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Studies from B.S. Liu and Colleagues Reveal New Findings on Safety Engineering (Blistering failure analysis of organic coatings on AZ91D Mg-alloy...

July 2, 2014



Studies from B.S. Liu and Colleagues Reveal New Findings on Safety Engineering (Blistering failure analysis of organic coatings on AZ91D Mg-alloy components)

By a News Reporter-Staff News Editor at Journal of Engineering -- Investigators publish new report on Safety Engineering. According to news reporting originating from Shanxi, People's Republic of China, by VerticalNews correspondents, research stated, "A batch of notebook personal computer components was manufactured from AZ91D Mg alloy by precision die-casting, subsequent chemical conversion and organic coatings. After storage for some time, some blisters were found on some components."

Our news editors obtained a quote from the research, "SEM/EDS and FTIR analysis showed the blistering initiated because of in situ loss of adhesion at the organic coating/substrate interface, caused by contamination and/or corrosion. Data from accelerated environmental tests on deliberately contaminated model samples suggested that the blisters originated from contamination at the interface, and that the blistering was also related to the storage conditions. An empty blister forms at early time, and it gets filled with corrosion products later on, and corrosion further on, progress on these sports."

According to the news editors, the research concluded: "An effective way to reduce blister formation is to avoid direct physical contact with all components in this product."

For more information on this research see: Blistering failure analysis of organic coatings on AZ91D Mg-alloy components. Engineering Failure Analysis, 2014;42():231-239. Engineering Failure Analysis can be contacted at: Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England. (Elsevier - www.elsevier.com; Engineering Failure Analysis - www.elsevier.com/wps/product/cws_home/30190)

The news editors report that additional information may be obtained by contacting B.S. Liu, Luliang Univ, Lishi 033000, Shanxi, People's Republic of China. Additional authors for this research include Y.H. Wei, W.Y. Chen, L.F. Hou and C.L. Guo.

Keywords for this news article include: Asia, Shanxi, Safety Engineering, People's Republic of China

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Journal of Engineering


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