Researchers develop high-strength nanotwinned aluminum alloy

By mmillikin Researchers have demonstrated how to create a super-strong aluminum alloy (nanotwinned Al-Fe) that rivals the strength of stainless steel, an advance with potential applications in the automotive and aerospace industries. The research, which shows how to alter the microstructure of aluminum to impart greater strength and ductility, is detailed in two papers, the latest in Advanced Materials, the first in Nature Communications.

The new high-strength aluminum is made possible by introducing “stacking faults,” (e.g., earlier post) or distortions in the crystal structure. While these are easy to produce in metals such as copper and silver, they are difficult to introduce in

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