Introduction And Performance Of Hard Alloy Blades
Oct 11, 2023
Hard alloy blades, also known as tungsten steel blades, are electronic industry blades made of hard alloy, also known as tungsten steel
Material performance
Hard alloy blades are mainly made of integral hard alloy as the substrate and undergo multiple production processes for precision machining.
Hard alloy, also known as tungsten steel, is made by pressing and sintering high-quality tungsten carbide+cobalt powder mixture through formula ratio. It has high hardness, high strength, high wear resistance, and high elastic modulus, and belongs to the powder metallurgy industry. As the teeth of modern industry, hard alloy cutting tools play a fundamental role in promoting the development of the manufacturing industry.
Hard alloys can be divided into ordinary hard alloys, fine-grained hard alloys, and sub fine and ultra-fine grained hard alloys based on grain size, as well as newly introduced double crystal hard alloys. According to the main chemical composition, it can be divided into tungsten carbide based cemented carbide and titanium carbide based cemented carbide. Tungsten carbide based hard alloys include three types: tungsten cobalt (YG), tungsten cobalt titanium (YT), and rare carbides (YW), each with its own advantages and disadvantages. The main components are commonly used metal bonding phases such as tungsten carbide (WC), titanium carbide (Tic), and niobium carbide (NbC), which are Co. Titanium carbide based hard alloy is a hard alloy mainly composed of Tic, commonly used as metal bonding phases Mo and Ni. Hard alloy has high hardness (86-93HRA, equivalent to 69-81HRC), second only to diamond, and good thermal hardness (up to 900-1000 ℃, maintained at 60HRC); High bending strength (MPa5100), good impact toughness, and chemical inertness with extremely high corrosion resistance, which are not commonly found in alloy blades.






