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公开(公告)号：US10196729B2
公开(公告)日：2019-02-05
申请号：US15258118
申请日：2016-09-07
申请人： FUJIMI INCORPORATED
发明人： Hiroyuki Ibe , Kazuto Sato , Kazuyuki Tsuzuki , Takaya Masuda
摘要： To provide a slurry for thermal spraying. In the slurry, even when spray particles precipitate, the precipitates easily disappear. The present invention provides a slurry for thermal spraying including spray particles and a dispersion medium. The spray particles have an average circularity in a plan view of 0.85 or less. The spray particles preferably have an average circularity of 0.6 or more. The spray particles may include yttrium fluoride and an yttrium oxyfluoride.
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公开(公告)号：US11299800B2
公开(公告)日：2022-04-12
申请号：US16333908
申请日：2017-09-15
申请人： FUJIMI INCORPORATED
发明人： Hiroyuki Ibe , Kazuyuki Tsuzuki
IPC分类号： C23C4/04 , C01F17/00 , C01F17/265
摘要： Provided is a thermal spraying material capable of forming a thermally sprayed coating film having improved plasma erosion resistance. The invention disclosed here provides a thermal spraying material. This thermal spraying material comprises composite particles in which a plurality of yttrium fluoride microparticles are integrated. In addition, the compressive strength of the composite particles is 5 MPa or more.
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公开(公告)号：US10138167B2
公开(公告)日：2018-11-27
申请号：US15142181
申请日：2016-04-29
IPC分类号： C04B35/505 , C23C4/12 , C01F17/00 , C23C4/04 , C23C24/04 , C23C4/129 , C23C4/126 , C23C4/134 , C04B35/50 , C04B35/553
摘要： This invention provides a thermal spray material capable of forming a thermal spray coating excellent in plasma erosion resistance as well as in properties such as porosity and hardness. The thermal spray material comprises a rare earth element oxyhalide (RE-O—X) which comprises a rare earth element (RE), oxygen (O) and a halogen atom (X) as its elemental constituents. The rare earth element oxyhalide has a halogen to rare earth element molar ratio (X/RE) of 1.1 or greater.
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公开(公告)号：US11359270B2
公开(公告)日：2022-06-14
申请号：US16333908
申请日：2017-09-15
申请人： FUJIMI INCORPORATED
发明人： Hiroyuki Ibe , Kazuyuki Tsuzuki
IPC分类号： C23C4/04 , C01F17/00 , C01F17/265
摘要： Provided is a thermal spraying material capable of forming a thermally sprayed coating film having improved plasma erosion resistance. The invention disclosed here provides a thermal spraying material. This thermal spraying material comprises composite particles in which a plurality of yttrium fluoride microparticles are integrated. In addition, the compressive strength of the composite particles is 5 MPa or more.
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5.发明授权公开(公告)号：US10377905B2
公开(公告)日：2019-08-13
申请号：US14773863
申请日：2014-03-07
申请人： FUJIMI INCORPORATED
发明人： Junya Kitamura , Hiroaki Mizuno , Kazuto Sato , Kazuyuki Tsuzuki
IPC分类号： C23C4/10 , C04B35/505 , C09D1/00 , C23C4/11 , C08K3/34 , C23C4/12 , C04B35/111 , C04B35/18 , C04B35/486
摘要： A thermal spray slurry of the present invention contains ceramic particles having an average particle size of 200 nm or more and 5 μm or less. Precipitates formed when 700 mL of the thermal spray slurry is placed in a 16.5-cm-high cylindrical vessel having a volume of 1 L and is allowed to stand still at room temperature for 1 week are made to disappear by disposing, at a temperature of 20° C. or higher and 30° C. or lower, the cylindrical vessel so as for the central axis of the cylindrical vessel to be horizontal and by rotating the cylindrical vessel at a rotation speed of 100 rpm for 120 minutes around the central axis of the cylindrical vessel to stir the thermal spray slurry in the cylindrical vessel.
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6.发明授权公开(公告)号：US10196536B2
公开(公告)日：2019-02-05
申请号：US14773874
申请日：2014-03-07
申请人： FUJIMI INCORPORATED
发明人： Junya Kitamura , Hiroaki Mizuno , Kazuto Sato , Kazuyuki Tsuzuki
摘要： A thermal spray slurry of the present invention contains ceramic particles in a content of 10% by mass or more and 85% by mass or less, and has a viscosity of 3,000 mPa·s or less. The ceramic particles have an average particle size of, for example, 1 nm or more and 5 μm or less. The thermal spray slurry may further contain a dispersant. The thermal spray slurry may further contain a viscosity modifier. The thermal spray slurry may further contain a flocculant.
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公开(公告)号：US10106879B2
公开(公告)日：2018-10-23
申请号：US15142172
申请日：2016-04-29
IPC分类号： C04B35/505 , C23C4/12 , C23C4/11 , C23C4/04 , C23C4/134
摘要： This invention provides a thermal spray material capable of forming a thermal spray coating with greater plasma erosion resistance. The thermal spray material comprises at least 77% by mass rare earth element oxyhalide (RE—O—X) which comprises a rare earth element (RE), oxygen (O) and a halogen atom (X) as its elemental constituents. The thermal spray material is characterized by being essentially free of an oxide of the rare earth element.
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公开(公告)号：US11066734B2
公开(公告)日：2021-07-20
申请号：US15508261
申请日：2015-09-03
申请人： FUJIMI INCORPORATED
发明人： Hiroyuki Ibe , Fumi Shinoda , Kazuyuki Tsuzuki
摘要： This invention provides a thermal spray slurry capable of forming a favorable thermal spray coating. The thermal spray slurry comprises a dispersion medium and thermal spray particles formed of at least one material selected from the group consisting of a ceramic, a cermet and a metal. 800 mL of the thermal spray slurry contains A kg of the thermal spray particles; when 800 mL of the thermal spray slurry in which the thermal spray particles are dispersed is supplied at a flow rate of 35 mL/min to a horizontally-placed tube and collected, the collected slurry contains B kg of the thermal spray particles; and the slurry has a supply efficiency index If of 70% or higher, determined by the next equation If (%)=B/A×100.
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公开(公告)号：US10106466B2
公开(公告)日：2018-10-23
申请号：US15142204
申请日：2016-04-29
IPC分类号： C04B35/505 , C23C4/12 , C01F17/00 , C23C4/04 , C04B35/515 , C04B35/553 , C04B35/626
摘要： This invention provides a thermal spray material capable of forming a thermal spray coating excellent in plasma erosion resistance as well as in properties such as porosity and hardness. The thermal spray material comprises a rare earth element oxyhalide (RE-O—X) which comprises a rare earth element (RE), oxygen (O) and a halogen atom (X) as its elemental constituents. The thermal spray material has an X-ray diffraction pattern that shows a main peak intensity IA corresponding to the rare earth element oxyhalide, a main peak intensity IB corresponding to a rare earth element oxide and a main peak intensity IC corresponding to a rare earth element halide, satisfying a relationship [(IB+IC)/IA]
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公开(公告)号：US09914993B2
公开(公告)日：2018-03-13
申请号：US15050923
申请日：2016-02-23
申请人： FUJIMI INCORPORATED
发明人： Hiroyuki Ibe , Kazuyuki Tsuzuki
IPC分类号： C04B35/622 , C23C4/04 , H01J37/32 , C04B35/111 , C04B35/505 , C04B35/515 , C04B35/553
CPC分类号： C23C4/04 , C04B35/111 , C04B35/505 , C04B35/5152 , C04B35/553 , C04B35/62222 , C04B2235/5436 , C04B2235/77 , C04B2235/96 , H01J37/32477 , H01J37/32495 , H01J37/3288
摘要： Provided is a compact thermal spray powder suitable for forming a ceramic thermal spray coating which is compact and excels in durability. The thermal spray powder disclosed herein includes ceramic particles formed of a ceramic material with a melting point equal to or lower than 2000° C. The thermal spray powder is configured such that the peak top of a main peak is in a range of 10 μm or less in a log differential pore volume distribution obtained by a mercury porosimetry, and when the peak top of a second peak is at a fine pore size less than that of the peak top of the main peak, the ratio (H2/H1) of the height H2 of the second peak to the height H1 of the main peak is 0.05 or less.
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