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Scientists from Texas A&M University and the U.S. Air Force say they’ve developed a way to 3D print the strongest kind of steel, along with many other metals.By using a steel powder melted into place by a laser, this process follows in the footsteps of technologies like powder welding. And by adding a mathematical model to gauge which laser settings will best reduce printing flaws, the researchers have made a process they say makes strong steel into strong 3D-printed steel items.The mathematical model and its results are presented as an “optimization framework” that anchors the research team’s new paper.“This framework utilizes the computationally inexpensive Eagar-Tsai model, calibrated with single track experiments, to predict the melt pool geometry,” the team writes. “Computationall...
Published: 2020 - 04 - 24
Views:224
Heusler alloys are magnetic materials made from three different metals that are not magnetic individually. The alloys are used broadly for their magnetic and thermoelectric properties, and their ability to regain their original shape after being deformed, known as shape memory. Investigations by Tohoku University's advanced materials scientist An-Pang Tsai and colleagues now show that these materials can also be fine-tuned to speed up chemical reactions.
Published: 2020 - 01 - 22
Views:226
Researchers have used sound vibrations to shake metal alloy grains into tighter formation during 3-D printing.
Published: 2020 - 01 - 10
Views:226
The ability to 3D print titanium-alloy objects certainly does open up some intriguing possibilities. That said, the finished items aren't always as strong as they could be. Now, new research suggests that adding copper to those alloys could make a big difference.
Published: 2020 - 01 - 03
Views:224
Russian scientists have developed a new generation of extrahard alloys, which will be used for the creation of equipment for mining in the extreme conditions of the Arctic region, Yevgeny Levashov, the project manager and a professor of the Russian National University of Science and Technology, told Sputnik.
Published: 2019 - 12 - 27
Views:233
TEHRAN, Dec. 01 (MNA) – Deputy Minister of Industry, Mine and Trade and Chief Executive of Iranian Mines and Mining Industries Development and Renovation Organization (IMIDRO) Khodadad Gharibpour said that Islamic Republic of Iran will produce 28 million tons of steel by the end of the current Iranian calendar year (to end March 20, 2020).
Published: 2019 - 12 - 19
Views:231
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