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Introducing the Strengthening Phase of Cobalt Alloy Wire

Introducing the Strengthening Phase of Cobalt Alloy Wire
Cobalt Alloy wire is made of cobalt as a main component, containing a considerable amount of nickel, chromium, tungsten and a small amount of alloying elements such as molybdenum, niobium, tantalum, titanium, niobium, and occasionally iron. Depending on the composition of the alloy, they can be made into welding wire. The powder can be used for hard surface surfacing, thermal spraying, spray welding, etc., and can also be used for casting and forging parts and powder metallurgy parts.

Generally, Cobalt Alloy Plate lack a coherent strengthening phase. Although the medium temperature strength is low (only 50-75% of nickel-based alloys), it has higher strength, good thermal fatigue resistance, hot corrosion resistance and resistance at temperatures above 980 °C. Abrasive performance and good weldability. Suitable for the production of air jet engines, industrial gas turbines, guide vanes and nozzle guide vanes for marine gas turbines, and diesel engine nozzles.

Dispersion strengthening is a means of strengthening a material by adding hard particles to a homogeneous material. It refers to a metal material reinforced with an ultrafine second phase (reinforced phase) insoluble in a base metal. In order to distribute the second phase uniformly in the base metal, it is usually produced by a powder metallurgy method. The second phase is generally a high melting point oxide or carbide, nitride, and its strengthening can be maintained to a higher temperature.

Dispersion strengthening is a method of strengthening the alloy with a large effect, and it has a promising future. If the compound is dispersed or grainy in the solid solution grains, the strength and hardness of the alloy can be significantly improved, and the plasticity and toughness can be reduced little. The finer the particles, the more dispersed and evenly distributed, and the better the strengthening effect.

The HS111 Cobalt Chrome Alloy surfacing welding wire is a kind of Co-Cr-W surfacing alloy with low C and W content and good toughness. It can withstand the impact under hot and cold conditions, has a low tendency to crack, and has good corrosion resistance, heat resistance and wear resistance. It is mainly used to maintain good wear resistance and corrosion resistance when working at high temperatures, such as high temperature, high pressure valves, hot shear blades, hot forging dies, etc.

در تاريخ 11/دسامبر/2018 بدون دیدگاه برچسب ها : ،،،،

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