Nickel powder is used as a metal binder in the diamond tool.
Ultrafine powder of high purity nickel, some manufacturers may use other metals mixed in which, but the formulation of specific methods should be its technical secrets not disclosed. Nickel powder is used as the higher prices of cobalt powder substitutes. What metal powder can replace it? This problem probably related to personnel want to know.
Nickel powder of diamond tools (the quality of one of the metal matrix alloy powder): metal binding agent is to determine the key factors of quality diamond saw blades, cutter head, grinding wheels, core drill, etc. in diamond is determined, the metal-binding agents became the determining factor, cobalt powder, nickel powder can be used as the binder, but the higher the price of cobalt powder.In diamond tool, the matrix refers to the package, the metal sintered body of diamond, the role of the matrix is dominated by diamond to make it play the role of cutting, but not prematurely fall off out. Matrix is generally composed by a variety of metallic elements low melting point metal powder as a binder, such as nickel powder.The construction industry with the diamond drill bit, cutting discs, oil and gas mining of diamond drill bits, carbide drill matrix bonding material mostly nickel powder; metal processing, automotive, motorcycle, mechanical polishing and processing tools used most of the diamond abrasives, the matrix material were powered by nickel powder. Carbonyl nickel powder, electrolytic nickel powder and reduced nickel powder.Carbonyl nickel powder particles of the unique crystal structure and high purity can become an ideal material for other metals mixed, dendritic surface so that it can work closely with the large particles combined in the powder before sintering to form a solid and uniform distribution in the subsequent leachate and other powder is uniform, and finally the formation of precision components for a balanced metallurgical structure, its performance is much better than ordinary nickel powder sintering process. Therefore, metal powder supplier is widely used carbonyl nickel powder in the nickel - cadmium, nickel - metal hydride batteries, filters, military, high density and high melting point materials, binder, additives of powder metallurgy, precision alloy, special steel, stainless steel welding rod, petrochemical catalysts and novel compounds, electronic picture tube getter, high-frequency or UHF magnetic materials and so on.
Source:http://www.mhcmp.com
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