Tailoring of Dissimilar Friction Stir Lap Welding of Aluminum and Titanium.

ABSTRACT: An approach was proposed to optimize dissimilar friction stir lap welding of aluminum and titanium alloys. The basic concept of the new technique included (i) the plunging of the welding tool solely into the aluminum part (i.e., no direct contact with the titanium side) and (ii) the welding at a relatively high-heat input condition. It was shown that sound welds could be readily produced using an ordinary cost-effective tool, with no tool abrasion and no dispersion of harmful titanium fragments within the aluminum side. Moreover, the intermetallic layer was found to be as narrow as ~0.1 µm, thus giving rise to excellent bond strength between aluminum and titanium. On the other hand, several important shortcomings were also revealed. First of all, the high-heat input condition provided sign

SUBMITTER: Kalinenko A 

PROVIDER: S-EPMC9738075 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature