A Study on Kinetics of the Bronze Powder-Corrosion Development
HCl acid was applied to the surface of the self-prepared Cu-Sn-Pb alloy, and the methods of IR-REF, IR-PAS, XRD, SPM, SEM, TEM and pH were employed to study the forming process and the developing speed of the bronze powder-corrosion Cu2（OH）3Cl （PC）. It is found that the corrosion develops fast in ac...
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| Veröffentlicht in: | 中国科学：化学英文版 1993 (6), p.659-668 |
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| creator | 范崇正 吴佑实 王昌燧 王胜君 胡克良 赵化章 |
| description | HCl acid was applied to the surface of the self-prepared Cu-Sn-Pb alloy, and the methods of IR-REF, IR-PAS, XRD, SPM, SEM, TEM and pH were employed to study the forming process and the developing speed of the bronze powder-corrosion Cu2（OH）3Cl （PC）. It is found that the corrosion develops fast in acid environment at room temperature; the corrosion Cu2（OH）3Cl with valence Cu2+ forms from alloy through the intermediate corrosion CuCl with valence Cu+; PC is contagious, which can pollute the fresh bronze alloy from the corroded sample by air; when CuCl is oxidized to produce Cu2（OH）3Cl, Cu2+ cation forms at the same time, and both the oxidizing reactions have zero-order reaction with respect to O2 in the air; the P1 formation reaction has first-order reaction with respect to Cull; in enormous distilled water Cu2（OH）3Cl forms from CuCl through the intermediate product Cu2O.All the results above are discussed in the present article, and the mechanism of PC formation is studied further. The r |
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It is found that the corrosion develops fast in acid environment at room temperature; the corrosion Cu2（OH）3Cl with valence Cu2+ forms from alloy through the intermediate corrosion CuCl with valence Cu+; PC is contagious, which can pollute the fresh bronze alloy from the corroded sample by air; when CuCl is oxidized to produce Cu2（OH）3Cl, Cu2+ cation forms at the same time, and both the oxidizing reactions have zero-order reaction with respect to O2 in the air; the P1 formation reaction has first-order reaction with respect to Cull; in enormous distilled water Cu2（OH）3Cl forms from CuCl through the intermediate product Cu2O.All the results above are discussed in the present article, and the mechanism of PC formation is studied further. The r</description><identifier>ISSN: 1674-7291</identifier><identifier>EISSN: 1869-1870</identifier><language>eng</language><subject>colloid ; corrosion ; dispersive ; ehemieal ; kineties ; powder ; system</subject><ispartof>中国科学：化学英文版, 1993 (6), p.659-668</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/60113X/60113X.jpg</thumbnail><link.rule.ids>314,776,780,4010</link.rule.ids></links><search><creatorcontrib>范崇正 吴佑实 王昌燧 王胜君 胡克良 赵化章</creatorcontrib><title>A Study on Kinetics of the Bronze Powder-Corrosion Development</title><title>中国科学：化学英文版</title><addtitle>SCIENCE CHINA Chemistry</addtitle><description>HCl acid was applied to the surface of the self-prepared Cu-Sn-Pb alloy, and the methods of IR-REF, IR-PAS, XRD, SPM, SEM, TEM and pH were employed to study the forming process and the developing speed of the bronze powder-corrosion Cu2（OH）3Cl （PC）. It is found that the corrosion develops fast in acid environment at room temperature; the corrosion Cu2（OH）3Cl with valence Cu2+ forms from alloy through the intermediate corrosion CuCl with valence Cu+; PC is contagious, which can pollute the fresh bronze alloy from the corroded sample by air; when CuCl is oxidized to produce Cu2（OH）3Cl, Cu2+ cation forms at the same time, and both the oxidizing reactions have zero-order reaction with respect to O2 in the air; the P1 formation reaction has first-order reaction with respect to Cull; in enormous distilled water Cu2（OH）3Cl forms from CuCl through the intermediate product Cu2O.All the results above are discussed in the present article, and the mechanism of PC formation is studied further. 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It is found that the corrosion develops fast in acid environment at room temperature; the corrosion Cu2（OH）3Cl with valence Cu2+ forms from alloy through the intermediate corrosion CuCl with valence Cu+; PC is contagious, which can pollute the fresh bronze alloy from the corroded sample by air; when CuCl is oxidized to produce Cu2（OH）3Cl, Cu2+ cation forms at the same time, and both the oxidizing reactions have zero-order reaction with respect to O2 in the air; the P1 formation reaction has first-order reaction with respect to Cull; in enormous distilled water Cu2（OH）3Cl forms from CuCl through the intermediate product Cu2O.All the results above are discussed in the present article, and the mechanism of PC formation is studied further. The r</abstract></addata></record> |
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| ispartof | 中国科学：化学英文版, 1993 (6), p.659-668 |
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| recordid | cdi_chongqing_primary_4001487195 |
| source | Alma/SFX Local Collection |
| subjects | colloid corrosion dispersive ehemieal kineties powder system |
| title | A Study on Kinetics of the Bronze Powder-Corrosion Development |
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