. . . . . "Effects of varying preciptiation hardening temperatures and times on the ability of HSLA-80 to achieve a yield strength of 689.5 MPa and impact properties comparable to HSLA-100" . . . "Effects of varying precipitation hardening temperatures and times on the ability of HSLA-80 to achieve a yield strength of 689.5 MPa and impact properties comparable to HSLA-100"@en . . . . . . . .