Scintered powder metal shaped charges
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United States of America Patent
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Mar 22, 2016
Grant Date -
Mar 10, 2011
app pub date -
Sep 9, 2010
filing date -
Sep 10, 2009
priority date (Note) -
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Abstract
A shaped charge includes a casing defining an interior volume, wherein the casing is prepared by sintering a metal powder or a mixture of metal powders; a liner located in the interior volume; and an explosive between the liner and the casing. A method for manufacturing a shaped charge casing includes the steps of mixing a metal powder or a metal powder mixture with a binder to form a pre-mix; pressing the pre-mix in a mold to form a casing green body; heating the casing green body to a first temperature to vaporize the binder; raising the temperature to a second temperature in an inert or reducing atmosphere to sinter the metal powder or the metal powder mixture to produce the shaped charge casing.
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