نتایج جستجو برای: sic tic
تعداد نتایج: 21959 فیلتر نتایج به سال:
We are motivated to compute delicate chemical vapor deposition (CVD) processes. Such processes are used to deposit thin films of metallic or ceramic materials, such as SiC or a mixture of SiC and TiC. For practical simulations and for studying the characteristics in the deposition area, we have to deal with delicate multiscale models. We propose a multiscale model based on two different softwar...
This Thesis concerns the advanced surface engineering of novel TiC-based nanocomposite and AgI electrical contact materials. The objective is to make industrially applicable coatings that are electrically conductive and wear-resistant, and have a low coefficient of friction. I have studied electrical contact systems consisting of a Cu substrate with a Ni diffusion barrier and loading support, a...
کاربید تیتانیوم سیلیسیم (Ti3SiC2) با ساختار بلوری هگزاگونال لایهای به خانوادهای از ترکیبات سه جزئی جدید به نام مکسفاز تعلق داشته که به دلیل دارا بودن خواص مطلوب سرامیکها و فلزات، مورد توجه محققین بسیاری قرار گرفته است. اما سنتز نمونههای تکفاز و چگال Ti3SiC2 با مشکلاتی همراه بوده و همواره تلاشها برای سنتز این ماده به شکل بالک منجر به تشکیل فازهای ناخواستهی اضافی مانند TiC و SiC شده است....
Recently, a series of three-component compounds with the combination of Mn+1AXn known as Max phases have been considered as a new material. One of the most important features of Max phases, is the self-healing property of them. The main reason for considering Max Phases is a unique collection of unusual properties including their metallic, ceramic, physical, and mechanical properties. One of th...
Thanks to their refractoriness, carbides are sensed as fuel coating for the IV generation of reactors. Among those studied, the Ti3SiC2 ternary compound can be distinguished for its noteworthy mechanical properties: the nanolamellar structure imparts to this material some softness as well as better toughness than other classical carbides such as SiC or TiC. However, under irradiation, its behav...
The addition of SiC or TiC nanoparticles to polycrystalline alumina matrix has long been known as an efficient way of improving the mechanical properties of alumina-based ceramics, especially strength, creep, and wear resistance. Recently, new types of nano-additives, such as carbon nanotubes (CNT), carbon nanofibers (CNF), and graphene sheets have been studied in order not only to improve the ...
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