Comparative investigation into the corrosion of different bronze alloys suitable for outdoor sculptures

被引：20

作者：

Gallese, Fortunata ^{[1
]}

Laguzzi, Giuseppe ^{[1
]}

Luvidi, Loredana ^{[1
]}

Ferrari, Vincenzo ^{[2
]}

Takacs, Sandor ^{[3
]}

Cesa, Gabriella Venturi Pagani ^{[4
]}

机构：

[1] CNR, Ist Metodol Chim, Area Ric Roma, I-00016 Rome, Italy

[2] Ctr Sviluppo Mat, I-00128 Rome, Italy

[3] Hungarian Acad Sci, Inst Nucl Res, H-4026 Debrecen, Hungary

[4] Fonderia Artist Venturi Arte Srl, Bologna, Italy

来源：

CORROSION SCIENCE | 2008年 / 50卷 / 04期

关键词：

copper; alloy; SEM; acid corrosion;

D O I：

10.1016/j.corsci.2007.11.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Several bronze alloys, suitable for production Of Outdoor sculptures, were developed in the frame of the European project "Eurocare-Bronzart". The elemental composition of the alloys was searched to fulfil specific criteria such as: reduction of lead content, good resistance toward corrosion and aesthetic characteristics conformable to artistic purposes. After metallurgical characterization, the resistance toward corrosion was evaluated in artificial environments. Ageing experiments were performed in a salt spray cabinet and in a climatic chamber in the presence of a controlled concentration of SO,. The Thin Layer Activation (TLA) method was applied to calculate the thickness loss of activated specimens exposed to artificial corrosive atmospheres. After artificial ageing experiments the surface of the materials was investigated by SEM-EDS techniques. The bronze alloys containing different percentage of nickel showed the best properties of resistance toward corrosion. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：954 / 961

页数：8

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