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A new study by researchers at Cranfield University in the UK finds that switching from aluminum to zinc alloys in the production of automotive parts could greatly enhance their longevity and sustainability.The study, conducted by Cranfield’s Sustainable Manufacturing Systems Center, evaluated the performance of three different alloys (aluminum-A380, magnesium-AZ91D and zinc-ZA8) considering overall product life cycle aspects and process characteristics through a deterministic technique for order of preference by similarity to ideal solution (TOPSIS). Over recent years aluminum alloys have been favored by the automotive manufacturing industry for their lightweight properties and lower cost.The study suggests that aluminum is frequently chosen ahead of other alloys because of a failure to fu...
Published: 2020 - 06 - 17
Views:224
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.China imported 3,600t of aluminum alloy from India in December, up from none the prior year, according to China Customs. November imports were up to 1,400t, also from none the prior year. October imports were 85t, up from zero as well.China's aluminum alloy imports spiked to 63,000t in December, doubling the November total and nearly eclipsing the full...
Published: 2020 - 02 - 20
Views:228
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. Heusler alloys have a typical composition of two parts metal X, one part metal Y, and one part metal Z (X2YZ). Each of the...
Published: 2020 - 01 - 22
Views:228
3D printed Titanium alloys under an electron microscope: sample on the left with large, elongated crystals was printed conventionally, while sample on the right with finer, shorter crystals was printed sitting on a ultrasonic generator. Credit: RMIT UniversityResearchers have used sound vibrations to shake metal alloy grains into tighter formation during 3-D printing.A study can have a significant impact on the inner micro-structure of 3-D printed alloys, making them more consistent and stronger than those printed conventionally.Lead author and Ph.D. candidate from RMIT University...
Published: 2020 - 01 - 10
Views:228
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.Typically, when objects are being 3D printed out of titanium alloy, a laser is used to selectively melt a powder consisting of titanium particles and other chemical elements. In this fashion, items are built up a layer at a time, as each layer of melted powder cools into a solid.According to scientists at Australia's RMIT ...
Published: 2020 - 01 - 03
Views:226
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