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Detection of hydrogen in corrosion of copper in pure water
KTH, Skolan för kemivetenskap (CHE), Kemi, Korrosionslära (stängd 20081231).
KTH, Skolan för kemivetenskap (CHE), Kemi, Korrosionslära (stängd 20081231).
Visa övriga samt affilieringar
2008 (Engelska)Ingår i: Int. Corros. Congr.: Corros. Control Serv. Soc., 2008, s. 2378-2386Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Copper is generally assumed to be immune to corrosion by water itself. However, this is not supported by any scientific experimental evidence. Corrosion results from 15 years of exposure are presented here. A transition from O 2-consuming to H 2-evolving copper corrosion is concluded, which implies that copper can corrode by water itself. The complex corrosion product contains hydrogen. We have also measured a hydrogen uptake in the copper metal as a result of metallic copper corrosion by water which implies a sample thickness dependence on hydrogen uptake. The results are described in terms of autoionisation of water which offers an explanation why copper corrosion can take place in pure O 2-free water.

Ort, förlag, år, upplaga, sidor
2008. s. 2378-2386
Serie
17th International Corrosion Congress 2008: Corrosion Control in the Service of Society ; 4
Nyckelord [en]
Anoxic, Auto-ionisation, Copper, Corrosion, Hydrogen, SIMS, Water, Copper metal, Corrosion products, Experimental evidence, Free water, Hydrogen uptake, Pure water, Sample thickness, Copper corrosion, Corrosion prevention, Secondary ion mass spectrometry, Ionization of liquids
Nationell ämneskategori
Materialkemi
Identifikatorer
URN: urn:nbn:se:kth:diva-153313Scopus ID: 2-s2.0-84864986579ISBN: 9781615674251 (tryckt)OAI: oai:DiVA.org:kth-153313DiVA, id: diva2:756137
Konferens
17th International Corrosion Congress 2008: Corrosion Control in the Service of Society, 6-10 October 2008, Las Vegas, NV, USA
Anmärkning

QC 20141016

Tillgänglig från: 2014-10-16 Skapad: 2014-10-03 Senast uppdaterad: 2014-10-16Bibliografiskt granskad

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Hultquist, Gunnar B.Szakálos, Peter
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Korrosionslära (stängd 20081231)
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