technologies for the reuse, recycling, reduction, and valorisation of plastic wastes must emphasize energy, materials, and resource recovery. The article proposes the upcycling of plastic wastes into carbon nanomaterials (carbon microspheres, carbon nanofibers (CNFs), graphene flakes, carbon nanotubes), polymeric composite materials (wood-polyethylene composites, wood-fiber-reinforced plastics), biocrude/bio-oil, fuels, chemicals, and char through solvent/solvothermal treatment and plasma conversion. Solvent/solvothermal treatment can effectively treat and upcycle plastic wastes along with the removal of toxic, recalcitrant and bio-accumulative pollutants such as brominated flame retardants and organophosphorus flame retardants. However, the study identified numerous challenges that currently hamper plastic wastes disposal, management, and valorisation. Hence, sustainable and socially friendly approaches for plastic waste management and valorisation are required to address their short-and long-term impacts on human health, safety and the environment in Nigeria.

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6.6 Ceramic Matrix Nanocomposites

Cited by 13 publications

References 176 publications

Emerging Technologies

Emerging Technologies

A New Type Of Graphene Based Bone Scaffold In Tissue Engineering

Emerging trends in sustainable treatment and valorisation technologies for plastic wastes in Nigeria: A concise review

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