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Ti(C, N)-based cermet is a kind of composite material consisting of ceramic particles bonded with a metal binder phase, which combines the favorable properties of ceramics (high hardness and wear, corrosion and high-temperature oxidation resistance) with those of metals (toughness especially).
Introduction of Ti(C,N)-based Cermet
Application area
The unique physical and chemical properties of Ti(C, N)-based cermets makes it a promising material for cutting tools, 3C molds, high temperature wear-resistant parts and special cutting blades for cables and chemical fibers, etc.
Grade Introduction
ST20
Grade |
ST20 |
Feature |
It has low density, high strength .high hot hardness, good chemical stability and excellent high temperature oxidation resistance. It is hard to form built-up edge in cutting process. |
Density |
6.20 g/cm3 |
||
Hardness |
92.0 HRA |
Applications |
Suitable for high speed finishing and seme-finishing of carbon steel, alloy steel, cast iron, stainless steel, titanium alloy and other difficult-to-machine materials with excellent surface finish. |
TRS |
3000 MPa |
||
KIC |
9.8MPa*m1/2 |
Microstructure |
|
Porosity |
A02 |
||
B00 |
|||
C00 |
ST30
Grade |
ST30 |
Feature |
A grade with both high fracture toughness and good wear resistance, as well as excellent corrosion resistance. |
Density |
6.60 g/cm3 |
||
Hardness |
88 HRA |
Applications |
Suitable for corrosive environment with high requirement of strength and toughness, such as cutting knives, seals for electric power, petrochemical, machinery, textile and paper industries, etc. |
TRS |
2800 MPa |
||
KIC |
18MPa*m1/2 |
Microstructure |
|
Porosity |
A02 |
||
B00 |
|||
C00 |
ST25
Grade |
ST25 |
Feature |
It has excellent high temperature oxidation resistance, corrosion resistance and thermal shock resistance, and can maintain good dimensional stability under cyclic thermal shock for a long time. |
Density |
6.90 g/cm3 |
||
Hardness |
87.0 HRA |
Applications |
Heating transfer plate of 3D glass hot bending machine and other high-temperature molds. |
TRS |
2300 MPa |
||
800℃ Thermal conductivity |
30 W·m-1·K-1 |
Microstructure |
|
400-800℃ coefficient of thermal expansion |
9.0*10-6/℃ |
||
800℃ Specific heat capacity |
510 J·kg-1·℃-1 |
||
800℃ oxidation increase |
0.02 mg·cm-2·h-1 |
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