Welcome to FengYuan Metallurgical Materials Co., Ltd.

cl and silicon carbides using method

Chemical characterisation by WD‐XRF and XRD of …

After milling, the crystalline phases were characterised by X‐ray powder diffraction and quantified using the Rietvel method. The different forms of carbon (organic carbon from the resin, inorganic carbon from the carbonates and carbon from the silicon carbide) were analysed using a series of elemental analyses.

Ordered mesoporous silicon carbide-derived carbon for …

2019-4-12 · Ordered mesoporous silicon carbide-derived carbon for high-power supercapacitors Wan-Yu Tsai, Peng-Cheng Gao, Barbara Daffos, Pierre-Louis Taberna, Carlos The mesoporous silicon carbide was synthesized by using Mg as reducing agent at moderate temperatures as described in our recent work [11]. (DFT) method while the pore volumes and the

Carbon | Thermo Fisher Scientific - CN

Polymer materials containing F or Cl are often degraded by Ar+ monomer sputtering with loss of F or Cl. caution must be exercised if using this method. None

Silicon - Wikipedia

2019-4-15 · Silicon is a chemical element with syol Si and atomic nuer 14. It is a hard and brittle crystalline solid with a blue-grey metallic lustre; and it is a tetravalent metalloid and semiconductor.It is a meer of group 14 in the periodic table: carbon is above it; and germanium, tin, and lead are below it. It is relatively unreactive.

Solid-state reactions of silicon carbide and chemical

2018-8-31 · Free Online Library: Solid-state reactions of silicon carbide and chemical vapor deposited niobium. by "JCT Research"; Business Chemicals, plastics and rubber Silicides Silicon Silicon carbide Silicon carbides

Carbon Materials with Nano-sized Pores Derived from …

2016-4-26 · silicon carbide or other inorganic carbides include graphene and CNTs, which are obtained through characteristics by using different raw materials and temperatures. These materials can be used for a wide range of appliions 154 · Carbon Materials with Nano-sized Pores Derived from Carbides 3-2 Pore structure

Silicon Carbide (SiC) | Morgan Technical Ceramics

Both forms of silicon carbide (SiC) are highly wear resistant with good mechanical properties, including high temperature strength and thermal shock resistance. Our engineers are always available to best advise you on the strengths and weaknesses of each ceramic for your particular needs. Typical silicon carbide characteristics include: Low density

Sintering of boron carbide and boron carbide-silicon carbide

2015-12-18 · Pressureless sintering of boron carbide (or silicon carbide composite) using free carbon addition, leaks were prevented [25]. 2.2. Hot pressing of boron-rich carbides

Direct analysis of silicon carbide by fluorination

2007-7-13 · Direct analysis of silicon carbide by fluorination assisted electrothermal vaporization inductively coupled plasma atomic Calibration was performed using the standard addition method and the calibration curve method, applying spiked slurries and aqueous standard solutions, carbides and eliminates memory effects, but also markedly

Deposition of Multicomponent Chromium Carbide …

2016-4-18 · In this work, we evaluated a new source of chromium and silicon with micro-additions of boron on the deposition of multi-component coatings of chromium carbides in W108 steel. The coatings were obtained by the pack cementation method, using a simultaneous deposition at 1000 o C for 4h. The coatings were analyzed by X-ray diffraction, X-ray

Novel silicon carbide polypyrrole composites; preparation

2015-10-25 · : Novel silicon carbide/polypyrrole composites;preparation and physicochemical propertiesMa´ria Omastova´a,*, conducting composites were prepared using

US4981666A - Method for the preparation of silicon …

In place of the conventional silicon source materials used in the prior art method for the preparation of silicon carbide whiskers, the inventive method utilizes a hydrolysis product of a chlorosilane compound R a SiCl 4-a or a chlorodisilane compound R b Si 2 Cl 6-b , in which R is a hydrogen atom or a monovalent hydrocarbon group, a is zero to 3 and b is 1 to 5, as the silicon source which

Poco Graphite, Inc. Properties and Characteristics of

2015-4-1 · ferent from conventional silicon carbides, the properties and characteristics of which are outlined in this docu-ment. SUPERSiC was developed as an alternative solution to the traditional molded silicon carbide components. POCO’s silicon carbide products are produced using a unique manufacturing method.This manufacturing

ASTM A532_

2010-12-13 · and manufacturing industries. 1.2 Simple and low-alloy white cast irons that consist essentially of iron carbides using a tungsten carbide ball and 3000 kgf load, 9.1

A step forward in metal nitride and carbide - …

Chiang CL, Ma CC (2002) Synthesis, characterization and thermal properties of novel epoxy containing silicon and phosphorus nanocomposites by sol-gel method. Eur Polym J …

Graphene from Amorphous Titanium Carbide by …

2014-6-30 · Graphene from Amorphous Titanium Carbide by Chlorination under 200°C and Atmospheric Pressures we show that the readily available precursor of carbides …

US3085863A - Method of making silicon carbide - …

(Cl. 23-208) The present invention relates to an improved method of making highly pure silicon carbide. It has for its general object the provision of a practlcal process for producing silicon carbide sufficiently pure for use in semiconductor devices and electroluminescent apparatus.

How silicon is made - material, making, history, used

Silicon''s compounds are also found in water, in the atmosphere, in many plants, and even in certain animals. Silicon is the fourteenth element of the periodic table and is a Group IVA element, along with carbon germanium, tin and lead. Pure silicon is a dark gray solid with the same crystalline structure as …

7 - Analysis Silica Samples Paul ICP conf 2016

2016-9-22 · • Fusion Method does not use HF therefore safety is not an issue as with methods using HF. • Fusion gives a broader range of sample types and is the only viable method for the more refractor sample types (carbides, nitrides, ignited oxides, chromite, etc.) Advantages of Using UniSolvStabilizer with the Fusion Method —

Chemical vapor deposition (CVD) of cubic silicon …

2019-4-6 · The fracture strength of silicon carbide (SiC) plate deposits produced by Chemical Vapor Deposition (CVD) was determined from room-temperature to 1500 C using a standard 4-point flexural test method (ASTM Cl 161).

Sintering of boron carbide and boron carbide-silicon carbide

2015-12-18 · Pressureless sintering of boron carbide (or silicon carbide composite) using free carbon addition, leaks were prevented [25]. 2.2. Hot pressing of boron-rich carbides

Effect of Boundary Layers on Polycrystalline Silicon

2011-2-28 · lic elements such as carbon and silicon as well as a large nuer of compounds including carbides, ni-trides, oxides and many others. The CVD technology kinetics, fluid

US Patent Appliion for METHOD OF FORMING …

A method for forming a carbon-containing silicon nitride layer with superior uniformity by low pressure chemical vapor deposition (LPCVD) using disilane, ammonia and at least one carbon-source precursor as reactant gases is provided.

Method for the preparation of silicon carbide whiskers

1991-1-1 · In place of the conventional silicon source materials used in the prior art method for the preparation of silicon carbide whiskers, the inventive method utilizes a hydrolysis product of a chlorosilane compound R a SiCl 4-a or a chlorodisilane compound R b Si 2 Cl 6-b, in which R is a hydrogen atom or a monovalent hydrocarbon group, a is zero to 3 and b is 1 to 5, as the silicon …

The evolution of ‘sol–gel’ chemistry as a technique for

2015-12-16 · The method was later extended to synthesize nanoparticles of nitrides and carbides of Ga, Ti, Nb and V. The formation of nanoparticles is a significant step, given the importance of metal carbides and nitrides in alysis. 68 In the case of iron carbide (Fe 3 C), the ability to form small nanoparticles (5–10 nm) using urea meant that the

Carbide-derived carbon - Wikipedia

2019-4-17 · Carbide-derived carbon (CDC), also known as tunable nanoporous carbon, is the common term for carbon materials derived from carbide precursors, such as binary (e.g. SiC, TiC), or ternary carbides, also known as MAX phases (e.g., Ti 2 AlC, Ti 3 SiC 2).

Related links