Insights from a Recent Meeting: Current Status and Future Directions in Magnesium Corrosion Research

被引:39
作者
Brady, Michael P. [1 ]
Joost, William J. [2 ]
Warren, C. David [1 ]
机构
[1] Oak Ridge Natl Lab, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA
[2] Pratt & Whitney, 400 Main St, E Hartford, CT 06108 USA
关键词
automobiles; coating; corrosion resistance; joining; magnesium; modeling; ENHANCED CATALYTIC-ACTIVITY; HYDROGEN EVOLUTION; LOCALIZED CORROSION; ALLOYS; MG; FORMABILITY; MECHANISMS; TEXTURE;
D O I
10.5006/2255
中图分类号
T [工业技术];
学科分类号
120111 [工业工程];
摘要
The United States Department of Energy Vehicle Technologies Office held a Technical Review Meeting entitled "Current Status and Future Directions in Magnesium Corrosion Research" at Oak Ridge National Laboratory in April 2016. Current funded Mg corrosion projects presented their latest results, along with invited presentations from academic and industrial researchers in the area of Mg corrosion. This paper overviews select topics from the meeting, with an emphasis on relaying meeting discussion points regarding future needs in understanding and mitigating Mg corrosion, particularly for automotive applications. Topics highlighted include the need for pretreatments and coatings suitable for mass vehicle production of Mg components, particularly for dissimilar metal joints involving Mg, Al, or steel, and corrosion evaluation methods more relevant to automotive components and operating conditions. From a scientific perspective, the need for better fundamental understanding of Mg dissolution, hydrogen evolution, and film formation behavior was a recurring theme, as was phenomena related to microgalvanic coupling involving second phases and impurities in Mg.
引用
收藏
页码:452 / 462
页数:11
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