Preparation of Al – Mg – B Ceramic Materials

Technical Background Ceramic materials made from aluminum-mgb are known for their high hardness, good resistance to abrasion and chemical stability. These characteristics make them a popular choice in both military and high-tech equipment. The limited application of aluminum-MgB ceramic materials is due to their weak toughness. There are currently several preparation methods for aluminum magnesium-boron ceramics. These include heat treatment, hot pressing sintering and mechanical alloying. High energy consumption is a result of mechanical alloying hot press sintering. Iron pollution can be caused by ball grinding and quenching steel. The process can also cause iron contamination. High energy and cost are the main drawbacks of heat treatment. It is also easy to introduce impurities. Crystal evolution deposition and metal salt preparation methods are high-purity and can eliminate the formation of phase due to heat treatment. But they also have high energy costs, long cycles, and high prices. These methods may also be used to prepare aluminum magnesium boren ceramics. But there are technical drawbacks and shortcomings.

The preparation method

Aluminum powder, magnesium powder, boron and powdered raw materials are used to prepare boron. Rmcplant (aka. Advanced material by Rmcplant . Global chemical supplier and manufacturer, Rmcplant has over 12 years of experience in manufacturing super-high quality chemicals. High purity, small particles size, and low impurity are the hallmarks of the Aluminum Magnesium BoridePowder that our company produces. We can help you if the price is lower.
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How to Prepare Ultrafine Spherical Cobalt Powder

High-pressure water mist Cobalt Powder has a wide range of uses due to its outstanding physical, chemical, and mechanical characteristics. This spray technique has been used extensively. The technological process is to activate the induction furnace. Once the cobalt melts into the furnace it will leak into the packaging. From there, the annular fluid of high-pressure water and the liquid of cobalt will separate into millions of small beads and droplets through condensation. Finally, after drying and dehydration, you will obtain nanometer Cobalt Powder.

Electrolytic procedure

Electrolysis can prepare cobalt metal powder. The basic principle is that you use a cobalt plate and a high-polished stainless steel water jacket to act as anode. The electrolyte is usually cobalt chloride, or cobalt sodium sulfate in an aqueous solution. An electrolytic cell receives direct current. The electrolyte then becomes ionized. The cobalt ions form Cobalt powder at this point. A sufficient amount of active surface agent is added to the electrolyte in order to avoid the accumulation of Cobalt Powder.

Cobalt hydrogen oxide reduction

Cobalt Hydrogen Oxide Reduction is another popular method for the preparation cobalt powder for cemented caride. This process is mainly based upon cobalt oxide (Co2O3, Co2O3 & CoO as raw materials) and Cobalt Powder for cemented carbide is also prepared using this method. Rmcplant (aka. Rmcplant is an advanced material. With over 12 years’ experience, Rmcplant is an established global supplier of chemical material. High quality Cobalt Powder are produced by our company. We can help you if the price is lower.
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An Ultra-high Temperature Structural Ceramic Material: Zirconium Diboride Ceramics

What is zirconium Diboride? Zirconium boreide is a chemical and has the molecular formula ZrB2. Nature gray hard crystal. The three main components of zirconium Boride are zirconium monoboride (zirconium diboride), zirconium trimoride (zirconium triboride) and zirconium triporide. The stability of zirconium boride in wide temperatures is limited to the diboride. The majority of industrial production uses zirconium boride. Zirconium dioxide is a hexagonal or gray crystal, powder, or crystal with a relative density of 5.8. The melting point at 3040°C is 3040°C. High resistance to thermal shock, high resistance to oxidation, and good resistance at low temperatures. Metallic luster. The melting point is approximately 3000degC.

Making Zirconium Diboride Pulver

ZrB2 powder can be prepared primarily using high-oxide or zirconium for boronization. Traditional synthesis involves the use of a high-temperature induction furnace, resistance furnace to achieve oxide carbothermal reducibility. While this is a straightforward process, it is not as efficient. Also, at around 1800°C, the quality of synthetic powder is less pure and the particle sizes are larger. , Poor sintering activity. Methods such as carbothermal reduction and high-temperature auto-propagation methods, mechanical alloying methods, ceramic precursor cracking techniques, and liquid phase methods, among others, are available. These are the most common now.

Zirconium Diboride ceramic Materials

Zirconium Diboride Ceramics are highly valued for their use in composite, high-temperature, structural, and electrode materials. These include turbine blades, and magnet fluid power generation electrodes for the aviation industry. Additionally, it is more conductive than other ceramic materials. It can also be used in wire cutting to create complex shapes.

Refractory

ZrB2 ceramics make excellent special refractory material, and can be used for high-temperature thermocouple protective sleeves, casting moulds, metallurgical crucibles, and other purposes. These ceramics aren’t very conductive and leaky when they are used for thermocouple protection sleeves. For accurate temperature measurement, the thermocouple protection sleeves must be used in conjunction with an alumina inner shirt. You can use the thermowell for extended periods in brass and molten metal melt. ZrB2 ceramics may also be used to protect refractory materials.

Electrode materials

ZrB2’s low resistance and electronic conduction conductive mechanism make it suitable for electrode materials and electric shock materials. It can also be used to create metal thermocouple electrodes or high-temperature heating elements. A sleeve type thermocouple material was developed by researchers in 1994. It is paired with ZrB2 (graphite) and it can be used for high temperature heating elements. Research has shown it works in an oxidizing environment at 12001600°C. This thermocouple can also be used for continuous temperature measurements in special circumstances where other metal thermocouples or radiation thermometers may not work. It makes a great thermocouple. Rmcplant (aka. Advanced material by Rmcplant . With over 12 years’ experience, Rmcplant is an established global supplier of chemical material. High purity, small particles size, and low impurity are the hallmarks of our Zirconium Diboride Powder. We can help you if your requirements are lower.
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Metal Alloy High Temperature Inconel625 Alloy Rod

About Metal Alloy High Temperature Inconel625 Alloy Rod:

Chemical composition (%): 
C: <=0,10
Cr: 20.00~23.00
Ni: residual
Co: <=1.00
Mo: 8.00~10.00
Al: <=0.40
Ti: 0.40
Nb: 3.15~4.15
Fe: <=5.00
Mn: 0.50
Si: 0.50
P: 0.015
S: 0.015

Heat treatment system:
Bar: 950 ~ 1030℃, air-cooled or water-cooled;  or 1090 ~ 1200℃, air cooling or water cooling solution treatment.
Plate: 950 ~ 1030℃, air cooling;  Or 1090 ~ 1200℃, air cooling.
Tube: Recommended annealing temperature: 960 ~ 1030℃, air-cooled or water-cooled. 

Properties: excellent corrosion resistance and oxidation resistance, good tensile and fatigue properties from low temperature to 980℃, resistant to stress corrosion in salt spray atmosphere.

Applications: can be widely used in the manufacture of aircraft engine parts, aerospace structural parts and chemical equipment.  Alloy processing and welding performance is good, tongsheng industry can supply a variety of plate, bar, pipe, wire, strip and forgings.  


Payment & Transportation:
Metal Alloy High Temperature Inconel625 Alloy Rod插图

Metal Alloy High Temperature Inconel625 Alloy Rod Properties

Other NamesInconel625 rod
CAS No.N/A
Compound FormulaN/A
Molecular WeightN/A
Appearancerod, bar
Melting PointN/A
Solubility in waterN/A
DensityN/A
PurityN/A
Sizecustomized
Boling pointN/A
Specific HeatN/A
Thermal ConductivityN/A
Thermal ExpansionN/A
Young’s ModulusN/A
Exact MassN/A
Monoisotopic MassN/A
  
  

Metal Alloy High Temperature Inconel625 Alloy Rod Health & Safety Information

Safety WarningN/A
Hazard StatementsN/A
Flashing pointN/A
Hazard CodesN/A
Risk CodesN/A
Safety StatementsN/A
RTECS NumberN/A
Transport InformationN/A
WGK GermanyN/A
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Gallium Nitride GaN powder CAS 25617-97-4

About Gallium Nitride GaN powder:
Gallium Nitride (GaN) is a hard, mechanically stable semiconductor compound with high heat capacity and thermal conductivity. It has a band gap of 3.4 eV and is crack resistant in its pure form.
Properties of Gallium Nitride:

CAS No.CAS 25617-97-4
Purity≥99.99%
CAS Number25617-97-4
AppearanceYellow powder
X-Ray DiffractionConforms to Structure
Trance Metal Analysis200 ppm

Its low sensitivity to ionizing radiation (with another group of III-nitrides) makes it a suitable material for satellite solar cell arrays. Military and spatial applications may also benefit because the equipment exhibits stability in the radiation environment.
 
Because the GaN transistor can operate at a higher temperature and operate at a high voltage than the arsenide (GaAs) transistor, they produce an ideal power amplifier at microwave frequencies. In addition, GAN also provides a hoped feature for THz devices. Due to high power density and voltage breakdown restrictions, GaN is also revealed as a hopeful candidate for 5G cellular base stations. 
 
The research and application of GaN materials are the frontier and hotspots of global semiconductor research. It is a new semiconductor material developing microelectronic devices, optical electronics, and semiconductor materials such as SiC, diamonds, which are known as the first generation of GE, Si A third-generation semiconductor material after semiconductor material, second-generation GaAs, InP compound semiconductor material. It has a wide direct bandgap, strong atomic bond, high thermal conductivity, high chemical stability (almost no sour corrosion), etc., in light electrons, high-temperature high power devices and high-Frequency microwave device application has broad prospects. Feel free to send an inquiry to get the latest price if you would like to buy Gallium Nitride GaN powder in bulk.

Product Performance of Gallium Nitride powder:
GaN powder has a wide direct bandgap, strong atomic bonds, high thermal conductivity, good chemical stability (almost no acid corrosion) and other properties and strong anti-radiation ability in optoelectronics, high temperature and high power devices and high-frequency microwave device applications have a broad prospect.


Technical Parameter of Gallium Nitride GaN powder:

Product NameMFPurityParticle SizeMelting PointDensityColor
gallium nitrideGaN99.99%-60 mesh1700℃6.1g/mL,25/4℃light yellow


Chemical Composition of Gallium Nitride GaN powder:

GaNCuNiZnAlNaCrInCa
99.99%0.0005%0.0003%0.0005%0.001%0.0005%0.0003%0.0005%0.005%


How is Gallium Nitride GaN powder produced?
Gallium nitride is a Group III-V semiconductor and has a very high chemical resistance to corrosive environments. There is a firm bond between Ga and nitrogen, which is the cause of the corrosion resistance of the compound. Ballium nitride is a direct bandgap semiconductor (bandgap = 3.4 having a fibrous mineral structure EV) and is a material for producing a corrosive ambient light-emitting device. Gallium nitride is prepared by reacting Ga2O 3 with NH3 at a high temperature of about 1000 ° C.
Ga 2 O 3 + 2 NH 3 → 2 GaN + 3H 2 O
An organometallic compound containing Ga and a nitrogen atom can also be deposited by the chemical gas phase. X-ray diffraction and conductivity measurements indicate that corrosive acids and alkaline environments have no effect on the GaN phase.


Applications of Gallium Nitride GaN powder:
Since 1990, GaN has been commonly used as a light-emitting diode (LED). The blue light emitted by gallium nitride is that gallium nitride is a binary III/V direct bandgap semiconductor, which is very suitable for high-power transistors that can work at high temperatures. Used for Blu-ray disc reading. Gallium nitride is also used in semiconductor power devices, radio frequency components, lasers and photonics. In the future, we will see gallium nitride in sensor technology.
1. GaN may be used for large TV screens or smaller full-color panels in trains or buses. GaN-based LEDs are more efficient and therefore offer another possibility for blue and green LEDs.
2. Gallium nitride is used in power semiconductor fields such as electric vehicles and photovoltaics.
3. Gallium nitride is used in the 5G radiofrequency field. Due to the increased requirements for radio frequency power and energy consumption in 5G, the 5G radiofrequency field will gradually replace silicon-based materials with gallium nitride.
4. GaN is used in the field of fast charging of mobile phones. GaN chargers have the characteristics of large power, small size and high efficiency, which are the key to the breakthrough of super-fast charging technology.


Packing & Shipping of Gallium Nitride GaN powder :
We have many different kinds of packing which depend on the gallium nitride GaN powder quantity.
Gallium nitride GaN powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Gallium nitride GaN powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.
Gallium Nitride GaN powder CAS 25617-97-4插图


 

Gallium Nitride Properties

Other Namesgallium nitride powder, GaN, GaN powder, gallium mononitride
CAS No.25617-97-4
Compound FormulaGaN
Molecular Weight83.73
AppearanceLight Yellow Powder
Melting Point1700 °C
Boiling PointN/A
Density6.1 g/cm3
Solubility in H2ON/A
Exact Mass82.9287
Monoisotopic Mass82.9287
  
  

Aluminum Nitride Health & Safety Information

Signal WordWarning
Hazard StatementsH317
Hazard CodesN/A
Risk CodesN/A
Safety Statements22-24/25
RTECS NumberLW9640000
Transport InformationN/A
WGK Germany3
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