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The composition of GAS is X% 24CrNiMo + (1\u2013<jats:italic>X<\/jats:italic>)% wear\u2010resistant stainless steel (WSS), in which <jats:italic>X<\/jats:italic> is 100, 65, 35, and 0. The relationship between the microstructure and the corrosion resistance is intensively studied by electron backscatter diffraction (EBSD) and potentiodynamic electrochemical equipment. With the increase in the content of WSS, the low angle grain boundaries of the GAS increases, and the microstructure refines and the texture intensity decreases. The passivation film of the external WSS strengthening layer is dense; the corresponding corrosion potential and corrosion current density are \u22120.109\u2009V and 2.08\u2009\u00d7\u200910<jats:sup>\u22128<\/jats:sup>\u2009A\u2009cm<jats:sup>\u22122<\/jats:sup>, respectively. The corrosion current density is about 1% of the substrate 24CrNiMo, and the corrosion resistance of the material is significantly improved.<\/jats:p><\/jats:sec>","DOI":"10.1002\/srin.202100232","type":"journal-article","created":{"date-parts":[[2021,6,2]],"date-time":"2021-06-02T11:58:26Z","timestamp":1622635106000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Novel Gradient Alloy Steel with Quasi\u2010Continuous Ratios Fabricated by Selective Laser Melting: Microstructure and Corrosion Behavior"],"prefix":"10.1002","volume":"92","author":[{"given":"Xu","family":"Wang","sequence":"first","affiliation":[{"name":"School of Materials Science and Engineering Shenyang University of Technology  Shenyang 110870 Liaoning P. R. 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