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Nickel is a hard and shiny metal powder with a light golden color. It is used in industrial applications worldwide. In addition to being used in many industrial processes, it is also widely used in coinage systems.
It is used to produce several types of metal alloys that provide corrosion resistance and anti-corrosion properties. These alloys include nickel-based superalloys, hydrogen storage alloys and shape memory alloys.
Ni is a metal that is very hard and is insoluble in water, nitric acid, and ammonia. However, it is slightly soluble in hydrochloric acid.
This metallic particle has been extensively researched over the past decades. Some of its specific characteristics include high chemical activity, enhanced hardness, and magnetism.
The properties of reduced Ni powder are dependent on many different factors. For example, the reduction rate is influenced by the temperature and flow of the gas. Another factor is the milling environment. Milling in air can result in very fine particles, while milling in argon gas produces coarser powders.
A new way to refine grain size is achieved by adsorption of oxygen. As a result, it is possible to develop an accurate regression equation that predicts the reduction rate of the powder under different combinations of parameters.
In recent years, there has been significant research into producing ultrafine nickel powder. Many of the properties of these powders have been improved due to their special characteristics.
The morphology of these powders is characterized by an irregular structure. One type of nickel powder is called the atomized powder. Despite its irregularity, the atomized nickel powder has a high purity.
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