MULTI-ALLOY COMPOSITE SHEET FOR AUTOMOTIVE PANELS
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United States of America Patent
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Issued Date -
Mar 21, 2013
app pub date -
Sep 14, 2012
filing date -
Apr 30, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Multi-alloy composite sheets and methods of producing the composite sheets for use in automotive applications are disclosed. The automotive application may include an automotive panel having a bi-layer or a tri-layer composite sheet with 3xxx and 6xxx aluminum alloys. The composite sheets may be produced by roll bonding or multi-alloy casting, among other techniques. Each of the composite sheets may demonstrate good flat hem rating and mechanical properties, long shelf life, and high dent resistance, among other properties.
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