| A STUDY ON THE CHEMICAL MECHANISM FOR POWDER CORROSION OF BRONZE ALLOY |
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| 引用本文： | 范崇正,王昌燧,王胜君,张懋森,W. T. CHASE,韩自强. A STUDY ON THE CHEMICAL MECHANISM FOR POWDER CORROSION OF BRONZE ALLOY[J]. 中国科学B辑(英文版), 1991, 0(10) |
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| 作者姓名： | 范崇正 王昌燧 王胜君 张懋森 W. T. CHASE 韩自强 |
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| 作者单位： | The University of Science and Technology of China，Hefei 230026，PRC，The University of Science and Technology of China，Hefei 230026，PRC，The University of Science and Technology of China，Hefei 230026，PRC，The University of Science and Technology of China，Hefei 230026，PRC，Arthur M.Sackler Gallery/Freer Gallery of Art Smithsonian Institution，Washington D.C 20560 USA，Museum of Fuyang，Fuyang 236004，PRC |
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| 基金项目： | Project supported by the National Natural Science Foundation of China. |
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| 摘 要： | A Cu-Sn-Pb alloy modelled after an antique was cast and the powder-corrosion (P-C) was prepared on it under simulated natural conditions. The main components of the corrosion are much like those of the ancient bronze powder corrosion. It is found that chloride, water and oxygen are the essential factors for P-C formation of which chlorine plays the most important role. According to the results of expriments and thermodynamic calculations, the chemical mechanism of the copper desease was studied. It is pointed out that the fast spread of P-C is caused by two vicious circles.
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A STUDY ON THE CHEMICAL MECHANISM FOR POWDER CORROSION OF BRONZE ALLOY |
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| FAN CHONG-ZHENG WANG CHANG-SUIWANG SHENG-JUN ZHANG MAO-SEN. A STUDY ON THE CHEMICAL MECHANISM FOR POWDER CORROSION OF BRONZE ALLOY[J]. Science in China(Chemistry), 1991, 0(10) |
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| Authors: | FAN CHONG-ZHENG WANG CHANG-SUIWANG SHENG-JUN ZHANG MAO-SEN |
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| Abstract: | A Cu-Sn-Pb alloy modelled after an antique was cast and the powder-corrosion (P-C) was prepared on it under simulated natural conditions. The main components of the corrosion are much like those of the ancient bronze powder corrosion. It is found that chloride, water and oxygen are the essential factors for P-C formation of which chlorine plays the most important role. According to the results of expriments and thermodynamic calculations, the chemical mechanism of the copper desease was studied. It is pointed out that the fast spread of P-C is caused by two vicious circles. |
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| Keywords: | element line analysis crystal-gap corrosion groove vicious circle. |
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