Structure and performance of titanium aluminum carbide
The MAX phase of the ternary layered compound is a new type of cermet functional material. It has a hexagonal layered structure in the microscopic view, which is composed of MX layers and A atomic layers alternately arranged. The main difference between the 211, 312, and 413 phases lies in the number of M atoms between every two A atomic layers in the crystal. In other words, the Mn+1AXn phase is composed of n+1 MX sheets and 1 A-layer atomic planes alternately stacked. The MX is bonded by a strong covalent bond, and the MX sheet is bonded with the A atomic plane by a weak covalent bond, which makes the A atom easier to break away from the MX sheet. This unique chemical bond property gives the MAX phase excellent performance. With the increase of the thickness of the MX layer, the performance is close to the corresponding M-X binary carbide, and the performance of the MAX phase can be improved by adjusting the thickness of the MX layer.
MAX phase materials combine many advantages of ceramic materials and metal materials, including low density, high modulus, good electrical conductivity (thermal conductivity), thermal shock resistance, and excellent high temperature oxidation resistance.
The crystal structure of the MAX phase and the strong covalent bond characteristics between M-X make it have a higher elastic modulus and strength, while the lower shear modulus comes from the weak bond between the MX sheet layer and the A atomic plane. In the MAX phase of the same system, the bulk modulus and elastic modulus of the MX lamella increase continuously. Therefore, the MAX phase ceramic material with higher modulus can be obtained through the thickness of the MX layer.
As a high-temperature structural material, it must not only have good high-temperature mechanical properties, but also have excellent oxidation resistance. The oxidation resistance mainly depends on whether the material can generate a dense protective oxide film, such as aluminum oxide, silicon dioxide, etc., during the high temperature oxidation process. In the oxidation process, titanium aluminum carbide (Ti3AlC2) can form a continuous Al2O3 protective film due to the selective oxidation of Al. Experimental research results also show that titanium aluminum carbide (Ti3AlC2) has excellent thermal cycle resistance, and the resulting oxide film is dense, and The matrix is well bonded and there is no peeling. The oxide film of titanium silicon carbide (Ti3SiC2) at high temperature is divided into two layers, the outer layer is TiO2, and the inner layer is a mixture of TiO2 and SiO2. The denseness of the oxide film and the adhesion to the substrate are good.
Overview of titanium aluminum carbide Ti3AlC2 Max
It not only has the same electrical and thermal conductivity as metal, but also has high elastic modulus and excellent high temperature mechanical properties similar to ceramics.It also has good thermal vibration resistance,anti-destructive ability and excellent chemical corrosion resistance.
Application of titanium aluminum carbide Ti3AlC2 Max
The Al in the MAX phase of the Ti-Al-C system can rapidly diffuse and undergo selective oxidation during the oxidation process to form a dense Al2O3 film to prevent further oxidation of the matrix material.The microstructure of the interface between titanium aluminum carbide(Ti3AlC2 and Ti2AlC)and the formed Al2O3 makes the system material have high temperature self-healing ability.In a high temperature environment,cracks or nicks on the surface of the material are filled with the oxide,so that the material can restore its original properties,especially mechanical properties.This characteristic is of great significance for maintaining the mechanical properties of the material and improving the stability and reliability of the material,making it more likely to be used in high-temperature environments.
Titanium aluminum carbide(Ti3AlC2 and Ti2AlC)has the characteristics of rapid Al diffusion and selective oxidation at high temperature,respectively,to realize the butt welding of the material itself and the welding between layers.The fracture toughness of self-welded layered materials of titanium aluminum carbide(Ti3AlC2 and Ti2AlC)has been greatly improved compared with single-phase materials.
MAX phase products,especially titanium silicon carbide(Ti3SiC2),have a series of characteristics such as high damage tolerance,good mechanical and thermal properties,making it possible to be used in fourth-generation nuclear reactors as nuclear fuel in gas-cooled fast reactors The cladding material.In recent years, the ability of titanium silicon carbide(Ti3SiC2)to resist radiation damage has attracted more and more attention.
Titanium aluminum carbide powder is widely used in the largest special ceramic materials,electronic materials,high-temperature structural materials,electrode brush materials, chemical anti-corrosion materials and high-temperature heating materials.
Titanium aluminum carbide(Ti3AlC2)not only has the same electrical and thermal conductivity as metals,but also has a high elastic modulus similar to ceramics and excellent high-temperature mechanical properties.It also has good heat resistance,vibration resistance, destruction resistance and excellent chemical resistance.
Due to the unique nano-layer crystal structure, this type of titanium aluminum carbide ceramic material(Ti3AlC2)has the characteristics of oxidation resistance,self-lubrication,high fracture toughness and conductivity at room temperature.
Titanium aluminum carbide(Ti3AlC2)can be widely used as high-temperature structural materials,electrode brush materials,chemical anti-corrosion materials and high-temperature heating elements.
Titanium aluminum carbide(Ti3AlC2)can also be used in high temperature coatings,MXene precursors,conductive self-lubricating ceramics,lithium ion batteries, supercapacitors and electrochemical catalysis.
Aluminum titanium carbide is a multifunctional ceramic material that can be used as a precursor material for nanomaterials and MXenes.
The price of titanium aluminum carbide Ti3AlC2
The price of titanium aluminum carbide Ti3AlC2 will vary randomly with the production cost, transportation cost, international situation, exchange rate of titanium aluminum carbide Ti3AlC2, and the market supply and demand situation of titanium aluminum carbide Ti3AlC2. Tanki New Materials Co., Ltd. aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for titanium aluminum carbide Ti3AlC2, please feel free to send an inquiry to get the latest price of titanium aluminum carbide Ti3AlC2
Suppliers of titanium aluminum carbide Ti3AlC2 Max
As a global supplier of titanium aluminum carbide Ti3AlC2 Max, Tanki New Materials Co.,Ltd has extensive experience in the performance, application and cost-effective manufacturing of advanced and engineered materials.The company has successfully developed a series of powder materials(titanium carbide aluminum Ti3AlC2 Max, MAX special ceramic material vanadium aluminum carbide V2AlC powder, MAX special ceramic material titanium carbide tin Ti2SnC powder, MAX special ceramic material silicon carbide titanium Ti3SiC2 powder),high-purity target materials, functional ceramics and structural devices,and provide OEM services.
|Titanium aluminum carbide Health & Safety Information:|
|Hazard Codes||Xi, F|
|Transport Information||UN1394 4.3/ PG II|
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