WO2009128174A1 - 鉄基耐熱耐食ろう材 - Google Patents
鉄基耐熱耐食ろう材 Download PDFInfo
- Publication number
- WO2009128174A1 WO2009128174A1 PCT/JP2008/065373 JP2008065373W WO2009128174A1 WO 2009128174 A1 WO2009128174 A1 WO 2009128174A1 JP 2008065373 W JP2008065373 W JP 2008065373W WO 2009128174 A1 WO2009128174 A1 WO 2009128174A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- corrosion
- brazing
- weight
- iron
- resistant
- Prior art date
Links
Classifications
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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
- 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
-
- 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
- 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
-
- 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
- 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
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
- B23K35/025—Pastes, creams, slurries
-
- 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
- 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
- B23K35/3066—Fe as the principal constituent with Ni as next major constituent
-
- 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
- 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
- B23K35/308—Fe as the principal constituent with Cr as next major constituent
-
- 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
- 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
- B23K35/308—Fe as the principal constituent with Cr as next major constituent
- B23K35/3086—Fe as the principal constituent with Cr as next major constituent containing Ni or Mn
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
- C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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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
- F28F21/089—Coatings, claddings or bonding layers made from metals or metal alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
Definitions
- Ni brazing filler metal has increased due to the recent rise in Ni and Cr bullion, and in particular, a low cost brazing filler metal with a reduced amount of Ni is desired.
- the iron-based brazing material for heat exchangers based on low cost Fe the following Patent Document 3 and Patent Document 4 are disclosed, but in the composition shown in the example of Patent Document 3, the melting temperature is Some were impractical, such as high and low strength.
- Patent Document 4 it cannot be verified, but when brazed to a ferritic stainless steel base material because Cr is contained in an amount of 20% by weight or more, the base material structure (crystal grains) becomes coarse, and the strength of the brazed part Was predicted to decrease.
- brazing test About the alloy of an Example and a comparative example, about 0.1-g sample was extract
- a brazing filler metal sample was placed on a SUS430 stainless steel substrate, and heated and brazed in a vacuum of 10 ⁇ 3 Pa at 1120 ° C. for 30 minutes. After brazing, measure the area where the brazing filler metal melted and spread (brazing spread coefficient: spread area after brazing / installation area before brazing), an indicator of wet spreadability of the brazing alloy to the SUS430 stainless steel substrate It was.
- the wetting and spreading properties of the brazing alloy were evaluated according to the criteria shown below. “Good”: Brazing spread coefficient of 10 or more Further, regarding the test piece after brazing, the cross-sectional structure of the base material was observed to examine whether the structure (crystal grains) was coarse.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuel Cell (AREA)
- Laminated Bodies (AREA)
- Arc Welding In General (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Ceramic Products (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
Description
(1)液相線温度が1100℃以下であるため、実用的な温度(1120℃以下)でろう付できる。
(2)固相線温度が1000℃以上であるため、耐熱性が良好である。
(3)ろう材合金自身の強度が高い。
(4)各種のステンレス鋼に対する濡れ拡がり性が良好である。
(5)硫酸、硝酸中での耐食性に優れている。
(6)フェライト系ステンレス鋼に対してもろう付後の基材組織(結晶粒)は粗大化せず、高い強度が得られる。
Moは主にPやSiと化合物を形成し、耐食性をさらに向上させると共に強度を向上させるが、5重量%を超えると合金の溶融温度のバランスが崩れ、液相線温度が目標温度以上に上昇する場合がある。以上の理由からMoは5重量%以下と限定したが、好ましくは0.5~5重量%である。
本発明の実施例及び比較例[1](本発明の範囲外)の合金組成及び各特性試験の結果を表1に、比較例[2](引例特許実施例)の合金組成及び各特性試験の結果を表2に示す。なお、各特性試験方法は以下の通りである。
実施例及び比較例の合金を電気炉内、アルゴンガス雰囲気中で溶解し、熱分析法により溶融温度を測定した。即ち、溶湯中央部に装入した熱電対に連結する記録計に熱分析曲線を描かせ、その冷却曲線から液相線及び固相線の各温度を読み取った。
実施例及び比較例の合金を電気炉内、アルゴンガス雰囲気中で溶解し、その溶湯を内径5mmφの石英管内に吸い上げ、凝固させ、それを35mmの長さに切断し、試験片とした。次に、抗折力試験冶具(三点支持、支点間距離:25.4mm)に試験片を設置し、万能試験機により荷重をかけ、破断した時の荷重から抗折力(N/mm2)を算出し、ろう材合金の強度の指標とした。
実施例及び比較例の合金について、上記2)の試験片を利用して約0.1gの試料を採取し、ろう材試料とした。次に、SUS430ステンレス鋼基材上にろう材試料を載せて、1120℃で30分間、10-3Paの真空中で加熱、ろう付を行った。ろう付後、ろう材が溶けて拡がった面積を計測し(ろう拡がり係数:ろう付後の拡がり面積/ろう付前の設置面積)、ろう材合金のSUS430ステンレス鋼基材に対する濡れ拡がり性の指標とした。下記に示す基準でろう材合金の濡れ拡がり性を評価した。
「良好」:ろう拡がり係数が10以上
また、上記ろう付後の試験片について、基材の断面組織を観察し、組織(結晶粒)粗大化の有無を調査した。
実施例及び比較例合金を上記試験と同様に溶解し、その溶湯をシェル鋳型内に鋳造して10×10×20mmの鋳造片を得、表面を研削・研摩し、試験片とした。次に300ccビーカー内に30%硫酸水溶液を用意し、その中に試験片を入れ、全浸漬法で腐食試験を行った。なお、試験温度は60℃、試験時間は6時間とした。試験前後の重量及び表面積から腐食減量(mg/m2・s)を算出し、ろう材合金の硫酸中での耐食性の指標とした。
同時に、SUS304ステンレス鋼の腐食減量を求め、下記に示す基準でろう材合金の耐食性を評価した。
「◎」:腐食減量がSUS304の1000分の1未満
「○」:腐食減量がSUS304の1000分の1以上100分の1未満
「△」:腐食減量がSUS304の100分の1以上10分の1未満
「×」:腐食減量がSUS304の10分の1以上
Claims (5)
- Feが30~75重量%、Niが35重量%以下、Crが5~20重量%でNi+Crの合計が15~50重量%、Siが7重量%以下、Pが4~10重量%でSi+Pの合計が9~13重量%含有されていることを特徴とする鉄基耐熱耐食ろう材。
- 更にMoを0.5~5重量%含有することを特徴とする請求項1に記載の鉄基耐熱耐食ろう材。
- 更にCuを0.3~5重量%含有することを特徴とする請求項1又は2に記載の鉄基耐熱耐食ろう材。
- 前記Mo+Cuの合計が1~7重量%であることを特徴とする請求項3に記載の鉄基耐熱耐食ろう材。
- 前記鉄基耐熱耐食ろう材において、ろう材としての特性に影響を及ぼさないその他の成分として、Mn、W、Co、Nb、V及びTaから選ばれた1種あるいは2種以上の合計が0.01~5重量%及び/又は、Al、Ca、Ti、Zr、Hfの少なくとも1種が0.001~1重量%及び/又は、C、Bの少なくとも1種が0.001~0.2重量%の量にて含有されていることを特徴とする請求項1~4のいずれか1項に記載の鉄基耐熱耐食ろう材。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08873900.8A EP2272619B9 (en) | 2008-04-18 | 2008-08-28 | Iron-base heat- and corrosion-resistant brazing filler metals |
ES08873900T ES2423307T3 (es) | 2008-04-18 | 2008-08-28 | Metales de relleno para soldadura fuerte basados en hierro resistentes al calor y a la corrosión |
JP2010508083A JP5269888B2 (ja) | 2008-04-18 | 2008-08-28 | 鉄基耐熱耐食ろう材 |
CN2008801286136A CN102006968B (zh) | 2008-04-18 | 2008-08-28 | 铁基耐热耐腐蚀钎料 |
US12/934,219 US20110020166A1 (en) | 2008-04-18 | 2008-08-28 | Iron-base heat- and corrosion-resistant brazing material |
KR1020107023121A KR101301067B1 (ko) | 2008-04-18 | 2008-08-28 | 철-베이스 내열 내식 브레이징 재료 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-108683 | 2008-04-18 | ||
JP2008108683 | 2008-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009128174A1 true WO2009128174A1 (ja) | 2009-10-22 |
Family
ID=41198886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/065373 WO2009128174A1 (ja) | 2008-04-18 | 2008-08-28 | 鉄基耐熱耐食ろう材 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110020166A1 (ja) |
EP (1) | EP2272619B9 (ja) |
JP (1) | JP5269888B2 (ja) |
KR (1) | KR101301067B1 (ja) |
CN (1) | CN102006968B (ja) |
ES (1) | ES2423307T3 (ja) |
WO (1) | WO2009128174A1 (ja) |
Cited By (6)
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WO2011065486A1 (ja) * | 2009-11-26 | 2011-06-03 | 山陽特殊製鋼株式会社 | Ni-Fe基合金ろう材 |
CN102947047A (zh) * | 2010-06-07 | 2013-02-27 | 新日铁住金株式会社 | 奥氏体系耐热钢用焊接材料及使用该焊接材料而成的焊接金属和焊接接头 |
WO2013077113A1 (ja) * | 2011-11-24 | 2013-05-30 | 福田金属箔粉工業株式会社 | 濡れ広がり性と耐食性に優れたNi-Cr系ろう材 |
JP2014151368A (ja) * | 2013-02-12 | 2014-08-25 | General Electric Co <Ge> | 磁性ニッケル基三元ろう付け材料及びその施工方法 |
JP2017515679A (ja) * | 2014-03-18 | 2017-06-15 | メトグラス、インコーポレイテッド | ニッケル−鉄−リン鑞合金 |
WO2018198906A1 (ja) | 2017-04-25 | 2018-11-01 | 山陽特殊製鋼株式会社 | 微量のVを含有するNi-Cr基合金ろう材 |
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EP2574420B1 (en) | 2011-09-29 | 2014-10-22 | Alfa Laval Corporate AB | Iron-based brazing composition and method of joining heat transfer plates |
JP5642295B2 (ja) * | 2011-11-28 | 2014-12-17 | 福田金属箔粉工業株式会社 | Ni−Fe−Cr系合金とそれを盛金したエンジンバルブ |
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- 2008-08-28 CN CN2008801286136A patent/CN102006968B/zh active Active
- 2008-08-28 US US12/934,219 patent/US20110020166A1/en not_active Abandoned
- 2008-08-28 ES ES08873900T patent/ES2423307T3/es active Active
- 2008-08-28 WO PCT/JP2008/065373 patent/WO2009128174A1/ja active Application Filing
- 2008-08-28 KR KR1020107023121A patent/KR101301067B1/ko active IP Right Grant
- 2008-08-28 EP EP08873900.8A patent/EP2272619B9/en active Active
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Cited By (13)
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EP2505298A4 (en) * | 2009-11-26 | 2017-04-19 | Sanyo Special Steel Co., Ltd. | Ni-fe-based alloy brazing filler material |
JP2011110575A (ja) * | 2009-11-26 | 2011-06-09 | Sanyo Special Steel Co Ltd | Ni−Fe基合金ろう材 |
CN102725097A (zh) * | 2009-11-26 | 2012-10-10 | 山阳特殊制钢株式会社 | Ni-Fe基合金钎料 |
US20120286025A1 (en) * | 2009-11-26 | 2012-11-15 | Tokyo Braze Co., Ltd. | Ni-Fe-BASED ALLOY BRAZING FILLER MATERIAL |
US8978959B2 (en) | 2009-11-26 | 2015-03-17 | Sanyo Special Steel Co., Ltd. | Ni—Fe-based alloy brazing filler material |
WO2011065486A1 (ja) * | 2009-11-26 | 2011-06-03 | 山陽特殊製鋼株式会社 | Ni-Fe基合金ろう材 |
CN102947047A (zh) * | 2010-06-07 | 2013-02-27 | 新日铁住金株式会社 | 奥氏体系耐热钢用焊接材料及使用该焊接材料而成的焊接金属和焊接接头 |
CN102947047B (zh) * | 2010-06-07 | 2015-06-03 | 新日铁住金株式会社 | 奥氏体系耐热钢用焊接材料及使用该焊接材料而成的焊接金属和焊接接头 |
WO2013077113A1 (ja) * | 2011-11-24 | 2013-05-30 | 福田金属箔粉工業株式会社 | 濡れ広がり性と耐食性に優れたNi-Cr系ろう材 |
JP2014151368A (ja) * | 2013-02-12 | 2014-08-25 | General Electric Co <Ge> | 磁性ニッケル基三元ろう付け材料及びその施工方法 |
JP2017515679A (ja) * | 2014-03-18 | 2017-06-15 | メトグラス、インコーポレイテッド | ニッケル−鉄−リン鑞合金 |
WO2018198906A1 (ja) | 2017-04-25 | 2018-11-01 | 山陽特殊製鋼株式会社 | 微量のVを含有するNi-Cr基合金ろう材 |
US11555227B2 (en) | 2017-04-25 | 2023-01-17 | Sanyo Special Steel Co., Ltd. | Ni—Cr based alloy brazing material containing trace amount of V |
Also Published As
Publication number | Publication date |
---|---|
EP2272619B1 (en) | 2013-06-26 |
ES2423307T3 (es) | 2013-09-19 |
EP2272619A1 (en) | 2011-01-12 |
JP5269888B2 (ja) | 2013-08-21 |
EP2272619A4 (en) | 2011-05-04 |
KR20100135817A (ko) | 2010-12-27 |
US20110020166A1 (en) | 2011-01-27 |
EP2272619B9 (en) | 2013-11-20 |
JPWO2009128174A1 (ja) | 2011-08-04 |
CN102006968A (zh) | 2011-04-06 |
ES2423307T9 (es) | 2013-12-16 |
KR101301067B1 (ko) | 2013-08-28 |
CN102006968B (zh) | 2013-02-13 |
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