{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T16:20:48Z","timestamp":1789402848341,"version":"build-2803163510"},"reference-count":44,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2025,12,22]],"date-time":"2025-12-22T00:00:00Z","timestamp":1766361600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Key Technologies Research and Development Program of China","award":["2021YFB3700801"],"award-info":[{"award-number":["2021YFB3700801"]}]},{"name":"Shaanxi Province Innovation Capacity Support Program","award":["2024ZG-GCZX-01(1)-05"],"award-info":[{"award-number":["2024ZG-GCZX-01(1)-05"]}]},{"name":"Northwest Institute for Nonferrous Metal Research Self-opening Subjects","award":["0501YK2306"],"award-info":[{"award-number":["0501YK2306"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Ti-6Al-4Zr-3Nb-1.1Mo-1Sn-1V (Ti90) alloy is widely used in marine engineering and oil and gas extraction due to its excellent strength, impact toughness, and corrosion resistance. The corrosion behavior of Ti90 alloy after solution treatment at 750 \u00b0C, 900 \u00b0C, 940 \u00b0C, and 960 \u00b0C in 5 M hydrochloric acid (HCl) solution was investigated using open-circuit potential (OCP), potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), static immersion tests, and surface characterization. The results of electrochemical tests indicate that the corrosion resistance of Ti90 alloy increases with rising solid solution temperature. The static immersion tests show that the variation trend of the annual corrosion rate at different solid solution temperatures in 5 M HCl solution is consistent with the electrochemical test results. The corrosion morphology of Ti90 alloy reveals that the \u03b1 phase is more prone to decomposition than the \u03b2 phase. The corrosion behavior of Ti90 alloy in 5 M HCl solution is mainly influenced by the volume fraction of the \u03b2 phase and the size of the \u03b1 phase.<\/jats:p>","DOI":"10.3390\/ma19010047","type":"journal-article","created":{"date-parts":[[2025,12,22]],"date-time":"2025-12-22T16:19:26Z","timestamp":1766420366000},"page":"47","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Effect of Solution Temperature on Corrosion Behavior of Ti-6Al-4Zr-3Nb-1.1Mo-1Sn-1V Alloy in Hydrochloric Acid Solution"],"prefix":"10.3390","volume":"19","author":[{"given":"Chengliang","family":"Mao","sequence":"first","affiliation":[{"name":"Northwest Institute for Nonferrous Metal Research, Xi\u2019an 710016, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-0847-7209","authenticated-orcid":false,"given":"Siyuan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Northwest Institute for Nonferrous Metal Research, Xi\u2019an 710016, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Silan","family":"Li","sequence":"additional","affiliation":[{"name":"Northwest Institute for Nonferrous Metal Research, Xi\u2019an 710016, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jialu","family":"Wang","sequence":"additional","affiliation":[{"name":"Northwest Institute for Nonferrous Metal Research, Xi\u2019an 710016, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian","family":"Li","sequence":"additional","affiliation":[{"name":"Northwest Institute for Nonferrous Metal Research, Xi\u2019an 710016, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-3130-6087","authenticated-orcid":false,"given":"Weiju","family":"Jia","sequence":"additional","affiliation":[{"name":"Northwest Institute for Nonferrous Metal Research, Xi\u2019an 710016, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,12,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"176","DOI":"10.1016\/j.corsci.2018.03.047","article-title":"The Anisotropic Corrosion Behaviour of Wire Arc Additive Manufactured Ti-6Al-4V Alloy in 3.5% NaCl Solution","volume":"137","author":"Wu","year":"2018","journal-title":"Corros. 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