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NASA used ResonantAcoustic mixing and additive manufacturing to synthesize an alloy they termed GRX-810, which survived temperatures over 1,090 °C (1,990 °F). The alloy also featured improved strength, malleability, and durability. The printer dispersed oxide particles uniformly throughout the metal matrix.
First, the alloy materials are combined in a ball mill and ground to a fine powder. A hot isostatic pressing (HIP) process is then applied to simultaneously compress and sinter the powder. A final heat treatment stage helps remove existing internal stresses produced during any cold compaction [ broken anchor ] which may have been used.
All the major market averages finished higher for the week, with the S&P 500 gaining 2.5%, the Dow Jones Industrial average ending up 1.8% and the Nasdaq climbing north of 4%.
A wide range of engineering alloys are compatible with the EBDM process and are readily available in the form of welding wire from an existing supply base. These include, but are not limited to, stainless steels, cobalt alloys, nickel alloys, copper nickel alloys, tantalum, titanium alloys, as well as many other high-value materials. [citation ...
SLM-based additive manufacturing of nickel superalloys still poses significant challenges due to these alloys’ complex composition. With multiple alloying elements and high aluminum/titanium fraction, these materials, when consolidated through SLM form various secondary phases, which affects the processability and leading to weakness within ...
Technology stocks led a broad rally on Wall Street Tuesday during a holiday-shortened trading session ahead of Christmas. The Dow Jones Industrial Average added 0.9%, and the tech-heavy Nasdaq ...
WASHINGTON (Reuters) -The Biden administration will hold off enforcing a requirement laid out in an executive order this month that Nippon Steel abandon its $14.9 billion bid for U.S. Steel , the ...
Inconel alloys are oxidation- and corrosion-resistant. When heated, Inconel forms a thick, stable, passivating oxide layer protecting the surface from further attack. Inconel retains strength over a wide temperature range, attractive for high-temperature applications where aluminum and steel would succumb to creep as a result of thermally ...