Our Products

micron boride hafnium steel structure

Minor Metals

Vanadium is with melting point 3380℃, so it forms stable carbide compound(V4C3) with C elements in steels. V could refining the structure and crystalline grains of steel and increase coarsening temperature of crystalline grains. It enhances the property of steel significantly.

Get Quotation

Accumet Materials Co. is proud to offer a wide range of

sub- micron size. They find applications in spray coating, powder metallurgy, 3D printing, and composite manufacture. Hafnium Metal (pieces) Praseodymium (ingot) Tungsten Boride Bronze Hafnium Oxide Rhenium Tungsten Carbide Cadmium Stainless Steel Zirconium Diboride Chromium Carbide Maganese Metal (flake) Stannous Chloride Zirconium Oxide

Get Quotation

Hafnium Diboride

Hafnium Diboride (or Hafnium Boride) is a unique high-temperature ceramic material with excellent thermal and electrical conductivity. Hafnium diboride is generally immediately available in most volumes. Ultra high purity and high purity compositions improve both optical quality and

Get Quotation

Zirconium diboride

Zirconium diboride is a highly covalent refractory ceramic material with a hexagonal crystal structure. ZrB2 is an ultra high temperature ceramic with a melting point of 3246 C. This along with its relatively low density of ~6.09 g/cm3 and good high temperature strength makes it a candidate for high temperature aerospace applications such as hypersonic flight or rocket propulsion systems. It is an unusual

Get Quotation

Zirconium

Zirconium (Zr), chemical element, metal of Group 4 (IVb) of the periodic table, used as a structural material for nuclear reactors. atomic number 40 atomic weight 91.22 melting point 1,852 C (3,366 F) boiling point 3,578 C (6,472 F) specific gravity 6.49 at 20 C (68 F) oxidation state +4

Get Quotation

Research of Thermal Stability of Tapes of Diboride of

from steel of 12Х18Н9Т and hard-alloy plate of Т15К6. A receipt and research of structure, phase and element composition of tapes of diboride of hafnium, having a columnar structure and texture of height a plane (00.1) on substrates from stainless steel of 12Х18Н9Т, was conducted on the methodology before described in works [2,3].

Get Quotation

Hafnium nitride powder HfN cas 25817

Hafnium Nitride is powder, cubic structure, melting point 3310 ℃, it is quite stable, but easily by aqua regia, concentrated sulfuric acid and hydrogen fluoride acid corrosion. Reaction generated directly by the hafnium and nitrogen at 900 ℃, it is the important part of refractory compounds hafnium alloy.

Get Quotation

Hafnium Sputtering Target Hf– MSE Supplies LLC

Specifications for Hafnium Sputtering Target Material Type Hafnium Symbol Hf Atomic Weight 178.49 Atomic Number 72 Color/Appearance Gray Steel, Metallic Thermal Conductivity 23 W/m.K Melting Point (C) 2,227 Coefficient of Thermal Expansion 5.9 x 10^-6/K Theoretical Density (g/cc) 13.31 Z Ratio 0.36 Sputter DC Max Power Density(Watts/Square

Get Quotation

High Purity Metal Powders and Compounds for Research and

AEE supplies metal powders compounds for research industry. Our periodic table shows chemical symbol and number and links to atomic weight,description, CAS, crystal structure, % purity,and grit size. Click on 180 product links for technical data.

Get Quotation

Zirconium

The atomic radii of zirconium and hafnium are 1.45 and 1.44, respectively, while the radii of the ions are Zr 4+, 0.74, and Hf 4+, 0.75 .The virtual identity of atomic and ionic sizes, resulting from the lanthanoid contraction, has the effect of making the chemical behaviour of these two elements more similar than for any other pair of elements known.

Get Quotation

Wear

Mar 02, 1976A wear-resistant bearing material, and process for making it, comprising hard phase particles, such as Al 2 O 3, substantially uniformly dispersed in a plasma deposited or detonation gun deposited soft ductile metal matrix, such as aluminum bronze, and wherein said particles are sized between about 0.05 microns and about 100 microns, and present in a volume fraction of between

Get Quotation

Investigation of Boron Addition on Densification and

It was concluded that 0.5 wt% addition of elemental boron favored the formation of 316L stainless steel with a sintered density of up to 98.5 % through the formation of a complex iron boride compound (B 6 Fe 23) on the grain boundaries during the sintering process. The formation of a passive layer on the outer surface of implants was controlled

Get Quotation

Strategic Materials

Hafnium metal is produced when it is separated from zircon, a zirconium silicate mineral which is usually 98% zirconium and 2% hafnium. Hafnium is a metallic element used in a number of industrial applications because they are so resistant to corrosion and high temperatures.

Get Quotation

Aluminium diboride

Aluminum magnesium boride or BAM is a chemical compound of aluminium, magnesium and boron. Whereas its nominal formula is AlMgB 14, the chemical composition is closer to Al 0.75 Mg 0.75 B 14 . It is a ceramic alloy that is highly resistive to wear and has an extremely low coefficient of sliding friction, reaching a record value of 0.02 in lubricated AlMgB 14 −TiB 2 composites.

Get Quotation

A simple route to fabricate strong boride hierarchical

Previous studies have shown that core-shell structures develop in boride ceramics due to solid state diffusion during densification at high temperature [20,24]. At the densification temperature of 1930 C used in the present study, grain boundary diffusion is the predominant sintering mechanism and W solubility is relatively low.

Get Quotation

Hafnium diboride

Hafnium diboride belong to the class of Ultra-high-temperature ceramics, a type of ceramic composed of hafnium and boron. It has a melting temperature of about 3250 degrees Celsius. It is an unusual ceramic, having relatively high thermal and electrical conductivities, properties it shares with isostructural titanium diboride and zirconium diboride. It is a grey, metallic looking material.

Get Quotation

Superfine High Purity 99.5 Hafnium Boride Powder Micron

1) Hafnium diboride (HfB2) is chemically stable. Almost no reaction with all chemicals at room temperature (except HF). 2) HfB2 powder with high purity, small particle size, uniform distribution, large specific surface area, high surface activity and low bulk density make it the best choice for you to develop and produce high value-added innovative products.

Get Quotation

On the Role of Boride in the Structural Integrity of a

tetragonal (bct) crystal structure with lattice parameters a=5.72 and c=3.07 . These boride precipitates were observed along the grain boundaries and their size lay between 250 nm and 390 nm with ~0.5% area fraction (Figure 1a, b). Other precipitates like MC carbides and hafnium oxides were also observed in the parent alloy.

Get Quotation

XPS Interpretation of Zinc

Zinc's principle use is to galvanize iron and steel, preventing corrosion. It is also used to form numerous metal alloys such as brass, bronze, and aluminum solder. Zinc oxide is used in plastics, cosmetics, and wallpaper, while zinc sulfide is employed in luminescent dials, TV screens, and fluorescent lights.

Get Quotation

Kinetics of borided AISI M2 high speed steel

Nov 11, 2011The present study reports on kinetics of borided AISI M2 high speed steel. Boronizing thermochemical treatment was carried out in a solid medium consisting of EKabor powders at 850 C, 900 C and 950 C for 2, 4, 6 and 8 h, respectively.

Get Quotation

Optical characterization of hafnium boride and hafnium

Optical characterization of hafnium boride and hafnium carbide- taking advantage of the peculiar combination of high-temperature structural and for 20 min, using a stainless steel vial with two steel balls (13 mm diameter, 8 g weight), to reduce them in powder form. A laser light scattering analyzer (CILAS 1180, France) was used to

Get Quotation

Amorphous Boron Metal Powder

Description of Amorphous Boron Metal Powder. Boron is a metalloid element which is very hard and very resistant to heat. In its crystalline form it is the second hardest of all the elements on the Mohs scale . Normally boron has two allotropes, amorphous and crystalline. Amorphous boron is a brown powder and more reactive than crystalline boron.

Get Quotation

Pertanika J. Sci. Technol. 25 (S): 83

86 Pertanika J. Sci. Technol. 25 (S): 83 - 90 (2017) Subsequent to performing paste boronizing, boride layers which consist of FeB and Fe2B form on the surface of 316L stainless steel. It is also reported on the presence of both phases on impact of boronizing elsewhere (Balusamy et

Get Quotation

Zirconium Diboride

Zirconium diboride-silicon carbide (ZrB 2-SiC) and hafnium diboride-silicon carbide (HfB 2-SiC) composites have been identified as the most promising structural materials because of their superior oxidation resistance. These UHTCs and composites have been mainly synthesized via conventional sintering methods such as pressureless sintering and hot-pressing.

Get Quotation

Hafnium

10043-35-3 HfB2 hafnium boride 12007-23-7 HfBr4 hafnium bromide 18 Zircaloy-4 0.22 Aluminum 0.23 Iron 2.56 Austenitic Stainless Steel 3.1 Nickel 4.5 Titanium 6.1 Hafnium 104 Boron 750 mixture of ionic and covalent bonding. Zirconium, hafnium, plus many of the actinides form tetrafluorides with an ionic structure. Scanning

Get Quotation

(PDF) Study of bulk Hafnium oxide (HfO2) under compression

Study of bulk Hafnium oxide (HfO2) under compression. Hafnium oxide (HfO2) is a technologically important material. This material has K-value of 25 and band gap 5.8 eV. A k value of 25–30 is preferred for a gate dielectric [1].

Get Quotation

United States Patent 3,937,619

United States Patent [191 CIougherty [HI 3,937,619 l.451 Feb. 10, 1976 titanium or hafnium and the diboride is the diboride of a different member of the same group of less steel and titanium using steel tooling such as dies results in excessive wear of such components, use of

Get Quotation

Nanomechanical and nanotribological behaviors of hafnium

Nov 30, 20153.1. Structure of the films. The XRD patterns for the as-deposited films revealed their amorphous nature. The XRD patterns of the annealed samples also show that the films are amorphous, following vacuum annealing at 700 C. Previous studies showed that the HfB 2 films are turning into crystalline following annealing process at 600 C . Though, in that particular study, it had been found

Get Quotation

Iron (Fe) Pellets Evaporation Materials

Iron is found in a vast array of products including tools, automobiles, and machinery. When alloyed with carbon, steel is created which is an essential component for building construction and automobile manufacturing. Iron also has biological importance as it is responsible for carrying oxygen in blood.

Get Quotation

Boride Based Electrode Materials for MHD Direct Power

Objectives • Synthesize ternary solid solutions of transition metal borides containing ZrB 2 and HfB 2 by the mechanically induced self-sustaining reaction process. • Improve high temperature oxidation resistance (up to 2000 oC) of the borides by modifying the boride chemistry.

Get Quotation