JP4328715B2 - 溶射用Ni基自溶合金粉末およびその製造方法 - Google Patents
溶射用Ni基自溶合金粉末およびその製造方法 Download PDFInfo
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- JP4328715B2 JP4328715B2 JP2004357271A JP2004357271A JP4328715B2 JP 4328715 B2 JP4328715 B2 JP 4328715B2 JP 2004357271 A JP2004357271 A JP 2004357271A JP 2004357271 A JP2004357271 A JP 2004357271A JP 4328715 B2 JP4328715 B2 JP 4328715B2
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- 239000000956 alloy Substances 0.000 title claims description 70
- 239000000843 powder Substances 0.000 title claims description 68
- 229910045601 alloy Inorganic materials 0.000 title claims description 67
- 238000007751 thermal spraying Methods 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000002245 particle Substances 0.000 claims description 33
- 239000011651 chromium Substances 0.000 claims description 29
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims description 13
- 229910003470 tongbaite Inorganic materials 0.000 claims description 13
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 238000000889 atomisation Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 description 40
- 238000000576 coating method Methods 0.000 description 40
- 238000005507 spraying Methods 0.000 description 32
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 27
- 238000000034 method Methods 0.000 description 23
- 239000000203 mixture Substances 0.000 description 18
- 239000011195 cermet Substances 0.000 description 17
- 238000012360 testing method Methods 0.000 description 14
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 229910001120 nichrome Inorganic materials 0.000 description 8
- 230000035939 shock Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000011164 primary particle Substances 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000003628 erosive effect Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 150000001247 metal acetylides Chemical class 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000010289 gas flame spraying Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 229910018487 Ni—Cr Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 238000007750 plasma spraying Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910009043 WC-Co Inorganic materials 0.000 description 2
- LNSPFAOULBTYBI-UHFFFAOYSA-N [O].C#C Chemical group [O].C#C LNSPFAOULBTYBI-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000009692 water atomization Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- -1 C 2 or Cr 7 C 3 Chemical compound 0.000 description 1
- 229910017262 Mo—B Inorganic materials 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Powder Metallurgy (AREA)
- Coating By Spraying Or Casting (AREA)
Description
Cの含有量は、2.5質量%〜4.5質量%が好ましい。
Crの含有量は、30質量%〜42質量%が好ましい。
Siの含有量は、2.0質量%〜4.0質量%が好ましい。
Bの含有量は、1.5質量%〜4.0質量%が好ましい。
Moの含有量は、0.5質量%〜2.0質量%が好ましい。
Niは、本発明の耐熱・耐摩耗自溶合金材料のマトリックスを形成する元素である。
前記した組成の合金粉末の特性をより向上させるために、更にFeを添加することが可能である。Feを添加する場合には、Feの含有量は、5.0質量%以下となるようにすることが好ましい。
まず、表1に示した組成となるように配合した原料を、高周波誘導真空溶解炉を用いて溶解した。得られた約1650℃の溶湯を、水アトマイズ法によって合金粉末にした。得られた合金粉末を、熱風乾燥後、振動式分級機にて45μm〜106μmに分級し、溶射用Ni基自溶合金粉末を作製した。得られた合金粉末の化学組成および分級粒度範囲を、表1に示した。
表1に示したように構成元素および配合割合を変えた以外は、実施例1と同様にして、溶射用Ni基自溶合金粉末を得た。化学組成および分級粒度範囲を、表1に示した。
実施例1で得た溶射用Ni基自溶合金粉末を、篩い分けして20μm〜53μmの分級粒度範囲とした。
市販のJIS SFNi4種相当の溶射用自溶合金溶射用粉末を入手した。化学組成および分級粒度範囲を、表1に示した。
市販のJIS SFNi5種相当の溶射用自溶合金溶射用粉末を入手した。化学組成および分級粒度範囲を、表1に示した。
市販のSFWC2種相当の溶射用自溶合金溶射用粉末を入手した。化学組成および分級粒度範囲を、表1に示した。
市販のCr3C2−NiCrサーメット溶射用粉末を入手し、20μm〜53μmの粒度範囲で分級した。化学組成および分級粒度範囲を、表1に示した。
質量比にて、Si:4.5質量%、Cr:13.0質量%、Fe:4.0質量%、B:3.5質量%、Mo:2.0%、残部:Niとなるように配合した原料を使用し、実施例1と同様にして45μm〜106μmの粒度範囲の合金粉末を得た。得られた合金粉末60質量部と、市販のCr3C2−NiCrサーメット溶射用粉末を45μm〜106μmの粒度範囲で分級したもの40質量部とを、混合機に入れ、1時間、撹拌混合した。得られた粉末の化学組成および分級粒度範囲を、表1に示した。
Claims (3)
- 2.5質量%〜4.5質量%のCと、2.0質量%〜4.0質量%のSiと、30.0質量%〜42.0質量%のCrと、1.5質量%〜4.0質量%のBと、0.5質量%〜2.0質量%のMoとを含み、残部がNiおよび不可避的不純物であるNi基自溶合金粉末であって、アトマイズ法により作製され、該Ni基自溶合金粉末の粒子内部に、粒径5μm以下のクロムカーバイドが均一に析出させられていることを特徴とする溶射用Ni基自溶合金粉末。
- 5.0質量%以下のFeをさらに含む、請求項1に記載の溶射用Ni基自溶合金粉末。
- 5μm〜30μm、5μm〜38μm、5μm〜45μm、15μm〜45μm、20μm〜53μm、45μm〜106μmおよび45μm〜125μmのいずれかから選択される粒度範囲に整粒されていることを特徴とする請求項1または2に記載の溶射用Ni基自溶合金粉末。
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4652792B2 (ja) * | 2004-12-09 | 2011-03-16 | 住友金属鉱山株式会社 | 溶射用Co基自溶合金粉末 |
JP4653721B2 (ja) * | 2006-11-07 | 2011-03-16 | 住友金属鉱山株式会社 | 溶射用Ni基自溶合金粉末およびその製造方法と、該粉末を用いて得られる自溶合金溶射皮膜 |
US8088699B2 (en) * | 2008-02-13 | 2012-01-03 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | BSAS powder |
JP5875072B2 (ja) * | 2012-07-02 | 2016-03-02 | 関西電力株式会社 | 溶射材料焼結体及び溶射材料の製造方法 |
CN104389780A (zh) * | 2014-09-24 | 2015-03-04 | 西南铝业(集团)有限责任公司 | 一种高压泵、柱塞及柱塞表面强化处理工艺 |
JP6447491B2 (ja) * | 2015-12-25 | 2019-01-09 | 住友金属鉱山株式会社 | 竪型沈下式渦巻きポンプ、及び竪型沈下式渦巻きポンプの補修方法 |
JP6745735B2 (ja) | 2017-02-14 | 2020-08-26 | 荏原環境プラント株式会社 | Ni基溶射合金粉末及び合金皮膜製造方法 |
JP2019158166A (ja) * | 2018-03-07 | 2019-09-19 | Jfeエンジニアリング株式会社 | ボイラの放射伝熱面の防食方法及びボイラ |
JP7044328B2 (ja) | 2018-06-01 | 2022-03-30 | 株式会社荏原製作所 | Ni-Fe基合金粉末、及び当該Ni-Fe基合金粉末を用いる合金皮膜の製造方法 |
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