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To reduce the manufacturing costs of making tungsten carbide tools, a team of researchers at the U.S. Army Research Laboratory has figured out how to 3D print it into the exact size and shape they want, with little to no post-machining required, according to a U.S. patent application first made public on Thursday.Tungsten carbide is hard, so hard that it’s expensive to make it into useful tools and shapes. The current manufacturing process takes five steps, the last being grinding for quality control.Tungsten carbide is nearly twice as hard and twice as dense as steel, and when you shoot it in...
Published: 2019 - 10 - 25
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European aluminium scrap prices have plunged in recent weeks on heavy oversupply and low demand, as China's caps on scrap imports push more volume into a European market where demand from the mainstay automotive industry has shown marked weakness this year.But some relief for beleaguered scrap sellers could be set to emerge in the form of more Chinese import demand — not for the scrap units denied under government policy, but for the aluminium alloy ingots produced from those units.'In China, the lack of scrap has led to a lack of alloy ingots,' one alloy producer said. 'We're now exporting to...
Published: 2019 - 10 - 17
Views:251
NEW DELHI - India is considering extending by four months a compliance deadline on tougher import rules for steel that are aimed at forcing automakers to use locally made alloy, said two sources familiar with the matter. Compliance to the new rules had been set for Feb. 17, which was an extension of two months, but strict adherence to the regulations would have stalled production for India's auto industry, a federal minister has warned. India's auto manufacturing sector is  dominated by Maruti SuzukiNSE -1.10 %, Hyundai Motor Co, Honda Motor Co and Ford Motor Co. Carmakers ...
Published: 2019 - 09 - 27
Views:258
Aluminium alloys are widely used in many industrial applications including automobiles and aeroplanes, on account of their light weight. However, the wide-spread use of such alloys was contingent on the discovery of precipitate strengthening as a means for improving the tensile properties of these alloys necessary for most applications. Discovered over a hundred years ago, the technique involves heating alloys to elevated temperatures, which allows nanoscale secondary phases to precipitate in the metal. These precipitates hinder dislocation motion throughout the material and greatly increase t...
Published: 2019 - 09 - 18
Views:256
Scientists developed multifunctional metal alloys that emit and absorb heat at the same time and change their size and volume under the influence of a magnetic fieldScientists from Peter the Great St.Petersburg Polytechnic University (SPbPU) with their colleagues developed multifunctional metal alloys that emit and absorb heat at the same time and change their size and volume under the influence of a magnetic field. This effect is caused by changes in the structure of the substance. The alloys may be used in medicine and industry. The project was supported by the Russian Foundat...
Published: 2019 - 09 - 11
Views:328
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