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04
2020-01
Particle Size Measurement Methods for Metal Powders
Particle size analysis is an experimental procedure that characterizes the particle-size properties of powders using specific instruments and methods. In different application areas, the requirements for powder characteristics vary considerably; among all the parameters used to describe these properties, particle-size distribution is the most widely scrutinized. Below, we will discuss the fundamental concepts and basic techniques of particle-size analysis.
18
2019-03
Titanium is a cutting-edge material that boasts a low density, high specific strength, and excellent resistance to heat and corrosion. Its weight is only half that of iron, yet its mechanical properties—such as impact resistance and formability—are comparable to those of copper. Typically, as temperature decreases, the impact toughness of metals declines; however, titanium behaves quite differently: the lower the temperature, the harder it becomes, and at a certain critical temperature, it exhibits superconductivity.
18
2019-03
Challenges in 3D Printing of Copper Alloys and Factors Affecting Laser Absorptivity
The absorption rate of metallic materials to laser radiation directly affects the quality of additively manufactured parts. Although significant research has been conducted on the selective laser melting of copper and copper alloys, the high reflectivity of copper at the 1064 nm wavelength remains a persistent challenge.