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Cold spray technology, which has been used for decades as a coating process, can be used as a metal additive manufacturing process to rapidly print near-net-shape parts.Cold spray uses pressurized carrier gas to accelerate metal powders to high velocities through a de Laval nozzle aimed at the point of deposition. When the metal powder particles collide with the part’s surface, the high kinetic energy causes plastic deformation, creating mechanical interlocking and metallurgical bonding. Heat is generated during this interaction, but not enough to melt the material. This unique attribute of cold spray, referred to as a solid-state process, enables the processing of metals that are prone to crack during the rapid solidification that is characteristic of most metal AM processes. The solid-st...
Relese time: 2020 - 02 - 21
Views:222
As industrial applications of additive manufacturing become more prevalent, the oil and gas industry looks to the technology to speed up prototyping and the manufacturing of spare parts.
Relese time: 2020 - 01 - 03
Views:237
One of the disadvantages of modern industrial technologies for laser three-dimensional printing is strong heating at the point of contact of the metal with the laser light beam. This heating melts the metal powder, but it also leads to the appearance of areas of internal mechanical tension and deformation of the workpiece. And all these things are practically impossible to predict, which makes it impossible to somehow compensate for them.
Relese time: 2019 - 12 - 27
Views:239
BASF inaugurated the second phase of its new, world-scale antioxidants manufacturing plant at its Caojing site in Shanghai, China. The second phase comprises a synthesis plant to produce the antioxidants Irgafos®168 and Irganox® 1076. With the completion of the second phase, the plant will have an annual capacity of 42,000 tons, mainly serving customers in China.
Relese time: 2019 - 12 - 19
Views:233
Powder metallurgy was practiced long before ancient artisans learned to melt and cast iron. Egyptians made iron tools using PM techniques back in  3,000 B.C. The ancient Incans made jewelry and artifacts using precious metal powders. The first modern PM product were the tungsten filaments for electric light bulbs developed in the early 1900s. These were followed by tungsten-carbide cutting tools and self-lubricating bearings in the 1930s; automobile parts in the ’60s and ’70s;
Relese time: 2019 - 12 - 06
Views:241
There are several types of additive manufacturing and many applications, but the main principle is commonly known as 3D printing. This is where layers upon layers of material are stacked and fused on top of each other to form a product, and controlled digitally by 3D software.
Relese time: 2019 - 11 - 29
Views:239
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