科技报告详细信息
Copper corrosion and its relationship to solar collectors:a compendium.
Menicucci, David F. ; Mahoney, Alan Roderick
Sandia National Laboratories
关键词: Copper;    Corrosion;    Metals-Corrosion Fatigue.;    14 Solar Energy;    Solar Collectors.;   
DOI  :  10.2172/912648
RP-ID  :  SAND2007-4347
RP-ID  :  AC04-94AL85000
RP-ID  :  912648
美国|英语
来源: UNT Digital Library
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【 摘 要 】
Copper has many fine qualities that make it a useful material. It is highly conductive of both heat and electricity, is ductile and workable, and reasonably resistant to corrosion. Because of these advantages, the solar water heating industry has been using it since the mid-1970s as the material of choice for collectors, the fundamental component of a solar water heating system. In most cases copper has performed flawlessly, but in some situations it has been known to fail. Pitting corrosion is the usual failure mode, but erosion can also occur. In 2000 Sandia National Laboratories and the Copper Development Association were asked to analyze the appearance of pin-hole leaks in solar collector units installed in a housing development in Arizona, and in 2002 Sandia analyzed a pitting corrosion event that destroyed a collector system at Camp Pendleton. This report includes copies of the reports and accounts of these corrosion failures, and provides a bibliography with references to many papers and articles that might be of benefit to the solar community. It consolidates in a single source information that has been accumulated at Sandia relative to copper corrosion, especially as it relates to solar water heaters.
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