carbide

The DWA, then, is a tube with an inner wall made of the high-gradient insulator and a series of silicon carbide switches along its length.

Carbide: Inorganic compound, any of a class of chemical compounds in which carbon is combined with a metal or semi metallic element.

Silicon carbide was a strong covalent bond compound, which had favorable high temperature, electricity, mechanism and chemistry capability.

The concept of cemented carbide products with inhomogeneous structure. and their applications and developments have been introduced.

shall be constructed with a solid block silicon carbide rotating seal face and a solid block silicon carbide stationary seal face.

We have an enquiry for silicon carbide and would like to ask you to send us your offer for 1000 metric tons for shipment during September.

The government has responded by saying the case against the American head of Union Carbide at the time of the leak is still open.

Non-bond cemented carbide is one special hard metals, it has no metal bonds .

The concept of reaction boronizing sintering technique, properties, kinds and applications of new type cemented carbide are reviewed.

An oxide layer may be between the silicon nitride layer and the surface of the silicon carbide layer.

As the structure of white iron is almost carbide, its corrosion resistance is superior to that of gray iron.

Different specifications of the keyway is made up of different cemented carbide milling tool specifications out of a one-time processing.

This outside micrometer is widely used for outside precision measurement. ? Measuring face trimmed with carbide.

The peripheral portion of the wafer-mounting portion may be formed as a detachable graphite member covered with silicon carbide.

It was formerly made by the action of water on calcium carbide and is now made from cracking petroleum products.

The main methods for manufacturing boron carbide coating were given, and the advantages and disadvantages of these methods were pointed out.

The nondestructive testing method for cemented carbide anvil is one of the important means for quality assurance.

Some of Boron Carbide's unique properties include: high hardness, chemical inertness, and a high neutron absorbing , cross section.

Twist drills are usually made of high-speed steel, although carbide-tipped drills are also available.

The reasonable formula and application of a new type of binder for forming cemented carbide with SBS as main composition have been studied.

A trademark used for an abrasive of silicon carbide crystals .

Spraying the service life of OT cemented carbide, and peg to hang and ontology from damage, not the outside diameter.

The raw material recycled by the method is discussed, the better cemented carbide parts can be made by right production techniques.

It was a hot point of study on the preparation of high valued cubical crystal nano-sized calcium carbonate from calcium carbide residue.

And it also found that the tool life of the tungsten carbide tools may be affected by the history of the cutting speed.

The company's franchise Zigong Cemented Carbide Plant production; molybdenum wire, etc.

What exactly caused the gas leak is still unclear. Union Carbide blamed it on sabotage by a disgruntled employee .

Meanwhile carbide slag substitute for slaked lime in PO production , as well as the economic benefits and social atmosphere effects.

The spatial aperture range of aerogel can be controlled by changing the ratio of the carbon aerogel to the tungsten carbide.

Applications: used in carbide alloy, diamond tools, biding admixture, high-temperature alloy, rechargeable cell.

The boron carbide exists in the form of continuous skeleton structure, and the infiltrated aluminum exists in the form of continuous matrix.

By the glow of a small carbide lamp one could distinguish a dozen human figures gathered around three or four tables.

Harder and more brittle than black silicon carbide, very sharp for grinding and of good heat conductivity.

The main defects frequently occurring in injection molded cemented carbide parts and their origin have been analyzed.

Experiments on extruding cemented carbide rods show that China is capable of manufacturing large-tonnage extruder.

A comprehensive study of efficiency for machining carbide with different electrode material in EDM is presented in this paper.

The invention provides a closed type calcium carbide furnace charging nozzle and a process for producing the same.

Calcium carbide, from which he later obtains acetylene, first made by German chemist Friedrich Wohler.

The surface of drawing capstans are spray coated with tungsten carbide.

Carbide boring bar as a result of good rigidity, its protruding steel boring bar length of about 1. 6 ~ 2 times.

By different temperature normalizing, the weld microstructure changes to ferrite and carbide, impact toughness increases significantly .

Common grade and quality carbide tools are used for this application .

REFRACTORY PRODUCTS. CHEMICAL ANALYSIS OF ALUMINOUS, SILICEOUS, SILICON CARBIDE, CARBON AND METALLIC SILICON REFRACTORY PRODUCTS.

Union Carbide documents no one has bothered to remove remain at the neglected site inside buildings with broken doors and smashed windows.

The cause of fracture failure was researched. The results show that many uneven carbide belts obviously distribute in the microstructure.

and the hard coating is prepared from iron-based alloy powder with a low melting point and tungsten carbide or titanium carbide powder.

The white phases within the primary vanadium carbide particles are the oxides and sulfides of these active elements such as Mg, K.

The invention relates to a silicon carbide particle reinforced type tin, silver and zinc composite solder and the preparation method.

The crystallization tendency of the deposits increased with the content of silicon carbide and aluminum oxide in the composite deposits.

The most senior executive to be convicted was Keshub Mahindra, former chairman of Union Carbide's Indian subsidiary.

The carbide tips (or ceramic tips) can have different shapes, depending upon the machining operations for which they are to be employed.

The Product Specialist will be responsible for direct sales of high performance cemented carbide products in a defined geographical area.

Carbide bushings should be considered for long production runs or where abrasive conditions are present.

The results expatiate that boron carbide ceramics can be sintered in low temperature by approaches mentioned above.

Dislocation pile-up and tangling around carbide particles were also observed after high degree of deformation.

Other materials affected by Tuesday's ruling include fluorspar, magnesium, manganese, silicon carbide, silicon metal and yellow phosphorus.

Precipitated carbide can be become sphere shape and increased its dispersion in surfacing by adding Y-base rare earth alloy.

The acetylene gas generated by calcium carbide can be applied to weld or cut metal materials.

The materials in question are bauxite, coke, fluorspar, magnesium, manganese, silicon carbide, silicon metal, yellow phosphorous and zinc.

Retained austenite reduction and carbide precipitations in the martensite are anticipated by the tempering process.

The resistivity and complex electromagnetic parameters of silicon carbide composite fibers containing nickel were studied.

has carbide blade materials, and various ultra-high pressure sintered coating blade, have been standardized.

As the fundamental material of organic synthetic chemistry . calcium carbide has wide application .

The sealing face uses stainless steel and carbide alloy and is of long duration.

The orientation relationships between the M23C6 carbide and BCC grain are the K-S orientation relationships.

Understanding in-depth morphology of carbide and doing good transformation and change are very useful to improve the tool life.

The status quo of the cemented carbide industry in the world and its technical progress in lute fifteen years were presented.

The thin copper sheet parts of the engine and the transformers were die cut by the use of Cemented Carbide tools.

Materials, structure, roll pass machining, installation and cooling of cemented carbide roll rings in stretch reducing mill are introduced.

This paper calculated and analyzed at different temperatures in the silicon melt and silicon carbide formation and ablation characteristics.

Steel is either turned or formed via carbide tooling into a cup or cone.

Compared with the two tungsten carbide tools, PCD tool had a longer life especially at high speed.

The coated cemented carbide tools which are most widely used in cutting of stainless steel is investigated.

Tungsten-carbide rotary burrs like a milling cutter with handle, is used in that complex inside of mould machining finish machining work.

The article introduces the research contents and developing trends of new coated carbide insert in aerospace industry.

The influence of different porosity and density on silicon carbide reticulated porous ceramics' mechanical properties, etc.

ultra micro-grain quality carbide, has excellent wear resistance, but its impact resistance is not so good.

The microstructure, properties and wear resistance of carbide-free bainite wear-resistant casting steel were investigated.

the wreckage of the Union Carbide pesticide plant continues to leach deadly chemicals into the water supply.

MAIN PRODUCTS: Taking calcium carbide as raw materials, it's made through high temperature spitting decomposition using acetylene .

It is very difficult to compute fracture toughness for silicon carbide whisker reinforced ceramic composite theoretically so far.

After comprehensive utilization Carbide slag slurry discharge was avoided and environment was protected.

Its technical transformation project of high-quality and high-precision cemented carbide-coated blade is under construction.

It is made of carbide bearing with wear prevention and corrosion resistance, high intensity material lining and joint.

The invention features methods and apparatus for obtaining silicon carbide whiskers on a continuous basis.

A policeman looks on as he tours the site of the deserted Union Carbide factory on November 28, 2009 in Bhopal, India.

The main application of cemented carbide in numerical control machines is as cutting tools.

Analysis is also made of the latest development of cemented carbide for rock drilling.

export rebate rate of tungsten oxide, APT and tungsten carbide has also been gradually cancelled, and even provisional duty is collected.

On the basis of actual application, it sums up the notice items during the use of silicon carbide.

Adding triethanolamine oleate to the solution can obviously inhibit the leaching of cobalt from cemented carbide.

In the paper, the research status of brazing joint strength between oxide ceramics, nitride ceramics, carbide ceramic. . .

The cemented carbide comprised of Carbide(WC)and Bonding (Co or Ni)in traditional concept. This hard metal has series of perfect properties.

It is evident that the Cr value in the white layer is higher than that of the base material, except for the chromium carbide.

With the discovery of high temperature metal (carbide)-carbon (M(C)-C) eutectic melting points, this requirement will soon be met.

The characteristic grey tone is that of titanium carbide.

Finally, this paper primarily establishes a testing method of characterization silicon carbide wafer quality.

Besides , calcium carbide can react with nitrogen to generate lime nitrogen for agricultural fertilizer .

Imported ultra micro-grain quality carbide, with excellent impact-resistance and general wear-resistance.

The results show that the grinding fluid containing triethanolamine does harm to cemented carbide.

Zhuzhou jinwei cemented carbide co. , ltd. Is a professional manufacturer who produces, researches and develops cemented carbide products.

The finite element analytical model was established for carbide anvil of artificial diamond BELT synthetic device.

Effects of RE modification and heat treatment on carbide morphology and mechanical properties of cast semi steel were studied.

Characterization method of defects in silicon carbide by chemical etching and optimal process parameters are obtained.

Phase or microstructure analysis of steel, grain size, inclusion, gray cast iron and ductile iron, cemented carbide test etc.

For carbide stick blade, after resharpening two sides and face, coating will be applied on these surfaces or not?

Tungsten carbide nozzle: This product is made by the precision machining with the tungsten carbide materials (superhard alloy).

Small amounts of aluminium carbide are a common impurity of technical calcium carbide.

Cooling and recycling of calcium carbide clean liquid in the production of poly( ethylene chloride ) are introduced. .

The discs (or valve blocks) are composed of a silicon carbide material.

Application: For tantalum metal billets and powder, tantalum carbide, ceramic capacitors and additive in special optical glass.

Also we design a data collection and system identification experiment to build the model of the Calcium Carbide furnace.

Effects of titanium carbide, nitride and sulfide on the microstructure and properties of HSLA steel were discussed.

The results show that the hardness of H13 steel after annealing depends on size, relative amount and type of carbide.

The matrix is a kind of nodular troostite, where there were a large number of carbide particles precipitated.

In this paper, warm compaction as well as its use in the fabrication of cemented carbide was introduced.

Silicon carbide graphite composite materials are applied in many industrial fields.

High cutting carbide (higher than HRC65), abrasion resistant, cost-efficient, widely applicable, and without powder pollution.

A girl stands near water towers outside her home near the site of the Union Carbide factory on November 27, 2009 in Bhopal, India.

The results show that the main reason of grinding crack is band segregation of carbide.

Calcium carbide residue was a side-product produced in the process of acetylene with calcium carbide.

Production present status of calcium carbide industry and development way in future were introduced.

The reason of temper brittleness belong with bainite ferrite and retain austenite decompose carbide.

The protect affection of the different carbide on matrix and the carbide surface stripped was analyzed.

This important carbide precipitates both inter and intragranularly.

Dislocation pile-ups form at the original positions where carbide particles are dissolved.

Cemented carbide alloys are a material having hardness and high toughness.

The silicon carbide rod is allowed to work for 4 hours continuously at the highest temperature.

Tighten Carbide manufacturing knife, can greatly improve the cutting speed and efficiency of teeth.

vacuum titanium carbide coatings, the black gold of international popular color, black in the blue, very elegant.

One of the additives is vanadium carbide (VC).

Therefore, at present the development of corrosion-resistant carbide is one of the hard alloy development.

Grades , properties and recommended applications of carbide drawing dies and wear parts .

The surfactant can prevent the producing of iron carbide and control the size of crystal grains.

PROCESS OF PRODUCTION Boron Carbide is smelted from boric acid and powdered carbon in electric furnace under high temperature.

Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.

The catalytic activity of tungsten carbide was studied through hydrogenation of benzene.

The thesis comes from a project that is to design a new automatic control system on a Calcium Carbide closed furnace in a chemical plant.

After treatment the carbide has high dispersion degree, the microstructure is uniform and the wearability is good.

Take machining titanium alloy by using diamond tool and carbide tool for examples, the cutting temperature is calculated.

Mutual solution and diffusion carry on between tungsten carbide phase and matrix phase when the alloy is heated at high temperature.

Formation mechanism of sintering cemented carbide pockmarks is studied.

CHEMICALS. CALCIUM CARBIDE (FOR THE GENERATION OF ACETYLENE).

The feasibility of using butadiene styrene rubber and butadiene rubber as forming agent of cemented carbide has been studied.

Contradiction movement in cemented carbide has been analysed and discussed with viewpoint and method of contradiction in the paper.

Columbium . A strong carbide-former, used in type 347 stainless steel for the same reason that titanium is used in type 321.

After conversion and cooling the whiskers are separated from the mass of particulate silicon carbide.

The result showed that the proliferation of carbide decided microstructure and mechanical property of T91 steel pipe joint with TIG bonding.

Silicon carbide crystals having regions of higher and lower defect density are also provided.

carbide elastic modulus for the 3 times higher than steel, therefore, the material itself has a good anti-chatter performance.

It was described that study on gel casting and sintering of silicon carbide in this paper.

Cemented carbide indexable inserts chip-breaking groove is the most prevalent method to control chips.

In order to produce calcium carbide with high quality and efficiency, the locked of electrode must be accurately controlled.

Recovery of cobalt and copper from nitric acid leaching solution of cemented carbide scrap was studied.

Carbide derived carbon is a new kind of porous skeleton carbon materials with nano structure.

Several mathematical models for reaction process of reaction bonded silicon carbide are set up, which are quasi linear parabolic systems.

Union Carbide claimed a disgruntled employee sabotaged the plant, causing the leak of tons of toxic gases.

influences of rare earth elements on the properties of cemented carbide for mining are studied in this paper.

India is marking the 25th anniversary of the leak at the Union Carbide pesticide plant in the city of Bhopal.

Rare Earth catalysts with Silicon carbide honeycomb support were prepared.

This product is made by the precision machining with the tungsten carbide materials (superhard alloy).

The result shows that the product is a mixture of pure nanometer silicon carbide powder and whisker.

Dental rotary instruments - Cutters - Part 4 : miniature carbide laboratory cutters.

This company is one of the biggest green silicon carbide powder manufacturers in China and the whole world.

Design and cutting condition of carbide hob with radial negative front angle were discussed.

The liquid phase sintering process of steel based carbide - iron bimetal composite was researched.

Mother is cooking a perfect dinner. To sharpen her knives, she uses a Cemented Carbide sharpening tool.

A professional manufacturer supply a medium-high quality tungsten carbide saw tips.

The intermediate material includes silica and silicon carbide.

For carbide, glass, ceramics, stone, precious stones and other heavy-load cutting, grinding wear resistance.

ZHEJIANG DEWEI CEMENTED CARBIDE MANUFACTURING CO. , LTD.

This machine is specialized in grinding the Tungsten Carbide rolls of no twist finishing block.

A diamond coated cutting tool is disclosed having a either steel or cemented carbide substrate.

When reaction gas is filled, nano carbide or nitride powder may be prepared.

The material of product uses carbide rod material with international famous brand.

Production launch of silicon carbide particulate filters for the PSA Peugeot Citro? N Diesel vehicles .

To solve the problem of machining problem of carbide alloy, the research on CNC electrochemical grinding was done.

The present article introduces a new technique of chemical vapour deposition titanium Carbide.

In one embodiment, a carbide-containing article includes a carbide body (54) with an attached super abrasive layer (52).

Dental rotary instruments. Cutters. Part 3 : carbide laboratory cutters for milling machines.

The invention provides an abrasion-resistant welding rod which is mainly formed by chrome, tungsten, rare-earth silicon and boron carbide.

The main materials for producing calcium carbide are coke and lime .

The impact fatigue property of cemented carbide was studied by impact bending test in this paper.

It is demanded that the carbide is distributed well-proportionally and the size is suitable.

In this booklet you will find detailed product information about Jinzhou solid carbide cutting tools .

Main ferrosilicon, silicon slag, manganese, silicon carbide, Si-Al-Ba-Ca, Si-Mn alloy, silicon barium iron and other metal.

DLC can be deposited on various substrate with excellent adhesion such as steel, titanium alloy, aluminum alloy and cemented carbide, etc.

The synthesis of silicon carbide whiskers by double-heating method using carbon black and SiO_2 powder as raw materials is studied.

This paper describes the chlorination process of waste tungsten carbide powder.

Dental rotary instruments - Cutters - Part 2 : carbide laboratory cutters.

The samples of tungsten carbide were prepared from the blue tungsten trioxide and the ammonium paratungstate Separately.

Special parts for cemented carbide multi-stage progressive dies.

Schober USA now offers die cutting dies in tungsten carbide for long operational life.

reduced-carbon alloy with a carbide volume fraction of 17%.

The effect of adding rare earth elements, metals, metal carbides into cemented carbide, are summarized.

The self-sharing processes of silicon carbide and zirconia were analyzed.

Carbide cutters are used widely. Study on carbide shaper cutters is concerned deeply in gear manufacture.

The cracks appeared at the interface between carbide and matrix.

Torpedo Car generally uses an Alumina-Silicon Carbide-Carbon as a work lining and 60% Al2O3 bricks as a safety layer.

The effect of RE and heat treatment on eutectic carbide morphology and impact toughness of white cast iron was studied.

The new type crashing method of recycling scrap cemented carbide is introduced in this paper.

Physical and chemical properties of Calcium Carbide.

The formation mechanism of thermal shock fatigue crack of cemented carbide YG10 was investigated.

For its manufacture Cemented Carbide drawing dyes are used and the same is true for all the wires we find in the engine.

Magnetic core die, discrete ceramic die, and cemented carbide die.

The RR Element is a resistance type silicon carbide heating element.

Tungsten carbide mechanical seal is oil lubricated for long life.

Particle diameter of carbide reagent has certain effect on reaction balance time and little effect on final equalizing pressure results.

ZHEJIANG HONGFENG CEMENTED CARBIDE CO. , LTD.

The Cast-in Process between steel based carbide and cast steel was discussed.

The micro structure of deposited metal is composed of martensite , residual austenite and carbide hard phase.

In addition, the company also manufactures by-products such as graphite scraps, cokes, tar and silicon carbide.

The effect of fining treatment of carbide and grain on bearing steels fatigue life was investigated.

Based on investigating and cutting test, Hobbing technology analysis of surface hardened gear with carbide hob was made.

The percentage lf carbide cutting tools consumed by the world at 2003 and the fast increasing of carbide gear hob was analyzed.

This paper studies the effect of the C content on microstructure and properties of nanosize cemented carbide.

YUEQING CEMENTED CARBIDE PRODUCTS CO. , LTD.

It is an important carbide stabilizer in making steels.

HUNAN ZHUZHOU XINHUA CARBIDE ALLOY INDUSTRY CO. , LTD.

The use of new SBS binder in the traditional thread ndxing process of cemented carbide and modern spray doing processes introduced.

Refractory in the silicon carbide, clayey SiC has the most simple production process and the lowest price.

For nonmagnetic cemented carbide dies.

Warren Anderson, 88, who was then chairman of Union Carbide, faces manslaughter charges in India.

The presence of iron carbide also reduces magnetism .

The metal infiltrating layer and the carbon nano tube array are reacted to form metallic carbide.

In the meantime we have advanced Sintered Silicon Carbide (SSiC) production lines.

High-precision Tungsten-cobalt cemented carbide balls are mainly used by the petroleum drilling pump's valve ball and so on.

This series products are include electric furnace , calcium carbide furnace , electric arc furnace , ladle furnace and so on.

Mulity-layer coating of silicon carbide and pyrolytic carbon on UO2 pellets by a combustion reaction.

Universal Carbide Tip works great on rugged terrain.

The research and development of preparation processing of nanosize cemented carbide are reviewed.

DL Auger Screws are precision ground from solid carbide.

Large-diameter carbide saw blade is the first selection of sawing tool.

The test results show that Vslag compound inoculants refine grain effectively and alter carbide appearance.

The three mirrors are directly mounted on the Silicon Carbide plates using titanium bolts.

The former has finer, more dispersive carbide.

Zigong Cemented Carbide Corp. , Ltd.

martensite, carbide and micro-crack.

Dental rotary instruments. Part 2 : steel and carbide finishing burs.

CarbonControl in MIM Process of Nonmagnetic Fine cemented Carbide was studied.

Eutectic carbide in cast high speed steel M2 presents a network distribution.

A silicon nitride layer (56) is on the silicon carbide layer, and an organic protective layer (66) is on the silicon nitride layer.

Dow Chemicals later took over Union Carbide.

A braze metal coating (56) is attached to a surface the carbide substrate (54).

SHAANXITOP QUALITY CARBIDE INDUSTRY CO. , LTD.

When grinding titanium alloys with green silicon carbide wheel, the wheel achesion is serious and the grinding ratio is very low.

The former members of Union Carbide's senior management in India were sentenced to two years in jail and fined Rps 100, 000 ($2, 100).

Image detection for carbide tool wear based on laser grating projection is presented.

Or use silicone carbide powders on screen for processing, pellet is 20 micron.

In order to protect environment and save energy, a new catalytic process will be introduced to the production of calcium carbide.