Sinterable metal paste for use in additive manufacturing
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United States of America
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Nov 12, 2024
Grant Date -
Jan 17, 2019
app pub date -
Sep 18, 2018
filing date -
Sep 18, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A material and method are disclosed such that the material can be used to form functional metal pieces by producing an easily sintered layered body of dried metal paste. On a microstructural level, when dried, the metal paste creates a matrix of porous metal scaffold particles with infiltrant metal particles, which are positioned interstitially in the porous scaffold's interstitial voids. For this material to realize mechanical and processing benefits, the infiltrant particles are chosen such that they pack in the porous scaffold piece in a manner which does not significantly degrade the packing of the scaffold particles and so that they can also infiltrate the porous scaffold on heating. The method of using this paste provides a technique with high rate and resolution of metal part production due to a hybrid deposition/removal process.
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International Classification(s)
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- B22F:WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES F....
- C22F:CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS MET....
- C21D:MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS....
- C22C:ALLOYS
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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