Nickel base alloy powder is a kind of high performance alloy material, which has excellent corrosion resistance, high temperature strength and wear resistance, and is widely used in aviation, aerospace, energy, chemical industry and other fields. In this paper, nickel base alloy powder is introduced from the aspects of alloy composition, preparation technology and application.

Composition of nickel-based alloy powder

Nickel base alloy powder nickel is the main component of nickel, but also contains chromium, molybdenum, cobalt, iron, copper, titanium and other elements. The addition of these elements can improve the corrosion resistance, high temperature strength and wear resistance of the alloy. Among them, the addition of chromium can improve the corrosion resistance of the alloy, the addition of molybdenum can improve the high temperature strength and wear resistance of the alloy, the addition of cobalt can improve the strength and wear resistance of the alloy, the addition of iron can improve the strength and wear resistance of the alloy, the addition of copper can improve the corrosion resistance and electrical conductivity of the alloy, the addition of titanium can improve the strength and corrosion resistance of the alloy.

Preparation process of nickel-based alloy powder

The preparation of nickel base alloy powder mainly includes chemical reduction, electrochemical reduction, vapor deposition, mechanical alloying and so on. Among them, chemical reduction method is a commonly used preparation method, its principle is to reduce metal ions into metal powder. The specific steps are: mixing metal ions with reducing agents, heating reaction, to obtain metal powder. Electrochemical reduction method is the use of electrochemical principles to reduce metal ions into metal powder, vapor deposition method is the metal vapor deposition on the substrate to form a metal film, mechanical alloying method is the metal powder in the ball mill for high-energy ball milling, so that it occurs solid reaction, forming alloy powder.

nickel-based alloy powder application field

Nickel base alloy powder nickel has excellent corrosion resistance, high temperature strength and wear resistance, and is widely used in aviation, aerospace, energy, chemical industry and other fields. In the aerospace field, nickel-based alloy powder nickel is used as a material for engine blades, turbine disks, combustion chambers and other components to improve their high temperature resistance and corrosion resistance. In the field of energy, nickel-based alloy powder nickel is used as a material for petrochemical equipment, nuclear power plant equipment, etc., to improve its corrosion resistance. In the chemical industry, nickel-based alloy powder nickel is used as a material for chemical reactors, catalysts, etc., to improve its corrosion resistance and catalytic activity.

Nickel base alloy powder Nickel is a kind of high performance alloy material, which has a wide application prospect. With the continuous development of science and technology, the preparation process and application field of nickel-based alloy powder nickel will continue to expand and improve.