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Powder metallurgy materials



Powder Metallurgy is a very promising new technology and new technology, which has been widely used in agricultural machinery, automobile, machine tool, metallurgy, chemical industry, light industry, geological exploration, transportation and so on. Powder metallurgy materials are tool materials and mechanical parts and structural materials. Tool materials are generally high-speed steel powder, carbide, superhard materials, ceramic tool materials and composite materials.

Mechanical parts and structural materials are powder friction-reducing materials, including porous friction-reducing materials and dense friction-reducing materials; powder metallurgy iron-based parts and powder metallurgy non-ferrous metal parts.

1. Cemented Carbide Carbide consists of hard matrix (mass fraction of 70% ~ 97%) and bonding metal two parts. Hard matrix is ​​a refractory metal carbides, such as tungsten carbide and titanium carbide; bonding metal for the iron group metals and alloys, cobalt-based.

Carbide types and grades Carbide is an excellent tool material, mainly used for cutting tools, metal forming tools, mining tools, surface wear-resistant materials and high-rigidity structural parts. Types are tungsten carbide, steel bonded carbide, coated carbide, fine grain cemented carbide and so on.

Steel bonded carbide is a new type of tool and die materials, properties between high-speed tool steel and carbide, is one or more carbide (such as WC, TiC) for the hardening phase to carbon steel or Alloy steel (such as high-speed tool steel, chrome molybdenum steel, etc.) powder as binder, by ingredients, pressing, sintering and made of powder metallurgy materials. After annealing, can be cutting; quenching, tempering treatment, there is the equivalent of high hardness and wear resistance of cemented carbide, a certain heat, corrosion and oxidation resistance. Suitable for manufacturing twist drill, cutter and other complex shape of the tool, mold and wear parts. Tungsten carbide (WC-Co), tungsten and titanium cobalt (WC-TiC-Co), tungsten and titanium tantalum (niobium) class [WC-TiC-TaC ( NbC) -Co system, WC-TaC (NbC) -CO system].

Tungsten cobalt-based hard alloy is the main chemical composition of tungsten carbide (WC) and cobalt. Grade is "YG + number" (YG is "hard cobalt" Pinyin prefix), the number represents the average cobalt mass fraction. Such as YG6 said cobalt average mass fraction of 6%, the balance of tungsten carbide tungsten carbide. The alloy has high bending strength and can withstand large impact. The grinding workability is good, but the hardness is low (800 ~ 900 ℃), and the wear resistance is poor. It is mainly used to process cast iron and nonferrous metal Of the cutting tool. The main chemical composition of tungsten and titanium cobalt-based hard alloy is tungsten carbide, titanium carbide (TiC) and cobalt. The number is "YT + number" (YT is "hard titanium" Pinyin prefix), the number of titanium carbide average mass fraction.

Such as YT15 said TiC is 15%, the rest are WC and Co of cemented carbide. This kind of cemented carbide has high hot hardness (900 ~ 1100 ℃), good abrasion resistance, but low bending strength, can not bear the big impact, the grinding processability is bad, mainly used for processing steel. Tungsten and titanium tantalum (niobium) type carbide is also known as universal carbide or universal cemented carbide. It is composed of tungsten carbide, titanium carbide, tantalum carbide (TaC) or niobium carbide (NbC) and cobalt. The brand name is "YW + sequence number" (YW means "hard Wan" Pinyin prefix), such as YW1 said universal cemented carbide. The carbide is added to the hard alloy TaC or NbC, its high hardness (> 1000 ℃), and other properties between tungsten and cobalt and tungsten and cobalt class between cobalt, which can process steel, and Can process non-ferrous metals.

Lang Feng metal always uphold the world's corporate mission to create value for customers to help employees grow and help more people to progress and development is our firm goal. We specialize in R & D, production and sales of military rocket system new materials, spraying materials, cemented carbide, cermet cutting tools and their raw materials. Company's main products are:

1, metal carbide powder series products: zirconium carbide powder, hafnium carbide powder, carbonated tantalum powder, niobium carbide powder, titanium carbide powder, vanadium carbide powder, chromium carbide powder, molybdenum carbide powder, titanium carbonitride powder, Powder and the like.

2, metal ceramic products: titanium carbide-based metal ceramic rods (titanium carbide rods), titanium carbide-based metal ceramic plate, titanium carbonitride-based cermet bar, titanium carbonitride-based ceramic plate and so on.

3, tile cutter wheel, glass cutter wheel.

4, planetary ball mill, industrial microwave.

Detailed product information, please pay attention to the company's official website:

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