{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T04:53:28Z","timestamp":1768193608597,"version":"3.49.0"},"reference-count":60,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2023,8,3]],"date-time":"2023-08-03T00:00:00Z","timestamp":1691020800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Bulgarian National Scientific Found","award":["\u2116KP-06-H37\/13"],"award-info":[{"award-number":["\u2116KP-06-H37\/13"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>The effect of copper as a minority alloying element on the corrosion behaviour of amorphous and crystalline Al74Ni16Si10 and Al74Ni15Si9Cu2 alloys was investigated in this study. Amorphous alloys were produced as rapidly solidified ribbons using the Chill Block Melt Spinning (CBMS) method and subsequently annealed to complete crystallisation. The corrosion rate of alloys was obtained through continuous immersion tests in 3.5% NaCl at 25 \u00b0C and 50 \u00b0C for 360 h. The electrochemical parameters corrosion current density (Jcorr) and corrosion potential (Ecorr) were determined via the potentiodynamic polarisation test. The results showed better corrosion characteristics of amorphous alloys. The addition of 2 at.% copper to the Al74Ni16Si10 alloy improved pitting corrosion resistance without significant effect on the corrosion current and potential. In immersion tests at 25 \u00b0C, the presence of copper resulted in an increase in the corrosion rate of about 300% for both amorphous and crystalline alloys. At a temperature of 50 \u00b0C, this increase is on average 130%. The apparent difference between the results of the two test methods is discussed in terms of the imperfections on the surface of rapidly solidified ribbons. The results of this study will contribute to a more complex understanding of the nature of amorphous alloys and their application.<\/jats:p>","DOI":"10.3390\/ma16155446","type":"journal-article","created":{"date-parts":[[2023,8,3]],"date-time":"2023-08-03T11:23:03Z","timestamp":1691061783000},"page":"5446","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Effect of Cu as a Minority Alloying Element on the Corrosion Behaviour of Amorphous and Crystalline Al-Ni-Si Alloy"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4621-5501","authenticated-orcid":false,"given":"Vanya","family":"Dyakova","sequence":"first","affiliation":[{"name":"Institute of Metal Science, Equipment and Technologies with Hydro- and Aerodynamics Centre \u201cAcad. A. Balevski\u201d, Bulgarian Academy of Sciences, Shipchenski Prohod Str., 67, 1574 Sofia, Bulgaria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoanna","family":"Kostova","sequence":"additional","affiliation":[{"name":"Institute of Metal Science, Equipment and Technologies with Hydro- and Aerodynamics Centre \u201cAcad. A. Balevski\u201d, Bulgarian Academy of Sciences, Shipchenski Prohod Str., 67, 1574 Sofia, Bulgaria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3289-9124","authenticated-orcid":false,"given":"Boriana","family":"Tzaneva","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Technical University of Sofia, Kliment Ohridski Blvd., 8, 1000 Sofia, Bulgaria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hristina","family":"Spasova","sequence":"additional","affiliation":[{"name":"Institute of Metal Science, Equipment and Technologies with Hydro- and Aerodynamics Centre \u201cAcad. A. Balevski\u201d, Bulgarian Academy of Sciences, Shipchenski Prohod Str., 67, 1574 Sofia, Bulgaria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1799-0851","authenticated-orcid":false,"given":"Daniela","family":"Kovacheva","sequence":"additional","affiliation":[{"name":"Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Acad. Angel Bonchev Str., 11, 1113 Sofia, Bulgaria"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,8,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Russew, K., and Stojanova, L. (2016). Glassy Metals, Springer.","DOI":"10.1007\/978-3-662-47882-0"},{"key":"ref_2","first-page":"277","article-title":"Research Progress on Corrosion Resistance of Metallic Glasses","volume":"41","author":"Wang","year":"2021","journal-title":"J. Chin. Soc. Corros. 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