Discovering Pyramidal Treasures: Multi‐Scale Design of High Strength–Ductility Titanium Alloys
Shaolou Wei,
Kyung‐Shik Kim,
John Foltz
et al.
Abstract:Mechanical properties of titanium alloys, one of humankind's most essential structural materials, suffer from the lack of 〈c + a〉 dislocations on pyramidal slip planes, failing homogeneous plastic strain accommodation. This mechanical treasure is not easily accessible in titanium alloys because of the required excessively high stress levels. The present work demonstrates that such a dilemma may be overcome by meticulously tuning the c/a ratio, the simplest crystallographic parameter of the hexagonal close‐pack… Show more
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