Study of the corrosion products formed on a multiphase CuAlBe alloy in a sodium chloride solution by micro-Raman and in situ AFM measurements

S. Montecinos; S.N. Simison

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Study of the corrosion products formed on a multiphase CuAlBe alloy in a sodium chloride solution by micro-Raman and in situ AFM measurements

机译：通过微拉曼和原位原子力显微镜测量研究在氯化钠溶液中多相CuAlBe合金上形成的腐蚀产物

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The corrosion products formed on a multiphase Cu-11.40Al-0.55Be (wt.%) alloy in 3.5% NaCl at open circuit potential, and their evolution with immersion time were studied mainly by micro-Raman and in situ AFM measurements. The aluminium content of each phase affects the formation of the corrosion products on them. After 1 day of immersion, γ_2 precipitates were more susceptible to dealuminization, while α' phase exhibited a high corrosion stability. The corrosion products evolved with immersion time, and CuCl_2 and a Cu_2O/CuO double layer film were the stable products formed on all the phases after long times.

机译：在开路电势下，在3.5％NaCl中的多相Cu-11.40Al-0.55Be（wt。％）合金上形成的腐蚀产物及其随浸泡时间的演变主要通过微拉曼和原位AFM测量研究。各相的铝含量会影响其上腐蚀产物的形成。浸泡1天后，γ_2沉淀物更易于脱铝，而α'相表现出较高的腐蚀稳定性。腐蚀产物随浸入时间的延长而演化，CuCl_2和Cu_2O / CuO双层薄膜是经过长时间腐蚀后在所有相上形成的稳定产物。

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来源
《Applied Surface Science》 |2011年第17期|p.7732-7738|共7页
作者
S. Montecinos; S.N. Simison;
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作者单位

INTEMA Facultad de Ingenieria, Universidad National de Mar del Plata, Juan B.Justo 4302, 7600 Mar del Plata, Argentina,CONICET, Argentina;

INTEMA Facultad de Ingenieria, Universidad National de Mar del Plata, Juan B.Justo 4302, 7600 Mar del Plata, Argentina,CONICET, Argentina;

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正文语种 eng
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in situ afm; micro-raman spectroscopy; copper-based alloys; corrosion; microstructure;

机译：原位自动售货机显微拉曼光谱铜基合金;腐蚀;微观结构;

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Study of the corrosion products formed on a multiphase CuAlBe alloy in a sodium chloride solution by micro-Raman and in situ AFM measurements

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