نتایج جستجو برای: sic nano whiskers

تعداد نتایج: 64767  

A. Nemati K. Arzani M. Azadmand N. Riahi Noori T. Ebadzadeh

In this research the influence of adding SiC on microstructure and electrical properties of ZnO-based Nanocomposite varistors were investigated. SiC was added with amounts of 10-0 mass% to ZnO-based varistor composition. It is found that SiC allows reaching to high threshold voltage with formation of fine-graine...

Journal: :Journal of the Ceramic Association, Japan 1986

2006
Ryan K. Roeder Gabriel L. Converse Huijie Leng Weimin Yue

Hydroxyapatite (HA) whiskers have been synthesized using a number of chemical solution methods, including the chelate decomposition method. Numerous previous studies have investigated the effects of the reagents, reagent concentrations, solution pH, and reaction temperature on HA whisker morphology and composition. However, purely kinetic effects, such as the reaction heating and stirring rates...

Journal: :Advances in transdisciplinary engineering 2022

B4C, Si, Al, and γ-Al2O3 were used as raw materials, formed β-Sialon SiC in situ by solid-state reaction for preparation of B4C composite powder. grains are uniformly dispersedly distributed the The effects molar ratio nitridation temperature soaking time phase composition, microstructure powder studied. When Si is 2: 3, with columnar growing alternately can be prepared after at 1500°C 4 h. liq...

A. Kazemzade, F. Khorasanizadeh, R. Yazdani Rad, S. Safi, Y. Safaei Naeini,

C-SiC composites with carbon-based mesocarbon microbeads (MCMB) preforms are new type of highpreformance and high-temperature structural materials for aerospace applications. In this study MCMB-SiC composites with high density (2.41 g.cm-3) and high bending strength (210 MPa,) was prepared by cold isostatic press of mixed mesophase carbon powder derived from mesophase pitch with different amoun...

2009
Yoshimi Watanabe Yoshifumi Inaguma Hisashi Sato Eri Miura-Fujiwara

One of the fabrication methods for functionally graded materials (FGMs) is a centrifugal solid-particle method, which is an application of the centrifugal casting technique. However, it is the difficult to fabricate FGMs containing nano-particles by the centrifugal solid-particle method. Recently, we proposed a novel fabrication method, which we have named the centrifugal mixed-powder method, b...

2017
Qingguo Chen Heqian Liu Minghe Chi Yonghong Wang Xinlao Wei

In order to study the influence of trap parameters on dielectric characteristics of nano-modified pressboards, pressboards were made using the nano doping method with different nanoparticle components. The dielectric characteristics of the modified pressboards were measured, and the trap parameters were investigated using the thermally stimulated current (TSC) method. The test results indicated...

Journal: :Journal of the Ceramic Society of Japan 1998

Journal: :Journal of the Ceramic Society of Japan 1996

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 1992

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