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You are here: Home » News » News » Comparison between PDC and TSP

Comparison between PDC and TSP

Views:74     Author:Site Editor     Publish Time: 2018-05-12      Origin:Site

Synthetic polycrystalline diamond compact(PDC) is composed polycrystalline diamond layer and cemented carbide substrate (like Cobalt). It is a kind of super-abrasive product sintered under super-high pressure and at high temperature. With excellent wear-ability, this very hard product has impact toughness.  Flat polycrystalline diamond compact Mainly used for making roller cone bit for petroleum drilling and tools for coalmine drilling and geological drilling.

Unlike PDC, TSP is unbacked polycrystalline diamond product, which is manufactured by the same ultra-high pressure and high temperature techniques associated with other PCD products. It is thermally stable up to 1200°C for its binder is chemically inert and has a similar coefficient of thermal expansion to that of diamond. It is suitable for mining bits and oil drlling bits.

 

Introduction of TSP (Thermal Stable Polycrystalline)

Thermal Stable Polycrystalline diamond (TSP) can be manufactured into a variety of sizes and shapes (Cubes, Cylinders, Discs, Rectangles, Triangles, Spheres etc.) that can be inserted into cutting tools, drilling bits, reamers, wire drawing dies, and other wear-resistant components.Drill bits and reaming shells made with TSP diamonds are suitable for drilling in soft rocks with hardness below 7 degrees, such as lime rock, marble, shale, etc, and in medium to hard rocks with coarse grains.

 

Applications of TSP(Thermal Stable Polycrystalline):

 Different thermally stable polycrystalline diamond products with different performances of wear-resistance, toughness, self-sharpening & high-temperature resistance can be used in gem-processing, Sic wheel dressers, wire drawing dies, coated cutters, etc. It can be applied on the drill bits for oilfields.

 


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