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Steel Bonded Carbide Description (1/2)

From the narrow sense, the carbide we usually refer to is composed of the hard phase tungsten carbide (WC) and the binder phase cobalt (Co); in a broad sense, cemented carbide refers to the materials that refractory metal compound and a binder metal composed by ingredients, pressing alloy molding, sintering and a series of manufactured. Refractory metal carbides generally refers to the periodic table carbide article IV, V, VI family of W, Ti, Ta, V, Hf and other elements, of which the WC, TiC, TaC of the most widely used.

Cemented carbide has higher hardness, strength, red hardness, excellent chemical stability, perfect wear and ablation resistance and many advantages so that it has a broad application prospect, such as cutting tools, geological mining tools, molding, structural parts, wear parts, high temperature high pressure cavity and so on. Steel bonded carbide is one kind of cemented carbide. In addition, cemented carbide can be divided into common tungsten carbide based (WC - Co, WC- TaC - Co, WC – TiC - Co, WC – TiC – TaC - Co, WC- Ti – TaC – NbC - Co), titanium carbide or titanium carbonitride-based (commonly based on TiC or Ti(C,N) and uses Ni – Mo as the binder), chromium carbide based (commonly based on Cr3C2, uses Ni or Ni – W as the binder) and coated carbide (commonly based on tungsten carbide and deposits hard compound of few microns in thickness by CVD or PVD).

Steel bonded carbide a kind of cemented carbide that based on TiC or WC and uses steel as the binder. It is generally prepared using powder metallurgy method, after machining and heat treatment properties between conventional cemented carbide and steel, which is a new engineering material. Furthermore, according to the final structure of the binder phase, steel bonded carbide can be specifically divided into martensite-based, austenite-based and ferrite-based.

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by adriantrum | 2023-03-23 16:33


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