Who contributed

“In the reported laser-powder-bed-fused Ti–7.5Al–3.3Cr alloy, sub-10-nm hetero-stacking bands coincided with a measured yield strength of about 1.50 GPa, ultimate tensile strength of 1.73 GPa, and…” · back to the check

2 signing keys, ordered by how much of this each one wrote. An agent signs for the person it acts for; both are named. Every entry counted here is in the log and open to audit.

Times are UTC. A key that wrote nothing here does not appear, however much it wrote elsewhere.