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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
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.
Published: 2020 - 04 - 24
Views:224
BEIJING (Reuters) - China’s steel companies are banking on rising demand in 2020 for high-end, and higher priced, specialty metal products for use in new infrastructure projects to revive an economy that was already slowing before the recent coronavirus outbreak.
Published: 2020 - 04 - 17
Views:224
Vehicles either have steel or alloy rims. The obsession with rims is actually more pronounced among youthful car enthusiast who for reasons subscribe to the high-octane life and so appeal is a key element.
Published: 2020 - 03 - 06
Views:229
It is extremely rare to find a metal where the potential demand is much greater than what anyone can supply. It has happened the past year with the emissions metals palladium and rhodium which were up 75% and 366%; so it makes good sense that scandium may be next.
Published: 2020 - 02 - 27
Views:227
Indian exports of unwrought aluminum alloy to China surged in the last two months of 2019 as the country provided ADC12 to Chinese diecasters normally supplied by domestic smelters, leading to a surge in feedstock zorba scrap prices to India.
Published: 2020 - 02 - 20
Views:227
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