Powder Plasma Arc Surfacing Powder Composite Alloy Powder

       

The commonly used alloy powders for powder
plasma arc surfacing mainly include self fusible alloy powder and composite
powder. Today's article introduces composite alloy powder.

Composite powder is composed of two or more
solid phases with different properties. There is an obvious phase interface
between different phases. It is a new engineering material. The composition of
composite powder can be metal and metal, metal (alloy) and ceramic, ceramic and
ceramic, metal (alloy) and plastic, metal (alloy) and graphite, etc. it has a
wide range, including almost all solid engineering materials.

According to the structure of composite
powders, they can be generally divided into coated, uncoated and sintered
powders. The core particles of the coated composite powder are completely
coated by the coating material; For the core material of uncoated powder, the
degree of coating by the coating material is incomplete, which depends on the
ratio of components. Whether the coated composite powder or uncoated composite
powder, the combination between components is generally mechanical.

 

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