JP2011246816A - 燃焼コールドスプレー - Google Patents
燃焼コールドスプレー Download PDFInfo
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- JP2011246816A JP2011246816A JP2011116459A JP2011116459A JP2011246816A JP 2011246816 A JP2011246816 A JP 2011246816A JP 2011116459 A JP2011116459 A JP 2011116459A JP 2011116459 A JP2011116459 A JP 2011116459A JP 2011246816 A JP2011246816 A JP 2011246816A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 158
- 239000007921 spray Substances 0.000 title claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 74
- 238000002347 injection Methods 0.000 claims abstract description 64
- 239000007924 injection Substances 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 47
- 239000000446 fuel Substances 0.000 claims abstract description 44
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 239000007800 oxidant agent Substances 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims description 72
- 239000002994 raw material Substances 0.000 claims description 71
- 239000000758 substrate Substances 0.000 claims description 34
- 238000010286 high velocity air fuel Methods 0.000 claims description 22
- 230000001590 oxidative effect Effects 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 2
- 239000002243 precursor Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 18
- 238000000151 deposition Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000977 initiatory effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 22
- 229910052751 metal Inorganic materials 0.000 description 21
- 239000002184 metal Substances 0.000 description 21
- 239000007789 gas Substances 0.000 description 19
- 239000000567 combustion gas Substances 0.000 description 18
- 238000000576 coating method Methods 0.000 description 17
- 229910045601 alloy Inorganic materials 0.000 description 16
- 239000000956 alloy Substances 0.000 description 16
- 239000011248 coating agent Substances 0.000 description 15
- 238000002844 melting Methods 0.000 description 14
- 230000008018 melting Effects 0.000 description 14
- 230000008021 deposition Effects 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 238000005507 spraying Methods 0.000 description 10
- 229910052759 nickel Inorganic materials 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000007749 high velocity oxygen fuel spraying Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 5
- 238000001878 scanning electron micrograph Methods 0.000 description 5
- 238000007751 thermal spraying Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000011156 metal matrix composite Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000008247 solid mixture Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010288 cold spraying Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 229910000753 refractory alloy Inorganic materials 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D91/00—Burners specially adapted for specific applications, not otherwise provided for
- F23D91/02—Burners specially adapted for specific applications, not otherwise provided for for use in particular heating operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
- B05B7/20—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed by flame or combustion
- B05B7/201—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed by flame or combustion downstream of the nozzle
- B05B7/205—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed by flame or combustion downstream of the nozzle the material to be sprayed being originally a particulate material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/129—Flame spraying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/52—Nozzles for torches; for blow-pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
- F23D17/002—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
- F23C2900/03005—Burners with an internal combustion chamber, e.g. for obtaining an increased heat release, a high speed jet flame or being used for starting the combustion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
Abstract
【解決手段】 装置(10)は、燃焼室(22)を備える溶射ガン(16)、燃焼ゾーン(28)、空気噴射ポート(18)、燃料噴射ポート(20)、ノズル(30)及び液体噴射ポート(34)を含む。燃焼ゾーン(28)は燃焼室(22)の入口側(24)と出口側(26)の間に位置する。方法は、特に、燃焼ゾーン(28)に燃料及び酸化剤を供給し、燃焼ゾーン(28)内部で燃焼を開始させ、燃焼の生成物を出口側(26)に向けて送って、燃焼生成物流を生じせしめることを含む。方法は、原料と液体を含む原料混合物を燃焼生成物流に導入して、同伴原料流を生じせしめ、物品の表面に堆積膜を形成するために溶射ガンからノズルから同伴原料流を放出することとをさらに含む。
【選択図】図1
Description
Kermatico 9300 HVAF溶射ガンを利用した装置によってニッケル堆積膜を製造した。IN718合金を基材として使用し、Alfa Aesar社から入手した粒径約3〜7μmのニッケル粉体を原料として使用した。プロピレン燃料を83psigでガンに供給し、空気を85psigで供給した。燃焼圧は約70psigに調整した。ガンは、基材から6〜7cmのスプレー距離で約0.8m/sのガン移動速度で操作した。堆積膜は約200μm厚に成膜した。後方散乱電子モードで断面走査型電子顕微鏡(SEM)画像を得た。得られた図4のSEM画像は、堆積膜が、主に再凝固した溶融スプラットからなることを示している。SEM図から大量の酸化物系介在物の存在が明らかである。
粒径2〜3μmのニッケル粉体の10重量%水中スラリーを使用してステンレス鋼基材上にニッケルを堆積させた。プロピレン燃料を83psigでガンに供給し、空気を85psigで供給した。燃焼圧は70psigであった。ガンは、基材から6〜7cmの距離で約1.2m/sのガン移動速度で操作した。1パス当たり約8μm堆積させ、合計膜厚を約480μmとした。図6の断面SEM画像は、堆積膜が、主に溶融したことのない接合粒子からなることを示している。平均粒径は約2μmであった。
粒径2〜3μmのニッケル粉体の10重量%水中スラリーを使用してステンレス鋼基材上にニッケルを堆積させた。プロピレン燃料を83psigでガンに供給し、空気を85psigで供給した。燃焼圧は70psigであった。ガンは、基材から6〜7cmの距離で約1.2m/sのガン移動速度で操作した。1パス当たり約12μm堆積させ、合計膜厚を約480μmとした。図7の断面SEM画像は、堆積膜が、主に溶融したことのない接合粒子からなることを示している。平均粒径は約2μmであった。
12 堆積膜
14 基材
16 溶射ガン
18 空気噴射ポート
20 燃料噴射ポート
22 燃焼室
24 燃焼室の入口側
26 燃焼室の出口側
28 燃焼ゾーン
30 ノズル
31 透過性バーナブロックの上流側面
32 透過性バーナブロック
33 透過性バーナブロックの下流側面
34 液体噴射ポート
36 液体供給源
38 原料噴射ポート
40 原料供給源
50 装置
52 堆積膜
54 基材
56 HOVF溶射ガン
58 酸化剤噴射ポート
62 原料供給源
64 液体供給源
66 同軸管噴射ポート
68 同軸管噴射ポートの内側管
70 同軸管噴射ポートの外側管
80 物品
82 基材
84 基材の堆積面
86 堆積膜
88 複数の原料粒子
90 前駆的粒子境界
92 ボンドライン
Claims (10)
- 堆積膜(12)の製造装置(10)であって、
入口側(24)と出口側(26)とを有する燃焼室(22)を備える高速空気燃料(HVAF)ガン(16)と、
燃焼室(22)の入口側(24)と出口側(26)の間の燃焼ゾーン(28)と、
燃焼室(22)の入口側(24)に配置され燃焼ゾーン(28)に空気を噴射するように構成された空気噴射ポート(18)と、
燃焼室(22)の入口側(24)に配置され燃焼ゾーン(28)に燃料を噴射するように構成された燃料噴射ポート(20)と、
燃焼ゾーン(28)に配置された透過性バーナブロック(32)と、
燃焼室(22)の出口側(26)に配置されたノズル(30)と、
液体供給源(36)に接続され入口側(24)を通して燃焼室(22)に軸方向に配置された液体噴射ポート(34)と
を備える装置(10)。 - 前記液体噴射ポート(34)が燃焼室(22)の中心軸に沿って配置される、請求項1記載の装置(10)。
- 前記液体噴射ポート(22)が燃焼ゾーン(28)を通してノズル(30)内まで延在する、請求項1記載の装置(10)。
- HVAF溶射ガン(16)が、原料供給源(40)に接続され入口側(24)を通して燃焼室(22)に軸方向に配置された原料噴射ポート(38)をさらに備える、請求項1記載の装置(10)。
- 前記液体供給源(36)が、キャリア液及びキャリア液中に配合された原料又は原料前駆体を含む原料混合物を含む、請求項1記載の装置(10)。
- 堆積膜(52)の製造装置(50)であって、
原料供給源(62)と、
液体供給源(64)と、
入口側(24)と出口側(26)とを有する燃焼室(22)と、
燃焼室(22)の入口側(24)と出口側(26)の間の燃焼ゾーン(28)と、
燃焼室(22)の入口側(24)に配置され燃焼ゾーン(28)に燃料を噴射するように構成された燃料噴射ポート(20)と、
燃焼室(22)の入口側(24)に配置され燃焼ゾーン(28)に酸化剤を噴射するように構成された酸化剤噴射ポート(58)と、
燃焼室(22)の出口側(26)に配置されたノズル(30)と、
内側管(68)と外側管(70)とを備える同軸管噴射ポート(60)であって、原料供給源(62)及び液体供給源(64)の双方に接続されるように燃焼室(22)の入口側(24)に配置された同軸管噴射ポート(60)と
を備える装置(50)。 - 前記内側管(68)が原料供給源(62)と接続している、請求項6記載の装置(50)。
- 前記外側管(70)が液体供給源(64)と接続している、請求項6記載の装置(50)。
- 堆積膜(86)を有する物品(80)を形成する方法であって、
入口側(24)と出口側(26)とを有する燃焼室(22)を備える溶射ガン(16)を設け、
燃焼室(22)の入口側(24)と出口側(26)の間に燃焼ゾーン(28)を設け、
燃焼ゾーン(28)に透過性バーナブロック(32)を設け、
燃焼ゾーン(28)の内部に燃料及び酸化剤を供給し、
燃焼ゾーン(28)の内部で燃焼を開始させ、
燃焼の生成物を出口側(26)に向けて送って、燃焼生成物流を生じせしめ、
原料と液体を含む原料混合物を燃焼生成物流に導入して、同伴原料流を生じせしめ、
ノズル(30)を通して溶射ガン(16)から同伴原料流を放出して物品(80)の表面(84)に堆積膜(86)を形成する
ことを含む方法。 - 基材(82)と基材(82)上の堆積膜(86)とを備える物品であって、該堆積膜(86)が、複数の原料粒子(88)がそれらの粒子境界90に沿って接合したものからなり、該粒子が約10μm未満のメジアン粒径を有する、物品(80)。
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JP5802435B2 (ja) | 2015-10-28 |
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