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The phase change in the magnesium oxide-based cementitious system was quantitatively analyzed by X-ray diffraction, combined with thermogravimetry\/derivative thermogravimetry and scanning electron microscope, to explore its erosion behavior under an erosion environment. The results revealed that, in the fully reactive magnesium oxide-based cementitious system under the environment of high concentration sulfate erosion, there was only magnesium silicate hydrate gel formation and no other phase; however, the reaction process of the incomplete magnesium oxide-based cementitious system was delayed, but not inhibited, by the environment of high-concentration sulfate, and it tended to turn completely into a magnesium silicate hydrate gel. The magnesium silicate hydrate sample outperformed the cement sample, in terms of stability in a high-concentration sulfate erosion environment, but it tended to degrade considerably more rapidly, and to a greater extent, than Portland cement, in both dry and wet sulfate cycle environments.<\/jats:p>","DOI":"10.3390\/ma16114042","type":"journal-article","created":{"date-parts":[[2023,5,29]],"date-time":"2023-05-29T07:49:23Z","timestamp":1685346563000},"page":"4042","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Study on the Stability of Low-Carbon Magnesium Cementitious Materials in Sulfate Erosion Environments"],"prefix":"10.3390","volume":"16","author":[{"given":"Yuan","family":"Jia","sequence":"first","affiliation":[{"name":"Hebei Provincial Laboratory of Inorganic Nonmetallic Materials, Hebei Provincial Industrial Solid Waste Comprehensive Utilization Technology Innovation Center, College of Materials Science and Engineering, North China University of Science and Technology, Tangshan 063210, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xinmei","family":"Zou","sequence":"additional","affiliation":[{"name":"Hebei Provincial Laboratory of Inorganic Nonmetallic Materials, Hebei Provincial Industrial Solid Waste Comprehensive Utilization Technology Innovation Center, College of Materials Science and Engineering, North China University of Science and Technology, Tangshan 063210, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yaoting","family":"Jiang","sequence":"additional","affiliation":[{"name":"Hebei Provincial Laboratory of Inorganic Nonmetallic Materials, Hebei Provincial Industrial Solid Waste Comprehensive Utilization Technology Innovation Center, College of Materials Science and Engineering, North China University of Science and Technology, Tangshan 063210, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuxin","family":"Zou","sequence":"additional","affiliation":[{"name":"Hebei Provincial Laboratory of Inorganic Nonmetallic Materials, Hebei Provincial Industrial Solid Waste Comprehensive Utilization Technology Innovation Center, College of Materials Science and Engineering, North China University of Science and Technology, Tangshan 063210, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shuanglin","family":"Song","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Coal Mine Safety Technology, China Coal Technology & Engineering Group, Shenyang Research Institute, Fushun 113122, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianyun","family":"Qin","sequence":"additional","affiliation":[{"name":"Kuqa County Yushuling Coal Mine Co., Ltd., Kuqa 842099, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yongjing","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Coal Mine Safety Technology, China Coal Technology & Engineering Group, Shenyang Research Institute, Fushun 113122, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lihua","family":"Zhu","sequence":"additional","affiliation":[{"name":"School of Civil Engineering, Hebei University of Engineering, Handan 056038, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,5,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"594","DOI":"10.3389\/fmats.2021.810535","article-title":"Effect of Aluminum Incorporation on the Reaction Process and Reaction Products of Hydrated Magnesium Silicate","volume":"8","author":"Jia","year":"2022","journal-title":"Front. 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