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US 10,315,357 B2Granted
Production of monolithic bodies from a porous matrix using low temperature solidification in an additive manufacturing process
AssigneeRutgers, The State University of New Jersey
InventorRichard E. Riman
Life of this patent
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Abstract
A method of producing a monolithic body from a porous matrix includes using low temperature solidification in an additive manufacturing process.
Claims20
A method of producing a monolithic body from a porous matrix comprising:
- printing a slurry comprising a first reactant in a pattern followed by drying the slurry to form a layer of a porous matrix having interstitial spaces;
- infiltrating the interstitial spaces of the porous matrix with an infiltrating medium that comprises a second reactant;
- heating the infiltrated porous matrix at temperature below 250° C., such that the first and second reactants form a first product in the interstitial spaces and densify the layer;
- and
- repeating the above steps to produce a monolithic body,
- wherein the heating changes the size of the layer by less than 2%.
3 more elements
A method of producing a monolithic body from a porous matrix comprising:
- printing a slurry comprising a first reactant in a pattern followed by drying the slurry to form successive layers of a green body comprising a porous matrix having interstitial spaces;
- infiltrating the interstitial spaces of the porous matrix with an infiltrating medium that comprises a second reactant;
- and
- heating the infiltrated porous matrix at temperature below 250° C., such that the first and second reactants form a first product in the interstitial spaces and densify the green body to form a monolithic solid body,
- wherein the size of the monolithic solid body is within 2% of the size of the green body.
2 more elements
A method of producing a monolithic body from a porous matrix comprising:
- printing a slurry comprising a first reactant in a pattern followed by drying the slurry to form a first layer of a porous matrix having interstitial spaces and comprising at least a first reactant;
- infiltrating the interstitial spaces of the porous matrix with an infiltrating medium that comprises a second reactant;
- heating the infiltrated first layer at temperature below 250° C., such that the first and second reactants form a first product in the interstitial spaces and densify the first layer;
- printing, the slurry in a pattern followed by drying the slurry to form at least one second layer of the porous matrix over the first layer of the porous matrix;
- infiltrating the interstitial spaces of the at least one second layer with the infiltrating medium;
- heating the at least one second layer at temperature below 250° C., such that the first and second reactants form a first product in the interstitial spaces and density the at least one second layer,
- wherein the heating changes the size of the first and second layers by less than 2%.
4 more elements
Dependencies are inferred from the claim text.