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CuSn Powder

CuSn Powder is one of the most often utilized metal powders in the production of many types of metals. It possesses a variety of qualities that make it very applicable to a vast array of applications. Included in these qualities are Microhardness, Microstructure, Porosity, and Compression behavior.


It is known that adding CuSn33 to Cu-matrix foams increases microhardness and improves mechanical characteristics. To date, it is unclear how raising or lowering the CuSn33 content of Cu-matrix foams affects the microhardness value. A study was done to examine the relationship between CuSn33 concentration and microhardness.

On the Cu-matrix surface of samples, the effects of CuSn33 content on microhardness are examined using Vickers hardness measurements. These tests were conducted using a 20KN Servohydraulic universal testing machine on cylindrical samples. The samples were measured at five arbitrary locations. The results demonstrated that the average microhardness value rose with increasing CuSn33 content. However, the value of hardness reduced following heat treatment. The fall in hardness values can be related to the disintegration of the martensite phase that existed in the as-built condition.

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Multiple uses for CuSn powder have been developed. This metal powder can combine low electrical resistivity with excellent oxidation resistance. It can replace conductive powders based on noble metals. Additionally, it is wear resistant and self-lubricating.

Using TEM and energy dispersive X-ray spectroscopy, the oxidation resistance of CuSny powders was analyzed (XPS). CuSny particles possessed a spherical morphology, which is encouraged when the Sn/Cu atomic ratio is less than 0.1. The oxidation resistance of CuSny particles with a Sn-enriched surface layer was greater.

The inclusion of graphite powder enhanced the wear resistance of Cu-Sn alloys by a factor of three. These powders demonstrated greater elongation and tensile strength. The inclusion of big C particles, however, weakens the mechanical interlocking of particles.

CuSn 10 powder's morphology was also examined. After 24 hours of milling, the average particle size of CuSn10-Gr nanocomposite powders was 50-200 nm. In addition, the particle size decreased gradually with increasing grinding time.

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