JPH04269534A - Preparation of abrasion-resistant part - Google Patents
Preparation of abrasion-resistant partInfo
- Publication number
- JPH04269534A JPH04269534A JP5333591A JP5333591A JPH04269534A JP H04269534 A JPH04269534 A JP H04269534A JP 5333591 A JP5333591 A JP 5333591A JP 5333591 A JP5333591 A JP 5333591A JP H04269534 A JPH04269534 A JP H04269534A
- Authority
- JP
- Japan
- Prior art keywords
- tungsten
- iron
- alloy film
- iron alloy
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005299 abrasion Methods 0.000 title abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910000640 Fe alloy Inorganic materials 0.000 claims abstract description 17
- AHIVCQLQCIBVOS-UHFFFAOYSA-N [Fe].[W] Chemical compound [Fe].[W] AHIVCQLQCIBVOS-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 239000007769 metal material Substances 0.000 claims abstract description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 9
- 239000010937 tungsten Substances 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 5
- 238000009713 electroplating Methods 0.000 abstract description 4
- 150000003658 tungsten compounds Chemical class 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 2
- 239000011261 inert gas Substances 0.000 abstract description 2
- 229910000765 intermetallic Inorganic materials 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 238000007747 plating Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 239000011790 ferrous sulphate Substances 0.000 description 3
- 235000003891 ferrous sulphate Nutrition 0.000 description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 2
- 239000001509 sodium citrate Substances 0.000 description 2
- -1 steel Chemical compound 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、金型、各種カム類、圧
延ローラ、油圧シリンダ、ピストン、各種軸受等の耐摩
耗性部品の製造法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing wear-resistant parts such as molds, various cams, rolling rollers, hydraulic cylinders, pistons, and various bearings.
【０００２】0002
【従来の技術及び発明が解決しようとする課題】従来、
例えば金型、各種カム類、圧延ローラ、油圧シリンダ、
ピストン、各種軸受等の耐摩耗性部品は、鉄鋼により製
造し、これを焼入れ、焼戻しを行なって使用しているが
、焼入、焼戻しを施した際のビッカース硬度Ｈｖは通常
６００〜８００程度となる。また、これら耐摩耗性部品
は、表面に硬質クロムめっき皮膜を形成して用いる場合
もあるが、硬質クロムめっき皮膜のＨｖも９００程度で
ある。このため、より高硬度の表面を与える方法として
種々の表面処理法が提案されているが、更に高硬度表面
を有し、優れた耐摩耗性を与える技術の開発が望まれる
。[Prior art and problems to be solved by the invention] Conventionally,
For example, molds, various cams, rolling rollers, hydraulic cylinders,
Wear-resistant parts such as pistons and various bearings are manufactured from steel, which is then quenched and tempered. However, when quenched and tempered, the Vickers hardness Hv is usually around 600 to 800. Become. Further, these wear-resistant parts may be used with a hard chromium plating film formed on the surface, but the Hv of the hard chrome plating film is also about 900. For this reason, various surface treatment methods have been proposed to provide a surface with higher hardness, but it is desired to develop a technology that provides a surface with even higher hardness and excellent wear resistance.
【０００３】本発明は上記事情に鑑みなされたもので、
高硬度で優れた耐摩耗性を有し、このため金型、各種カ
ム類、圧延ローラ、油圧シリンダ、ピストン、各種軸受
等に好適に使用される耐摩耗性部品の製造法を提供する
ことを目的とする。[0003] The present invention was made in view of the above circumstances.
We aim to provide a method for manufacturing wear-resistant parts that have high hardness and excellent wear resistance and are therefore suitable for use in molds, various cams, rolling rollers, hydraulic cylinders, pistons, various bearings, etc. purpose.
【０００４】0004
【課題を解決するための手段及び作用】本発明者らは上
記目的を達成するため鋭意検討を重ねた結果、金属素材
、例えばスチール等の上に水溶性タングステン化合物及
び水溶性第１鉄塩を溶解した水性電気めっき液を用いて
タングステン３５〜６０％（重量％、以下同じ）及び鉄
６５〜４０％のタングステン−鉄合金皮膜を形成し、次
いで２００〜１０００℃で熱処理した場合、熱処理する
前のビッカース硬度Ｈｖが５００〜１０００であるのに
対し、Ｈｖ１０００〜２０００と高硬度になり、優れた
耐摩耗性を発揮することを知見し、本発明をなすに至っ
たものである。[Means and effects for solving the problems] As a result of intensive studies to achieve the above object, the present inventors have found that a water-soluble tungsten compound and a water-soluble ferrous salt are applied to a metal material such as steel. When a tungsten-iron alloy film containing 35 to 60% tungsten (wt%, same hereinafter) and 65 to 40% iron is formed using a dissolved aqueous electroplating solution and then heat treated at 200 to 1000°C, before heat treatment While the Vickers hardness Hv of 500-1000 is high, the hardness is as high as 1000-2000 Hv, and the present invention was made based on this finding.
【０００５】従って、本発明は、金属素材上にタングス
テン３５〜６０％及び鉄６５〜４０％のタングステン−
鉄合金皮膜を形成した後、２００〜１０００℃で熱処理
することを特徴とする耐摩耗性部品の製造法を提供する
。[0005] Therefore, the present invention provides a tungsten material containing 35 to 60% tungsten and 65 to 40% iron on a metal material.
Provided is a method for manufacturing wear-resistant parts, which comprises forming an iron alloy film and then heat-treating the film at 200 to 1000°C.
【０００６】以下、本発明につき更に詳述すると、本発
明の耐摩耗性部品の製造法は、まず金属素材上にタング
ステン−鉄合金皮膜を形成する。The present invention will be described in more detail below. In the method for manufacturing wear-resistant parts of the present invention, a tungsten-iron alloy film is first formed on a metal material.
【０００７】ここで、金属素材としては、特に制限され
ないが、例示するとスチール、鋳鉄、ステンレススチー
ル等の鉄及び鉄合金、ニッケル、ニッケル合金、銅、銅
合金などが挙げられる。Here, the metal material is not particularly limited, but examples include iron and iron alloys such as steel, cast iron, and stainless steel, nickel, nickel alloys, copper, and copper alloys.
【０００８】また、この金属素材に形成するタングステ
ン−鉄合金皮膜は、タングステン量が３５〜６０％、よ
り好ましくは４５〜６０％、鉄量は６５〜４０％、より
好ましくは５５〜４０％である。タングステン量が３５
％より少ないと表面硬度が高くならないという問題が生
じる。[0008] Furthermore, the tungsten-iron alloy film formed on this metal material has a tungsten content of 35 to 60%, more preferably 45 to 60%, and an iron content of 65 to 40%, more preferably 55 to 40%. be. The amount of tungsten is 35
If the amount is less than %, there will be a problem that the surface hardness will not be high.
【０００９】上記タングステン−鉄合金皮膜の形成は電
気めっき法が好適に採用される。この場合、めっき浴と
しては、タングステン酸ナトリウム等の水溶性タングス
テン化合物をタングステンとして３０〜５５ｇ／ｌ、よ
り好ましくは３５〜５５ｇ／ｌ含有し、かつ硫酸第１鉄
等の水溶性第１鉄塩を鉄として７〜１ｇ／ｌ、より好ま
しくは４〜１ｇ／ｌ含有するめっき液が有効に使用され
る。なお、このめっき液には、通常、クエン酸ナトリウ
ム等の錯化剤が５０〜９０ｇ／ｌ、より好ましくは７０
〜９０ｇ／ｌ添加され、またｐＨが３〜９、より好まし
くは７〜９に調整される。[0009] Electroplating is preferably used to form the tungsten-iron alloy film. In this case, the plating bath contains a water-soluble tungsten compound such as sodium tungstate from 30 to 55 g/l, more preferably from 35 to 55 g/l as tungsten, and a water-soluble ferrous salt such as ferrous sulfate. A plating solution containing 7 to 1 g/l, more preferably 4 to 1 g/l of iron, is effectively used. Note that this plating solution usually contains 50 to 90 g/l of a complexing agent such as sodium citrate, more preferably 70 g/l.
~90 g/l is added, and the pH is adjusted to 3-9, more preferably 7-9.
【００１０】上記電気めっき浴を用いてめっきを行なう
条件は、温度３０〜８５℃、特に６０〜８０℃、陰極電
流密度（ＤＫ）１〜１５Ａ／ｄｍ２、特に２〜１０Ａ／
ｄｍ２とすることが好ましい。撹拌は必要により行なう
ことができる。[0010] The conditions for performing plating using the above electroplating bath are a temperature of 30 to 85°C, particularly 60 to 80°C, and a cathode current density (DK) of 1 to 15 A/dm2, particularly 2 to 10 A/dm2.
It is preferable to set it as dm2. Stirring can be performed if necessary.
【００１１】タングステン−鉄合金皮膜の厚さは、適宜
選定されるが、通常１〜５００μｍ、特に１〜１００μ
ｍである。The thickness of the tungsten-iron alloy film is selected as appropriate, but is usually 1 to 500 μm, particularly 1 to 100 μm.
It is m.
【００１２】本発明は、以上のようにして金属素材上に
タングステン３５〜６０％、鉄６５〜４５％のタングス
テン−鉄合金皮膜を形成した後、熱処理を行なう。この
場合、熱処理温度は２００〜１０００℃、特に２５０〜
１０００℃で行なうことが好ましく、熱処理時間は０．
１〜２時間とすることが好ましい。熱処理の雰囲気とし
ては、大気中でもよいが、好ましくは窒素などの不活性
ガス雰囲気や還元ガス雰囲気とする。また、真空中でも
よい。In the present invention, after forming a tungsten-iron alloy film containing 35 to 60% tungsten and 65 to 45% iron on a metal material as described above, heat treatment is performed. In this case, the heat treatment temperature is 200-1000℃, especially 250-1000℃.
It is preferable to carry out the heat treatment at 1000°C, and the heat treatment time is 0.
It is preferable to set it as 1 to 2 hours. The atmosphere for the heat treatment may be air, but preferably an inert gas atmosphere such as nitrogen or a reducing gas atmosphere. It may also be carried out in a vacuum.
【００１３】熱処理によりタングステン−鉄合金皮膜に
対しタングステン−鉄金属間化合物を形成させ、Ｈｖを
１０００〜２０００、特に１５００〜２０００とするこ
とが好適である。[0013] It is preferable to form a tungsten-iron intermetallic compound on the tungsten-iron alloy film by heat treatment, and to adjust the Hv to 1000 to 2000, particularly 1500 to 2000.
【００１４】本発明の耐摩耗性部品は、具体的に金型、
各種カム類、圧延ローラ、油圧シリンダ、ピストン、各
種軸受類等に使用することができる。[0014] Specifically, the wear-resistant parts of the present invention include molds,
It can be used for various cams, rolling rollers, hydraulic cylinders, pistons, various bearings, etc.
【００１５】[0015]
【実施例】以下、実施例により本発明を具体的に説明す
るが、本発明は下記の実施例に制限されるものではない
。[Examples] The present invention will be specifically explained below with reference to Examples, but the present invention is not limited to the following Examples.
【００１６】〔実施例〕スチール（ＳＫ３）に下記組成
のめっき液を使用して下記条件でめっきを行ない、タン
グステン−鉄合金皮膜を形成した。
（めっき液組成・めっき条件・皮膜特性）タングステン
酸ナトリウム ８０ｇ／ｌ硫酸第１
鉄
７ｇ／ｌクエン酸ナトリウム
７６ｇ／ｌｐＨ
８．５温度
８０℃撹拌
空 気陰極電流密度
７
Ａ／ｄｍ２めっき時間
１２０分皮膜厚さ
７．５μｍ皮膜
組成
Ｗ：５６．２重量％
Ｆｅ：４３．８重
量％次に、上記タングステン−鉄合金皮膜を窒素ガス中
の雰囲気で２００〜１０００℃で２時間熱処理を施した
後、そのビッカース硬度を測定した。[Example] Steel (SK3) was plated using a plating solution having the following composition under the following conditions to form a tungsten-iron alloy film. (Plating solution composition, plating conditions, film characteristics) Sodium tungstate 80g/l sulfuric acid 1st
iron
7g/l sodium citrate
76g/lpH
8.5 temperature
Stirring at 80℃
Air Cathode current density 7
A/dm2 plating time
120 minutes film thickness
7.5μm film composition
W: 56.2% by weight
Fe: 43.8% by weight Next, the tungsten-iron alloy film was heat-treated at 200 to 1000°C for 2 hours in a nitrogen gas atmosphere, and its Vickers hardness was measured.
【００１７】また、上記めっき浴において、タングステ
ン酸ナトリウムを７２ｇ／ｌ、硫酸第１鉄を１４ｇ／ｌ
とした浴、タングステン酸ナトリウムを６３ｇ／ｌ、硫
酸第１鉄を２１ｇ／ｌとした浴からも同様にしてタング
ステン−鉄合金皮膜を形成し、同様に熱処理を行なって
硬度を測定した。この場合、上記のタングステン酸ナト
リウムを７２ｇ／ｌとした浴からはＷ５３．１重量％、
Ｆｅ４６．９重量％の皮膜が得られ、タングステン酸ナ
トリウムを６３ｇ／ｌとした浴からはＷ４９．６重量％
、Ｆｅ５０．４重量％の皮膜が得られた。[0017] In addition, in the above plating bath, sodium tungstate was added at 72 g/l and ferrous sulfate was added at 14 g/l.
A tungsten-iron alloy film was formed in the same manner from a bath containing 63 g/l of sodium tungstate and 21 g/l of ferrous sulfate, heat-treated in the same manner, and the hardness was measured. In this case, from the above bath containing 72 g/l of sodium tungstate, W53.1% by weight,
A film containing 46.9% by weight of Fe was obtained, and 49.6% by weight of W from the bath containing 63g/l of sodium tungstate.
, a film containing 50.4% by weight of Fe was obtained.
【００１８】硬度の測定結果を図１に示す。The hardness measurement results are shown in FIG.
【００１９】[0019]
【発明の効果】本発明に係る耐摩耗性部品の製造法によ
れば、高硬度で優れた耐摩耗性を有する部品を簡単かつ
確実に、しかも安価に製造でき、また特にスチールに対
する耐摩耗性皮膜の密着性が良好なものである。[Effects of the Invention] According to the method for manufacturing wear-resistant parts according to the present invention, parts having high hardness and excellent wear resistance can be manufactured simply, reliably, and at low cost, and the wear resistance is particularly good for steel. The film has good adhesion.
【図１】タングステン−鉄合金めっき皮膜を種々の温度
で熱処理した場合のビッカース硬度を示すグラフである
。FIG. 1 is a graph showing the Vickers hardness of tungsten-iron alloy plating films heat-treated at various temperatures.
Claims (1)
重量％及び鉄６５〜４０重量％のタングステン−鉄合金
皮膜を形成し、次いで２００〜１０００℃で熱処理する
ことを特徴とする耐摩耗性部品の製造法。[Claim 1] Tungsten 35-60 on metal material
1. A method for producing wear-resistant parts, comprising forming a tungsten-iron alloy film containing 65 to 40 weight % of iron and then heat-treating at 200 to 1000°C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3053335A JP3051860B2 (en) | 1991-02-25 | 1991-02-25 | Manufacturing method of wear-resistant parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3053335A JP3051860B2 (en) | 1991-02-25 | 1991-02-25 | Manufacturing method of wear-resistant parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04269534A true JPH04269534A (en) | 1992-09-25 |
| JP3051860B2 JP3051860B2 (en) | 2000-06-12 |
Family
ID=12939876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3053335A Expired - Fee Related JP3051860B2 (en) | 1991-02-25 | 1991-02-25 | Manufacturing method of wear-resistant parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3051860B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006082999A1 (en) * | 2005-02-02 | 2006-08-10 | Nomura Plating Co., Ltd. | Product having improved zinc erosion resistance |
| WO2012053283A1 (en) * | 2010-10-20 | 2012-04-26 | ユケン工業株式会社 | Electroplating bath, method for forming electroplating coating, and electroplated product |
| JP2013144852A (en) * | 2013-03-18 | 2013-07-25 | Yuken Industry Co Ltd | Electroplating bath, method for forming electroplated coating, and electroplated product |
-
1991
- 1991-02-25 JP JP3053335A patent/JP3051860B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006082999A1 (en) * | 2005-02-02 | 2006-08-10 | Nomura Plating Co., Ltd. | Product having improved zinc erosion resistance |
| US7896061B2 (en) | 2005-02-02 | 2011-03-01 | Nomura Plating Co., Ltd. | Product having improved zinc erosion resistance |
| WO2012053283A1 (en) * | 2010-10-20 | 2012-04-26 | ユケン工業株式会社 | Electroplating bath, method for forming electroplating coating, and electroplated product |
| JP2012087380A (en) * | 2010-10-20 | 2012-05-10 | Yuken Industry Co Ltd | Electroplating bath, method for forming electroplating coating, and electroplated product |
| JP2013144852A (en) * | 2013-03-18 | 2013-07-25 | Yuken Industry Co Ltd | Electroplating bath, method for forming electroplated coating, and electroplated product |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3051860B2 (en) | 2000-06-12 |
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