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公开(公告)号：US11881322B2
公开(公告)日：2024-01-23
申请号：US17153855
申请日：2021-01-20
Applicant: General Atomics
Inventor： Jonathan David Sheeder , Jiping Zhang , Christian Peter Deck , Hesham Ezzat Khalifa , Robert Warren Stemke , Brian Stephen Austin , Gokul Vasudevamurthy , Carlos Bacalski , Eric Song , Christina Allyssa Back
CPC classification number: G21C3/07 , C04B37/005 , C04B37/008 , G21C3/10 , G21C3/105 , G21C21/02 , C04B2237/50 , C04B2237/525 , C04B2237/59 , C04B2237/765 , C04B2237/84
Abstract: This patent document relates to systems, structures, devices, and fabrication processes for ceramic matrix composites suitable for use in a nuclear reactor environment and other applications requiring materials that can withstand high temperatures and/or highly corrosive environments. In one exemplary aspect, a method of joining and sealing ceramic structures is disclosed. The method comprises forming a joint of a ceramic structure and an end plug using a sealing material, wherein the end plug has a hole that goes through a top surface and a bottom surface of the end plug; filling the ceramic structure with a desired gas composition through the hole; heating a material into a molten form using a heat source; and directing the material into the hole, wherein the material solidifies to seal the end plug.
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公开(公告)号：US20210166825A1
公开(公告)日：2021-06-03
申请号：US17153855
申请日：2021-01-20
Applicant: General Atomics
Inventor： Jonathan David Sheeder , Jiping Zhang , Christian Peter Deck , Hesham Ezzat Khalifa , Robert Warren Stemke , Brian Stephen Austin , Gokul Vasudevamurthy , Carlos Bacalski , Eric Song , Christina Allyssa Back
Abstract: This patent document relates to systems, structures, devices, and fabrication processes for ceramic matrix composites suitable for use in a nuclear reactor environment and other applications requiring materials that can withstand high temperatures and/or highly corrosive environments. In one exemplary aspect, a method of joining and sealing ceramic structures is disclosed. The method comprises forming a joint of a ceramic structure and an end plug using a sealing material, wherein the end plug has a hole that goes through a top surface and a bottom surface of the end plug; filling the ceramic structure with a desired gas composition through the hole; heating a material into a molten form using a heat source; and directing the material into the hole, wherein the material solidifies to seal the end plug.
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3.发明申请公开(公告)号：US20220130558A1
公开(公告)日：2022-04-28
申请号：US17079328
申请日：2020-10-23
Applicant: General Atomics
Inventor： Jiping Zhang , Jack Gazza , Gokul Vasudevamurthy , Jonas Opperman , Arthur Blacklock , Austin Travis
Abstract: Fuel rod designs and techniques are provided to encapsulate nuclear fuel pellets in nuclear fuel rods. The tubular cladding in the disclosed fuel rods includes silicon carbide and a metal filler structure formed of a metal that becomes molten during a nuclear reaction of the nuclear fuel pellets and located inside the tubular cladding to include a metal tube that fills in a gap between the nuclear fuel pellets and an interior side wall of the tubular cladding and structured to include a closed metal end cap at one end of the nuclear fuel pellets to leave a space between one end of the interior of the tubular cladding and the closed metal end cap of the metal filler structure as a reservoir.
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