A study of interrupted aging in Al-Cu-Mg alloys
MetadataShow full item record
Recently, a novel interrupted aging treatment, T6I6, was reported to improve the strength and toughness of heat treatable Al alloys. It consisted of the following three stages, namely, 1) artificially underaging at a typical temperature (150-200C) and quenching to room temperature, 2) reheating to a lower aging temperature (60-100C) for times that result in hardening, and 3) reheating to the initial aging temperature again and holding until peak hardness is observed. The improvements were reported to be due to precipitate refinement and secondary precipitation during the low temperature age. ...