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公开(公告)号：US11118091B2
公开(公告)日：2021-09-14
申请号：US16064808
申请日：2016-12-20
Applicant: ArcelorMittal
Inventor： Maria Cabanas Corrales , David Noriega Perez
Abstract: A method of heat treatment of a non-metallic or metallic item is provided. The method includes at least one step A) of heat transfer between the item and a heat transfer fluid A′ including a fluid medium and nanoparticles. The heat transfer fluid has a heat transfer coefficient above the heat transfer coefficient of water. The method also includes at least one step B) of heat transfer between the item and a heat transfer fluid B′ including a fluid medium and nanoparticles. The heat transfer fluid B′ has a heat transfer coefficient different from the heat transfer coefficient of A′ and above the heat transfer coefficient of water. The heat transfer fluids A′ and B′ are different.
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公开(公告)号：US12006222B2
公开(公告)日：2024-06-11
申请号：US17272779
申请日：2019-07-09
Applicant: ArcelorMittal
Inventor： Thi Tan Vu , Oscar Perez Vidal , Juan Jose Arribas , David Noriega Perez , Roberto Suarez Sanchez
IPC: C01B32/198 , B01J21/18
CPC classification number: C01B32/198 , B01J21/18
Abstract: A method for the manufacture of microwave-reduced graphene oxide (MW-rGO) including: the provision of graphene oxide (GO), the reduction of GO into reduced graphene oxide (rGO) using a reducing agent and the reduction of rGO into MW-rGO by microwaving under air atmosphere in presence of a catalyst.
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公开(公告)号：US10994327B2
公开(公告)日：2021-05-04
申请号：US16064897
申请日：2016-12-20
Applicant: ArcelorMittal
Inventor： Maria Cabanas Corrales , David Noriega Perez
IPC: B22D11/124 , C09K5/10 , C21D1/56 , C21D1/667 , C01B32/182 , B82Y30/00
Abstract: A method of heat treatment of a non-metallic or metallic item is provided. The method includes at least one step of heat transfer between the item and a heat transfer fluid A′. The heat transfer fluid A′ includes a fluid medium and nanoparticles having a lateral size between 26 and 50 μm. The heat transfer fluid has a heat transfer coefficient below the heat transfer coefficient of water.
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4.发明授权公开(公告)号：US10815410B2
公开(公告)日：2020-10-27
申请号：US16064957
申请日：2016-12-20
Applicant: ArcelorMittal
Inventor： David Noriega Perez
Abstract: A method of heat transfer between a metallic or non-metallic item and a heat transfer fluid including a fluid medium, hydrophobic nanoparticles having a lateral size between 26 and 50 μm and a dispersing agent is provided. The nanoparticles concentration/dispersing agent concentration ratio in weight is between 3 and 18 and the nanoparticles do not include carbon nanotubes. A heat transfer fluid is also provided.
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