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Retrogression heat treatment and re-aging (RRA) is used for retaining optimal strength in aluminum alloys such as 7075-T6 while avoiding stress corrosion cracking and for improving formability of aluminum components such as extrusions. Read More
Volkswagen of America started construction for its electric-vehicle (EV) production facility in Chattanooga, Tenn. The site, where production will begin in 2022, will be the company's North American assembly base for electric vehicles on the Modular Electric Drive Matrix (MEB). Volkswagen invested approximately $800 million in the Chattanooga facility and will add about 1,000 new jobs.
This article describes titanium-copper alloys that produce practically useful microscopic structures during additive manufacturing, which removes the need for subsequent treatment. The resulting materials exhibit promising combinations of mechanical properties, comparable to those of structural alloy Ti-6Al-4V.
Researchers at Penn State University found a way to charge an electrical-vehicle battery in just 10 minutes for a 200- to 300-mile trip … and it can be done maintaining 2,500 charging cycles, or 0.5 million miles.
Fiat Chrysler Automobiles (FCA) and Peugeot S.A. (Groupe PSA) signed a binding Combination Agreement providing for a 50/50 merger of their businesses to create the fourth-largest global automotive OEM by volume and third largest by revenue. The combined company will have annual unit sales of 8.7 million vehicles. Read More
Australian company SPEE3D demonstrated what it claims is the “world’s fastest live print of a metal part” at Formnext in Germany in November 2019. The company printed a 1.012-kg copper sledgehammer in 10 minutes and 2 seconds using supersonic deposition.
In December 2019, Mighty Earth joined leading steel companies (including ArcelorMittal), construction and development company Lendlease, major automakers Daimler and BMW, and other partners to announce the launch of the ResponsibleSteel Standard. The group says it is the world’s first international, multi-stakeholder standard for responsible production for steelmaking and processing sites.
The U.K. government announced an investment of approximately $403 million in late 2019 to help energy-intensive businesses in heavy industry, which includes steel- and iron-making facilities, reduce their energy bills and lower their carbon emissions.
Whether a component is produced through binder-jet additive manufacturing, metal injection molding or conventional press and sintering, lubricant removal continues to be one of the most common issues in sintering.
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