JP2016509126A - 新たな製品及びその使用 - Google Patents
新たな製品及びその使用 Download PDFInfo
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- B22F9/00—Making metallic powder or suspensions thereof
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- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
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- B23K35/3053—Fe as the principal constituent
- B23K35/308—Fe as the principal constituent with Cr as next major constituent
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Abstract
Description
被覆技術、例えばレーザ・クラッディング若しくはPTA(プラズマ粉体肉盛溶接)
溶射方法、例えばHVOF(高速酸素燃料溶射)、HVAF(高速アセチレン燃料溶射)若しくはプラズマ溶射又は
スラリー方法、例えば、遠心成形。
プレアロイ粉末の製造
金属粉末を以下のように製造した。以下の組成;C0.05〜0.2%、Si2.2〜2.9%、B0.8〜1.3%、Cr2.8〜3.45%、Fe1.4〜2.3%、Al0.3〜0.5%、MnS4〜15%、残部Niを有する金属粉末を、上記成分量の元素を含有する溶融物をアトマイズすることにより製造した。製造した粉末は、合金マトリックスに介在物としてMnSを含有する。この粉末は、以後「粉末A」という。
以下の組成、すなわちC0.05〜0.2%、Si2.2〜2.9%、B0.8〜1.3%、Cr2.8〜3.45%、Fe1.4〜2.3%、Al0.3〜0.5%を有するプレアロイ金属粉末を、一般的な粉末混合器中で5重量%のMnS粉末と混合することにより、プレミックス粉末の製造を行った。この粉末は、本明細書では「粉末B」という。
PTAを使用した被覆による粉末の付着
プレアロイ粉末又はプレミックス粉末を、以下のように試料に付着させた。
粉末AをPTA(プラズマ粉体肉盛溶接)によりS235JRG(基本的な構造用鋼)基板に、5〜15%希釈させるパラメータで被着させた。
粉末Bを、基板に融合させる前に、基板上に手で撒布した。
本発明による粉末も、レーザ・クラッディングにより基板に付着させた。粉末A及び粉末Bからの固体潤滑剤(MnS)の介在物が、被覆内に存在した。粉末A被覆は、MnS介在物の大きさが粉末Bのものよりも細かくなるようである。
摩耗試験
摩耗試験が実施された。この摩耗試験は、金属表面被覆層又はクラッドにおける粉末Aの有益な効果を示している。試験片は、硬化処理された長方形ブロックであり、基体金属は、一般的に使用される低炭素の構造用鋼(EN S235 JRG、ASTM A570 Gr.36)であり、表面層は、測定終了時に少なくとも1mm厚であった。試験表面は、研磨仕上げが施され、表面粗さはRa0.3〜0.4μmであり、平面研磨研削によっても調製した。φ60/CR100x17リングの相手材は、AISI316L(EN X2CrNiMo17 12 2)又はAISI304L(EN X2CrNi19−9)ステンレス鋼製である。摩擦試験は無潤滑、すなわち乾燥であり、試験試料を慎重に清掃し、試験前にエタノールにより脱脂した。摩耗試験は、規格ASTMG77に記載されている試験に類似していた。ヘルツ接触の最大圧力は180MPaであり、角速度は0.36m/秒であり、全体の摺動距離は594mであった。
シート上摺動体摩耗試験
シート上摺動体摩耗試験が実施された。この摩耗試験は、金属表面被覆層又はクラッドにおける粉末Aの有益な効果を示している。試験片は、円筒形のリングφ50/CR5m×10mmであり、基体金属は、一般的に使用される低炭素の構造用鋼(EN S235 JRG、ASTM A570 Gr.36)であり、表面層は、測定終了時に少なくとも0.5mm厚であった。試験表面に研磨仕上げを施し、表面粗さはRa0.3〜0.4μmであり、OD研磨によっても調製した。相手材シート1000×1000×1.5mmは、AISI316L(EN X2CrNiMo17 12 2)ステンレス鋼製であった。摩擦試験は、無潤滑、すなわち乾燥であり、試験試料を慎重に清掃し、次いで試験前にエタノールにより脱脂した。通常の荷重は10Nであり、スライド速度は0.36m/秒であり、全体の摺動距離は3mであった。結果を図4に示す。
腐食試験
ISO16701に従った塩水噴霧腐食試験を実施した。12日後、15日後、30日後及び39日後の各間隔で部品を接写した。続いて、SEM(走査型電子顕微鏡)観察を行った。粉末Bの被覆層は、39日後に50μmの錆の起伏を多数呈した。錆の始まりを12日目の中断時に判別した。粉末Aの被覆層では、類似した種類の錆が得られたが、錆の起伏の数はかなり少なく、これらの大きさはより小さかった。結果の定量は、画像分析ソフトウェア、例えばAdobe Photoshopを使用したSEM−顕微鏡写真のピクセル化により行うことができる。
Claims (8)
- 水アトマイズ又はガスアトマイズされた金属粉末であっって、
C 0.05〜0.2%、
Si 2.2〜2.9、
B 0.8〜1.3、
Cr 2.8〜3.45、
Fe 1.4〜2.3、
Al 0.3〜0.5、
MnS介在物 4〜15%、
残部であるNi
を含有するか、又はそれらからなり、
前記金属粉末が熱表面処理に適している、金属粉末。 - 水アトマイズ又はガスアトマイズされた金属粉末であっって、
C 0.05〜0.2%、
Si 2.2〜2.9、
B 0.8〜1.3、
Cr 2.8〜3.45、
Fe 1.4〜2.3、
Al 0.3〜0.5、
MnSの介在物 4〜15%、
残部であるCo
を含有するか、又はそれらからなり、
前記金属粉末が熱表面処理げに適している、金属粉末。 - 水アトマイズ又はガスアトマイズされた金属粉末であっって、
1.2%C 1.2%、
Cr 25%、
Mn 4.5%、
Ni 4%、
Si 3.3%、
Mo 2%、
MnS介在物 4〜15%、
残部であるFeである
を含有するか、又はそれらからなり、
前記金属粉末が熱表面処理に適している、金属粉末。 - MnS量が4〜8重量%、又は5〜7重量%である、請求項1から請求項3までのいずれか1項に記載された金属粉末。
- プレアロイ粉末合金の粒径が45μm〜200mm、又は50〜150μmである、請求項1から請求項4までのいずれか1項に記載された金属粉末。
- 金属部品の表面被覆を行う方法であって、請求項1から請求項5までのいずれか1項に記載された金属粉末を用いて、レーザ・クラッディング又はPTA(プラズマ粉体肉盛溶接)により金属被覆部品を製造する、方法。
- 請求項6に記載された方法により製造される金属被覆部品。
- 工業用バルブ、シート・メタル成形(SMF)工具、製鉄所の運搬ローラー、ペーパー・ナイフ及びガラス金型からなる群から選択される、請求項7に記載された金属被覆部品。
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PCT/EP2013/076326 WO2014090922A2 (en) | 2012-12-14 | 2013-12-12 | New product and use thereof |
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EP (2) | EP2743361A1 (ja) |
JP (1) | JP2016509126A (ja) |
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CN (1) | CN104838024B (ja) |
BR (1) | BR112015013100A2 (ja) |
CA (1) | CA2894611A1 (ja) |
RU (1) | RU2015128298A (ja) |
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WO (1) | WO2014090922A2 (ja) |
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JP2020530877A (ja) * | 2017-06-21 | 2020-10-29 | ヘガネス アクチボラゲット | 高硬度および耐食性を有する被覆の基材上への形成に適した鉄基合金、高硬度および耐食性を有する被覆を施された物品、並びにその製造方法 |
JP2020530876A (ja) * | 2017-06-21 | 2020-10-29 | ヘガネス アクチボラゲット | 高硬度および耐摩耗性を有する被覆の基材上への形成に適した鉄基合金、高硬度および耐摩耗性を有する被覆を施された物品、並びにその製造方法 |
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JP2020530876A (ja) * | 2017-06-21 | 2020-10-29 | ヘガネス アクチボラゲット | 高硬度および耐摩耗性を有する被覆の基材上への形成に適した鉄基合金、高硬度および耐摩耗性を有する被覆を施された物品、並びにその製造方法 |
US11326239B2 (en) | 2017-06-21 | 2022-05-10 | Höganäs Germany GmbH | Iron based alloy suitable for providing a hard and corrosion resistant coating on a substrate, article having a hard and corrosion resistant coating, and method for its manufacture |
US11359268B2 (en) | 2017-06-21 | 2022-06-14 | Höganäs Germany GmbH | Iron based alloy suitable for providing a hard and wear resistant coating on a substrate, article having a hard and wear resistant coating, and method for its manufacture |
JP7155171B2 (ja) | 2017-06-21 | 2022-10-18 | ヘガネス アクチボラゲット | 高硬度および耐摩耗性を有する被覆の基材上への形成に適した鉄基合金、高硬度および耐摩耗性を有する被覆を施された物品、並びにその製造方法 |
JP2020066778A (ja) * | 2018-10-25 | 2020-04-30 | 株式会社神戸製鋼所 | 汚染水処理用鉄粉及び汚染水処理用鉄粉製造方法 |
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CN112469518A (zh) * | 2018-10-25 | 2021-03-09 | 株式会社神户制钢所 | 污染水处理用铁粉和污染水处理用铁粉制造方法 |
KR20210046719A (ko) * | 2018-10-25 | 2021-04-28 | 가부시키가이샤 고베 세이코쇼 | 오염수 처리용 철분말 및 오염수 처리용 철분말 제조 방법 |
KR102414870B1 (ko) | 2018-10-25 | 2022-06-29 | 가부시키가이샤 고베 세이코쇼 | 오염수 처리용 철분말 및 오염수 처리용 철분말 제조 방법 |
CN112469518B (zh) * | 2018-10-25 | 2023-02-17 | 株式会社神户制钢所 | 污染水处理用铁粉和污染水处理用铁粉制造方法 |
JP7523461B2 (ja) | 2019-03-28 | 2024-07-26 | エリコン メテコ(ユーエス)インコーポレイテッド | エンジンシリンダボアのコーティングのための溶射用鉄系合金 |
Also Published As
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US20180223396A1 (en) | 2018-08-09 |
CA2894611A1 (en) | 2014-06-19 |
KR20150094724A (ko) | 2015-08-19 |
TW201428109A (zh) | 2014-07-16 |
CN104838024B (zh) | 2017-08-04 |
RU2015128298A (ru) | 2017-01-18 |
US20150307968A1 (en) | 2015-10-29 |
WO2014090922A2 (en) | 2014-06-19 |
TWI609974B (zh) | 2018-01-01 |
EP2743361A1 (en) | 2014-06-18 |
EP2931931A2 (en) | 2015-10-21 |
CN104838024A (zh) | 2015-08-12 |
WO2014090922A3 (en) | 2014-08-07 |
US10513758B2 (en) | 2019-12-24 |
BR112015013100A2 (pt) | 2017-07-11 |
US9957590B2 (en) | 2018-05-01 |
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