EN
Cermet
Cermet is a structural material composed of a ceramic (hard) phase and a metal (or alloy) binder phase.
Ceramic phases generally refer to high melting point oxides (such as alumina, beryllia, magnesia, zirconia, etc.) and refractory compounds (such as titanium carbide, tungsten carbide, tantalum carbide, boron carbide, zirconium diboride, titanium diboride and tantalum diboride, etc.).
The metal phase is mainly transition elements (iron, cobalt, nickel, chromium, molybdenum, tungsten, vanadium, niobium, tantalum, etc.) or their alloys.
Cermet not only has the advantages of toughness, high thermal conductivity and good thermal stability of metal,
but also has the characteristics of high temperature resistance, corrosion resistance and wear resistance of ceramics.
ADVANTAGES
Cermet (steel-bonded cemented carbide) is a composite material produced by powder metallurgy sintering and forging with steel as the binder phase and carbide (mainly titanium carbide and tungsten carbide) as the hard phase.
It has the following characteristics: good process performance, machinability and heat treatability.
In the annealed state, ordinary cutting equipment and tools can be used to carry out mechanical processing such as turning, milling, planing, grinding, and drilling.
It can also be forged and welded. Compared with cemented carbide, it has lower cost and wider application range.
Good physical and mechanical properties.
Steel-bonded cemented carbide has high hardness in the hardened state.
Because it contains a large amount of dispersed high-hardness hard phase, its wear resistance can be close to that of high-cobalt cemented carbide.
Compared with high-alloy die steel, it has higher elastic modulus, wear resistance, compressive strength and bending strength.
Compared with cemented carbide, it has better toughness. It has good self-lubrication, low friction coefficient and excellent chemical stability.
USE
Application:
Cutting Tools: Titanium rod is used in the manufacture of high-performance cutting tools for machining hard materials. The hardness and wear resistance of TiC make it ideal for drill bits, milling cutters, and other cutting tools.
Wear Parts: Employed in various industrial wear parts that are subjected to high levels of abrasion and wear. Common in industries such as mining, metalworking, and construction.
Cermets: TiC rods can be used as a component in cermet materials, which combine the properties of ceramics and metals. Suitable for applications that require a combination of high hardness and toughness.
Coatings: Used as a precursor for creating wear-resistant coatings on metal surfaces. TiC coatings enhance the durability and lifespan of components exposed to high wear and corrosion.
Abrasives: Utilized in abrasive applications for grinding and polishing hard materials, such as metals and ceramics.
Electrodes: Used in electrical discharge machining (EDM) electrodes due to their conductivity and wear resistance. Suitable for electrical contacts in harsh environments.
Armor and Protective Gear: Employed in the manufacture of lightweight, high-hardness armor for personal and vehicle protection.
SPECIFICATIONS
GRADE OF CERMET (STEEL-BONDED CARBIDE)
| Grade | Hard Phase | Binder Phase | Density | Hardness | TRS | Impact toughness | |
| g/cm3 | Annealing | Hardening | Mpa | J/cm2 | |||
| HRC | HRA | ||||||
| GT35 | TiC | Alloy steel | 6.40～6.60 | ≤48 | ≥86 | ≥1400 | ≥3.5 |
| R5 | TiC | Alloy steel | 6.30～6.50 | ≤48 | ≥86 | ≥1200 | ≥3.0 |
| TM52 | TiC | Alloy steel | 6.10～6.30 | sintered state:HRC≥60 | ≥1500 | H2O toughing treatment ≧6.0 | |
| TM60 | TiC | Alloy steel | 6.30～6.50 | sintered state:HRC≥56 | ≥1500 | ||
| GB10 | TiC | Alloy steel | 5.80～6.20 | sintered state:HRC≥65 | ≥1500 | ||
| GW1 | WC | Alloy steel | 10.45～10.65 | ≤48 | ≥83 | ≥1650 | Unforged≥6 |
| Forged≥8 | |||||||
| TLMW50 | WC | Alloy steel | 10.21-10.37 | 35-40 | 66-68 | ≥2000 | ≥8 |
| GW50 | WC | Alloy steel | 10.30-10.35 | 41-44 | 67-71 | 1870 | 6.5 |
| GJW50 | WC | Alloy steel | ≥10.20 | 35-38 | 68-71 | 2070-5260 | 8.5 |
| GW40 | WC | Alloy steel | 9.7-10.0 | 34-40 | 68-70 | 2400-2600 | ≥20 |
| DT | WC | Alloy steel | 9.75-9.90 | 32-38 | 62-65 | 2500-3600 | 15-25 |
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