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Titanium based metal wear-resistant alloy
Titanium based metal wear-resistant alloys, as a typical transition metal carbide, are inherently brittle and cannot be directly used as engineering components. Therefore, they are often used as reinforcing phases in composite materials, and are more commonly used as coatings in the field of materials, which have been applied and valued, such as the emergence of titanium carbide based ceramics.
- Standard
Product Introduction:
Titanium based metal wear-resistant alloys, as a typical transition metal carbide, are inherently brittle and cannot be directly used as engineering components. Therefore, they are often used as reinforcing phases in composite materials, and are more commonly used as coatings in the field of materials, which have been applied and valued, such as the emergence of titanium carbide based ceramics.
Product features:
Titanium based metal wear-resistant alloy is a heterogeneous composite material composed of metal or alloy TiC ceramic phase, which combines the high strength, high hardness, wear resistance, high temperature resistance, oxidation resistance, and chemical stability characteristics of ceramics, as well as the toughness of metals. It can be used to manufacture high-temperature thermocouple protective sleeves and crucibles for melting metals used in reducing and inert atmospheres.
Preparation method:
Titanium carbide powder is generally prepared by reacting TiO2 and carbon black in a carbon tube furnace with hydrogen or a frequency modulated Vacuum furnace at 1600 ℃ - 1800 ℃. The conventional ceramic molding method can be used for molding, and the hot pressing method can also be used for firing. The advantages of this method are energy saving, simple process, and high product purity.
Application scope:
① Cutting metal tools: The new titanium carbide based cermet is a tool material that has developed rapidly in recent years, with high comprehensive performance and much higher wear resistance than ordinary hard alloys under the same cutting conditions. The wear resistance of YT14 and YT15 hard alloys is also 5-8 times higher during high-speed cutting. At present, titanium carbide based cermets have been made into various blades for precision boring of holes and precision machining fields such as "replacing grinding with turning".
② Aviation and space industry: TiC/Cu cermet prepared by high-temperature sintering skeleton infiltration process has good ablation resistance, and has the potential to be used as a material for rocket throat lining and guard plate.
③ Other: Metal based inner lining ceramics synthesized by SHS centrifugal casting can be used as corrosion-resistant pipelines for the transportation of petroleum or chemical products, semi-finished products, as well as wear-resistant pipelines for mines, mineral processing plants, slurry transportation pipelines, and water pipelines for muddy and sandy water.