{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T11:01:05Z","timestamp":1770548465950,"version":"3.49.0"},"reference-count":39,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2020,2,16]],"date-time":"2020-02-16T00:00:00Z","timestamp":1581811200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering"],"published-print":{"date-parts":[[2020,10]]},"abstract":"<jats:p> The use of adhesive bonds has attracted considerable interest from the scientific community. Stepped-lap joints have the advantage of decreasing stress gradients along the bond length, although the outer steps still encounter stress levels above the steps in the inner zone of the joint. One possible way to reduce this stress gradient is to combine this type of joint with the use of two adhesives. This work consists of an experimental and numerical evaluation of stepped-lap dual-adhesive joints between aluminum adherends, for various overlap lengths ( L<jats:sub>O<\/jats:sub>), and comparison with stepped-lap single-adhesive joints. The adhesives Araldite\u00ae AV138, Araldite\u00ae 2015, and Sikaforce\u00ae 7752 were evaluated. Numerically, cohesive zone models with a triangular damage law were applied in the joint behavior prediction. The analysis of the results is presented in the form of failure modes, stress analysis, damage variable analysis, load\u2013displacement ( P\u2013\u03b4) curves and maximum load ( P<jats:sub>m<\/jats:sub>), and energy required to failure ( U). It was concluded that, in general, cohesive zone model presented precise predictions. In general, no significant increase in strength was achieved with dual-adhesive joint but, on the other hand, significant energy increases were obtained. <\/jats:p>","DOI":"10.1177\/0954408920905747","type":"journal-article","created":{"date-parts":[[2020,2,17]],"date-time":"2020-02-17T06:03:15Z","timestamp":1581919395000},"page":"454-464","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":13,"title":["Experimental and numerical analysis of dual-adhesive stepped-lap aluminum joints"],"prefix":"10.1177","volume":"234","author":[{"given":"CL","family":"Ferreira","sequence":"first","affiliation":[{"name":"Departamento de Engenharia Mec\u00e2nica, Instituto Superior de Engenharia do Porto, Instituto Polit\u00e9cnico do Porto, Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4167-4434","authenticated-orcid":false,"given":"RDSG","family":"Campilho","sequence":"additional","affiliation":[{"name":"Departamento de Engenharia Mec\u00e2nica, Instituto Superior de Engenharia do Porto, Instituto Polit\u00e9cnico do Porto, Porto, Portugal"},{"name":"INEGI \u2013 P\u00f3lo FEUP, Rua Dr. Roberto Frias, Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1504-2807","authenticated-orcid":false,"given":"RDF","family":"Moreira","sequence":"additional","affiliation":[{"name":"Departamento de Engenharia Mec\u00e2nica, Instituto Superior de Engenharia do Porto, Instituto Polit\u00e9cnico do Porto, Porto, Portugal"},{"name":"INEGI \u2013 P\u00f3lo FEUP, Rua Dr. Roberto Frias, Porto, 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