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Rubber Peeling Mechanism of SOFT METAL ® for CHG
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 16, 2007 by SAE International in United States
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SOFT METAL (SUS plate coated with rubber) is used for cylinder head gasket (CHG). Conventionally, this SUS plate is preprocessed using coating chromate. When this was changed to chrome-free agent, the rubber was peeled off from the plate. There are found that this may be due to the electrochemical reaction caused by the contact between different metals-Al of the engine block and Fe (SUS) of CHG.
CitationKanamori, M. and Tokumitsu, H., "Rubber Peeling Mechanism of SOFT METAL ® for CHG," SAE Technical Paper 2007-01-1519, 2007, https://doi.org/10.4271/2007-01-1519.
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