JP2016533267A - 平板熱交換器 - Google Patents
平板熱交換器 Download PDFInfo
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- JP2016533267A JP2016533267A JP2016517375A JP2016517375A JP2016533267A JP 2016533267 A JP2016533267 A JP 2016533267A JP 2016517375 A JP2016517375 A JP 2016517375A JP 2016517375 A JP2016517375 A JP 2016517375A JP 2016533267 A JP2016533267 A JP 2016533267A
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- flat plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
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- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
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- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
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- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
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- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
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- B23K20/16—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating with interposition of special material to facilitate connection of the parts, e.g. material for absorbing or producing gas
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- B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
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- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
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- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
- B23K35/025—Pastes, creams, slurries
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- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
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- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
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- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3612—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with organic compounds as principal constituents
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/365—Selection of non-metallic compositions of coating materials either alone or conjoint with selection of soldering or welding materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
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- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/087—Heat exchange elements made from metals or metal alloys from nickel or nickel alloys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/14—Heat exchangers
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- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
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- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
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- F28F2275/04—Fastening; Joining by brazing
- F28F2275/045—Fastening; Joining by brazing with particular processing steps, e.g. by allowing displacement of parts during brazing or by using a reservoir for storing brazing material
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- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
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Abstract
Description
i)>50重量%Fe、<13重量%Cr、<1重量%Ni、及び<3重量%Mn;
ii)>90重量%Fe;
iii)>65重量%Fe及び>13重量%Cr;
iv)>50重量%Fe、>15.5重量%Cr、>6重量%Ni;
v)>50重量%Fe、>15.5重量%Cr、1〜10重量%Mo及び>8重量%Ni
vi)>97重量%Ni;
vii)>10重量%Cr、>60重量%Ni;
viii)>15重量%Cr、>10重量%Mo、及び>50重量%Ni;
ix)>70重量%Co;及び
x)>10重量%Fe、0.1〜30重量%Mo、0.1〜30重量%Ni、及び>50重量%Co、
のいずれかを備えることができる。
i)>50重量%Fe、<13重量%Cr、<1重量%Ni、及び<3重量%Mn;
ii)>90重量%Fe;
iii)>65重量%Fe及び>13重量%Cr;
iv) >50重量%Fe、>15.5重量%Cr、>6重量%Ni;
v) >50重量%Fe、>15.5重量%Cr、1〜10重量%Mo及び>8重量%Ni
vi)>97重量%Ni;
vii) >10重量%Cr、>60重量%Ni;
viii) >15重量%Cr、>10重量%Mo、及び>50重量%Ni;
ix)>70重量%Co;及び
x)>10重量%Fe、0.1〜30重量%Mo、0.1〜30重量%Ni、及び>50重量%Co、
のいずれかを備えることができる。
2 金属熱交換平板
3 平板パッケージ
4 第1の平板空間
5 第2の平板空間
10 熱伝導領域
11 端部領域
15 曲げ端部
16 第1の表面
17 第2の表面
18 隆起部
19 窪み部
20 溶融抑制成分
21 第1の平板
22 第2の平板
23 接触点
24 第1の平面の表面層
25 溶融金属層
26 接合部
A1、A2 面積
A3 断面積
Claims (22)
- 取り外し不能に接合された平板熱交換器(1)を生産する方法であって、
該平板熱交換器は、1000℃を超える固相線温度を有する、互いに隣り合って設けられた、第1の媒体のための第1の平板空間(4)及び第2の媒体のための第2の平板空間(5)を有する平板パッケージ(3)を形成する複数の金属熱交換平板(2)を備える、方法において、
前記第1及び第2の平板空間(4、5)が前記平板パッケージ(3)中に交互に設けられており、
前記熱交換平板(2)それぞれは、熱伝導領域(10)と、前記熱伝導領域(10)の周りに延びる曲げ端部(15)を備える端部領域(11)と、を備え、
前記平板(2)の第1の表面(16)が凸形状を形成し、前記平板の第2の表面(17)が、凹形状を形成し、
前記熱伝導領域(10)は、隆起部(18)と、窪み部(19)と、からなる波型部を備え、
前記平板の前記波型部と、前記折り曲げ縁部(15)と、は前記平板(2)をプレス加工することによって提供され、
前記方法は、
第1の平板(21)の前記第1の凸面(16)の少なくとも一部上に、溶融抑制成分(20)を適用するステップ(201)であって、前記溶融抑制成分(20)は、
・前記第1の平板(21)の溶融温度を低下させるためのリン及び珪素を備える溶融抑制成分、及び
・任意に、前記凸面(16)上へ前記溶融抑制成分(20)を適用するステップ(201)を容易化するためのバインダ成分
を備える、ステップと、
第2の平板(22)の第2の凹面(17)を、前記第1の平板(21)の前記第1の凸面(16)に前記平板(21、22)を積み重ねることによって接触させるステップ(202)と、
前記第1及び第2の平板(21、22)を、1000℃を超える温度に加熱するステップ(203)であって、それによって前記第1の平板(21)の前記第1の凸面(16)を、前記第1の平面(21)の表面層(24)が溶融し、前記溶融抑制成分(20)とともに、前記第1の平板(21)と、前記第2の平板(22)と、の間の接触点(23)で前記第2の平板と接触する溶融金属層(25)を形成するように溶融させる、ステップと、
前記溶融金属層(25)を凝固させるステップであって、前記平板パッケージ(3)中の前記平板(2)間の接触点(23)で、前記曲げ端部(15)が、前記平板パッケージ(3)中の前記平板(2)の前記曲げ端部(15)間に緊密な適合度を形成するように、接合部(26)を形成する、ステップにおいて、前記接合部(26)は少なくとも50重量%の金属を備え、該金属が前記加熱するステップ(203)前には、前記第1の平板(21)及び前記第2の平板(22)のいずれかの部分であった、ステップと、
を備えることを特徴とする方法。 - 前記リンは、以下の化合物:MnxPy、FexPy、及びNixPyの少なくともいずれかから選択されたリン化合物に由来することを特徴とする請求項1に記載の方法。
- 前記珪素は、元素珪素と、以下の化合物:炭化ケイ素、シリコンボライド、フェロシリコンのいずれかから選択された珪素化合物の珪素と、のいずれかに由来することを特徴とする請求項1又は2に記載の方法。
- 前記溶融抑制成分は、少なくとも25重量%、少なくとも35重量%、及び少なくとも55重量%のリン及び珪素のいずれかを備えることを特徴とする請求項1〜3のいずれか一項に記載の方法。
- リンは、前記溶融抑制成分のリン及び珪素の少なくとも10重量%を構成することを特徴とすることを特徴とする請求項1〜4のいずれか一項に記載の方法。
- リンは、前記溶融抑制成分のリン及び珪素の少なくとも55重量%を構成することを特徴とすることを特徴とする請求項1〜5のいずれか一項に記載の方法。
- 前記溶融抑制成分は、50重量%未満の金属成分を備えることを特徴とする請求項1〜6のいずれか一項に記載の方法。
- 前記溶融抑制成分は、10重量%未満の金属成分を備えることを特徴とする請求項1〜7のいずれか一項に記載の方法。
- 前記第1の平板は0.3〜0.6mmの厚みを有し、前記溶融抑制成分(20)を適用するステップ(201)は、前記第1の平板(21)の前記第1の凸面(16)上にmm2当たり平均0.02〜1.00mgのリン及び珪素を適用するステップを備えることを特徴とする請求項1〜8のいずれか一項に記載の方法。
- 前記第1の平板は0.6〜1.0mmの厚みを有し、前記溶融抑制成分(20)を適用するステップ(201)は、前記第1の平板(21)の前記第1の凸面(16)上にmm2当たり平均0.02〜2.0mgのリン及び珪素を適用するステップを備えることを特徴とする請求項1〜8のいずれか一項に記載の方法。
- 前記溶融抑制成分(20)を適用するステップ(201)は、
‐前記溶融抑制成分が前記第1の平板(21)の前記第1の凸面(16)に結合するまで、前記平板(2)を加熱するステップ(203)と、
‐前記溶融抑制成分(20)中のすべてのリン及び珪素が、前記第1の平板(21)の金属と化合物を形成してしまう前に、前記平板(2)の温度を低下させるステップと、
を備えることを特徴とする請求項1〜10のいずれか一項に記載の方法。 - 前記溶融抑制成分(20)を適用するステップ(201)は、前記平板をプレス加工する前に行われることを特徴とする請求項1〜11のいずれか一項に記載の方法。
- 前記溶融抑制成分(20)を適用するステップ(201)は、前記平板をプレス加工した後に行われることを特徴とする請求項1〜10のいずれか一項に記載の方法。
- 前記溶融抑制成分(20)を適用するステップ(201)は、前記溶融抑制成分を含有する懸濁液を、平板パッケージを通じて流すことによって、前記平板パッケージ(3)中に前記平板を積み重ねたのちに行われることを特徴とする請求項1〜10のいずれか一項に記載の方法。
- 前記溶融抑制成分(20)を適用するステップ(201)は、スクリーン印刷によって行われることを特徴とする請求項1〜10のいずれか一項に記載の方法。
- 前記溶融抑制成分(20)を適用するステップ(201)は、平板(2)に切断されるコイル上にスパッタされることによって行われることを特徴とする請求項1〜10のいずれか一項に記載の方法。
- 前記第1の表面(16)は、前記表面(16)上の前記接触点(23)によって規定された面積(A2)よりも大きな面積(A1)を有し、それによって溶融金属層(25)の金属が、前記接合部(26)を形成可能であるときに、前記接触点(23)へ流れることを特徴とする請求項1〜16のいずれか一項に記載の方法。
- 前記凸面(16)の面積(A1)は、前記接触点(23)によって規定された面積(A2)より少なくとも3倍大きいことを特徴とする請求項17に記載の方法。
- 前記表面(16)の面積(A1)は、前記接合部(26)の断面積(A3)より少なくとも10倍大きいことを特徴とする請求項17又は18に記載の方法。
- 前記平板(2)は、
・>50wt%Fe、<13wt%Cr、<1wt%Mo、<1wt%Ni、及び<3wt%Mn
・>90wt%Fe
・>65wt%Fe及び>13wt%Cr
・>50wt%Fe及び>15.5wt%Cr、及び>6wt%Ni
・>50wt%Fe及び>15.5wt%Cr、1〜10wt%Mo及び>8wt%Ni
・>97wt%Ni
・>10wt%Cr及び>60wt%Ni
・>15wt%Cr、>10wt%Mo及び<50wt%Ni
・>70wt%Co
・>80%Cu、及び
・>10wt%Fe、0.1〜30wt%Mo、0.1〜30wt%Ni、及び>50wt%Co
のうちの1つを備えることを特徴とする請求項1〜19のいずれか一項に記載の方法。 - 1000℃を超える固相線温度を有し、互いに隣り合って設けられ、第1の媒体のための第1の平板空間(4)及び第2の媒体のための第2の平板空間(5)を有する平板パッケージ(3)を形成する複数の金属熱交換平板(2)を備える取り外し不能に接合された平板熱交換器(1)であって、
前記第1及び第2の平板空間(4、5)が前記平板パッケージ(3)中に交互に設けられており、
前記熱交換平板(2)それぞれは、熱伝導領域(10)と、前記熱伝導領域(10)の周りに延びる曲げ端部(15)を備える端部領域(11)と、を備え、
前記平板(2)の第1の表面(16)が凸形状を形成し、前記平板の第2の表面(17)が、凹形状を形成し、
前記熱伝導領域(10)は、隆起部(18)と、窪み部(19)と、からなる波型部を備え、
前記平板の前記波型部と、前記曲げ端部(15)と、は前記平板(2)をプレス加工することによって提供され、
前記平板熱交換器は、請求項1〜20のいずれか一項に記載の方法によって生産される、平板熱交換器(1) - 接合部(26)によって第2の平板(22)と接合される第1の平板(21)を備え、前記平板(2)は1000℃を超える固相線温度を有し、
前記接合部(26)は、少なくとも50重量%の金属元素を備え、該金属元素は、前記接合部(26)を取り囲む領域(A1)から引き込まれているとともに、前記第1の平板(1)及び前記第2の平板(2)のいずれかの一部であったことを特徴とする請求項21に記載の平板熱交換器(1)。
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