Welcome to FengYuan Metallurgical Materials Co., Ltd.

silicon carbide nitric acid

IC ELITE ETCH Automated Dual Acid Decapsulator

- Single piece Silicon Carbide etch head/etch plate - Accurate Temperature Control - Real time etch time adjustment 20 to 90℃ (nitric acid) 20 to 250℃ (sulfuric acid)

SiC Heat Exchanger, Manufacturer of Silicon Carbide …

2018-10-1 · Silicon carbide heat exchanger boost of high strength, high temperature resistance, high thermal conductivity & excellent acid and alkali corrosion resistance. its outstanding thermal conductivity contributes to lower surface area for same heat duty compared to other material there by reducing the size of heat exchanger.

TPSS Si-Impregnated Silicon Carbide Products | …

2019-3-26 · The company meets a wide range of needs with ultrahigh purity grades TPSS -CU and TPSS -C alpha, in which the base materials TPSS -U and TPSS -alpha are coated with a high-purity CVD silicon carbide film.TPSS Si-impregnated silicon carbide products are semiconductor materials developed by our company using proprietary technology.

Silicon carbide - Wikipedia

2019-4-18 · Silicon carbide is an important material in TRISO-coated fuel particles, the type of nuclear fuel found in high temperature gas cooled reactors such as the Pebble Bed Reactor. A layer of silicon carbide gives coated fuel particles structural support and …

Corrosion Resistance of Tungsten Carbide Grades by …

2018-11-19 · Federal Carbide offers a complete family of standard Ni-bonded tungsten carbide grades for appliions requiring resistance to corrosion.In addition, Federal has developed numerous custom grades for use in extremely corrosive environments, in situations demanding both high toughness and corrosion resistance, and where strict food processing equipment requirements must be met.

Silicon carbide in nitric acid. - Metal and Metallurgy

2010-2-26 · I''m interested in two situations: 1. 5M nitric acid at 50 deg C 2. 12M nitric acid with intermittent exposure. I suspect that sintered carbide would be a better bet than reaction bonded silicon carbide (because of the presence of free silicon). The appliion is as a bearing in some pumps my company is trying to source.

Isotropic Silicon Etching using HF/Nitric/Acetic Acid (HNA)

2015-6-1 · Isotropic Silicon Etching using HF/Nitric/Acetic Acid (HNA) Standard Operating Procedure Faculty Supervisor: Prof. Robert White, Mechanical Engineering (x72210) Safety Office: Peter Nowak x73246 (Just dial this directly on any campus phone.) (617)627-3246 (From off-campus or from a cell phone) Tufts Emergency Medical Services are at x66911.

Corrosion resistance of silicon carbide - GAB Neumann

2019-4-19 · It resists against all common acids (e.g. hydrochloric acid, sulfuric acid, hydrobromic acid, and hydrofluoric acid), bases (e.g. amines, potash and caustic soda), all solvents, and oxidizing media (e.g. nitric acid). The graph below shows the corrosion rates of silicon carbide in μm/a and mpy with different chemicals.

Dissolving Silicon Carbide Scale - Finishing

Dissolving Silicon Carbide Scale 2004. We have discovered that a whitish thick scale has developed on the polypropylene walls of our 50:50 nitric acid tank. Further investigation using an SEM lead to the idea that the solid scale is silicon carbide. My question is how can we safely remove the scale.

Corrosion Resistance of Ceramic Materials to …

CORROSION RESISTANCE OF CERAMIC MATERIALS TO HYDROCHLORIC ACID By james p, Bennett 1 bonded silicon carbide, a carbon, and a high-alumina brick were evalu­ drochloric acid), HN03 (nitric acid), or H2S04 (sulfuric acid). In the HCl ex­

FUNCTIONALIZATION OF SILICON CARBIDE BY …

2019-1-24 · FUNCTIONALIZATION OF SILICON CARBIDE BY MAGNETIC NANOPARTICLES FOR TRACER USES 5 (NaOH) and hydrochloric acid 37% (HCl). All chemicals compounds were of analytical degree. The coating process required silicon carbide (SiC) SIKA® ABR IV A F220, sodium hydroxide (NaOH) and (hydroxypropyl)methyl cellulose (HPMC). Potassium

Chemical Compatibility Guide : reference materials

2009-2-11 · Acetic Acid N R N N R R N X N N R N R R R R N X R R R R N R Acetone RN Alcohols: Isobutyl R R X R R R R X X R X X R R R R R X R R R R R R

Silicon nitride - Wikipedia

2019-4-22 · Silicon nitride is a chemical compound of the elements silicon and nitrogen. Si 3N 4 is the most thermodynamically stable of the silicon nitrides. Hence, Si 3N 4 is the most commercially important of the silicon nitrides[4] and is generally understood as what is being referred to where the term "silicon nitride" is used. It is a white, high

SiC Heat Exchanger, Manufacturer of Silicon Carbide …

2018-10-1 · Silicon carbide heat exchanger boost of high strength, high temperature resistance, high thermal conductivity & excellent acid and alkali corrosion resistance. its outstanding thermal conductivity contributes to lower surface area for same heat duty compared to other material there by reducing the size of heat exchanger.

Corrosion resistance of silicon carbide - GAB Neumann

2019-4-19 · It resists against all common acids (e.g. hydrochloric acid, sulfuric acid, hydrobromic acid, and hydrofluoric acid), bases (e.g. amines, potash and caustic soda), all solvents, and oxidizing media (e.g. nitric acid). The graph below shows the corrosion rates of silicon carbide in μm/a and mpy with different chemicals.

Etching (microfabriion) - Wikipedia

2019-4-23 · Etching is used in microfabriion to chemically remove layers from the surface of a wafer during manufacturing. Etching is a critically important process module, and every wafer undergoes many etching steps before it is complete. For many etch steps, part of the wafer is protected from the etchant by a "masking" material which resists

Fabriion of Micro-Grooves in Silicon Carbide Using

2015-4-11 · CHIN.PHYS.LETT.Vol.31, No.3(2014)037901 Fabriion of Micro-Grooves in Silicon Carbide Using Femtosecond Laser Irradiation and Acid Etching *

Silicon Carbide - Distributor & Supplier | CAS 409-21 …

Silicon carbide is a very stable chemical compound, and doesn''t react with nitric acid or with sulphuric or hydrochloric acid. Silicon carbide can be used in a variety of appliions: as an abrasive in rigid abrasives or as paper and cloths in flexible abrasives and in the processing of metallic materials that have low resistance to traction.

Fabriion of grating structures on silicon carbide by

Fabriion of grating structures on silicon carbide by femtosecond laser irradiation and wet etching Bo Gao ( ), Tao Chen ( ), Vanthanh Khuat, solution of hydrofluoric acid and nitric acid to form grating grooves. Grating grooves with a high-aspect ratio of Silicon carbide …

Silicon carbide tubular heat exchanger -

2017-4-7 · Silicon carbide is a strong anticorrosive material, which can resist high strength nitric acid, mixed acids, alkalis, oxidants, organic acids and chloric acid. The silicon

Chemical Resistance | Technical Data |

2018-7-19 · Learn about product material, Chemical Resistance. is the global leading manufacturer of superior precision Fine Ceramics (Advanced Ceramics). Nitric Acid (60%) 90℃ Silicon Carbide ≒0.00. WT Loss mg/cm2/day. High. Low. Product Example. Information of Silicon Carbide. Alumina 0.10. WT Loss mg/cm2

Silicon carbide tubular heat exchanger -

2017-4-7 · Silicon carbide is a strong anticorrosive material, which can resist high strength nitric acid, mixed acids, alkalis, oxidants, organic acids and chloric acid. The silicon

US20040175701A1 - Treatment of silicon carbide to …

The present invention discloses methods for the processing of commercially obtained silicon carbide particles to enhance the nucleic acid binding properties of the silicon carbide. The methods use a variety of chemical washes which may also use high temperature treatment under gentle boiling followed by cooling and allowing the particles to settle, and milling to obtain the desired grit size.

(PDF) Selective Wet-Etch of Silicon Nitride Passivation …

PDF | Selective removal of silicon nitride passivation layers is of major importance in failure analysis of semiconductor devices. Typical appliions are: cleaning of the die surface for optical

Chemically Resistance of Tungsten

Hydrochloric Acid Resistant to attack Sulfuric Acid Resistant to attack Nitric Acid Resistant to attack Aqua Regia - cold Resistant to attack Hydrofluoric Acid

Silicon Carbide Raw Materials | Anti-Corrosive …

The pressure free sintered silicon carbide can withstand high concentrations of sulfuric acid, nitric acid, phosphoric acid, mixed acid, strong alkali, oxidant, and other highly corrosive materials; This material is the only ceramic material that cannot be corroded by hydrofluoric acid. It has an excellent service life.

Related links