JPS6338582A - Surface treatment - Google Patents
Surface treatmentInfo
- Publication number
- JPS6338582A JPS6338582A JP18252786A JP18252786A JPS6338582A JP S6338582 A JPS6338582 A JP S6338582A JP 18252786 A JP18252786 A JP 18252786A JP 18252786 A JP18252786 A JP 18252786A JP S6338582 A JPS6338582 A JP S6338582A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- corrosion resistance
- surface treatment
- layer
- frictional characteristics
- 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.)
- Pending
Links
- 238000004381 surface treatment Methods 0.000 title claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 229910018507 Al—Ni Inorganic materials 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims abstract 2
- 238000002844 melting Methods 0.000 claims abstract 2
- 230000008018 melting Effects 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 abstract description 13
- 238000005260 corrosion Methods 0.000 abstract description 13
- 230000007797 corrosion Effects 0.000 abstract description 13
- 239000010410 layer Substances 0.000 abstract description 5
- 239000002344 surface layer Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- -1 N12Ala Inorganic materials 0.000 description 1
- 229910000943 NiAl Inorganic materials 0.000 description 1
- 229910000624 NiAl3 Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010407 anodic oxide Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明はＡｌおよびＡｌ合金の耐食性、摩擦特性などを
改善する表面処理法に関するものである。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a surface treatment method for improving the corrosion resistance, friction characteristics, etc. of Al and Al alloys.
ＡｌおよびＡｌ合金の耐食性、摩擦特性など分改善する
表面処理法としてこれまで陽極酸化被膜処理、リン酸塩
あるいはクローム酸塩被膜処理（化学処理）およびＺｎ
、Ｎｉ、Ｃｒなどのめっきが行な伊れてきた。然し乍ら
、これらのものは耐食性、摩擦特性が劣り、各種産業分
野、就中自動車工業界において更に優れた表面処理法が
渇望されている。Up to now, surface treatment methods for improving the corrosion resistance and frictional properties of Al and Al alloys include anodic oxide coating, phosphate or chromate coating (chemical treatment), and Zn.
, Ni, Cr, etc. plating has become available. However, these materials are inferior in corrosion resistance and frictional properties, and a more excellent surface treatment method is desired in various industrial fields, especially in the automobile industry.
Ｃ発明の目的〕
本発明は、上記の性能を一段と向上するためになされた
ものである。その特徴はＡｌおよびＡｌ合金にＮｉをめ
っき後、外部より急熱し、ＡｌおよびＡｌ合金の一部を
溶融することによってＡｌ −Ｎｉ合金層と形成するこ
とによって耐食性、摩擦特性などを改善したものである
。C.Object of the Invention The present invention has been made in order to further improve the above-mentioned performance. The feature is that after Ni is plated on Al and Al alloy, it is rapidly heated from the outside and a part of Al and Al alloy is melted to form an Al-Ni alloy layer, which improves corrosion resistance, friction characteristics, etc. be.
本発明はＡｌふ・よびＡｌ合金の塑性加工品、鋳造品な
どに適用されるもので、その特徴はＮｉをめっき後、急
熱し、ＡｌあるいはＡｌ合金の一部全溶融するとＡｌと
Ｎｉは激しく発熱反応し、約１９００°Ｃまで昇温し、
ＮｉＡｌ３、Ｎ１２Ａｌａ 、 ＮｉＡｌおよびＮ１ａ
Ａｌ化合物を容易につくる。これらの化合物は緻密で硬
く、素地に強固に拡散密着しているので、耐食性、摩擦
特性が優れている。耐食性は単にＮｉめっきしたものに
比べ上記化合物層に有するものは一段と優れているが、
Ｎｉめっき後、Ｃｒめっきをし、上記化合物を生成した
ものは数段その性能が溌ｎることも判明した。従って、
摩擺特性？要求される場合にはＮｉめっきのみ耐食性を
要求される場合にはＮｉめっき後、更にＣｒめっきを行
なうべきである。The present invention is applied to plastic-worked products, cast products, etc. made of Al foam and Al alloy.The feature is that after Ni is plated, when the aluminum or Al alloy is partially and completely melted, the Al and Ni are violently separated. An exothermic reaction occurs and the temperature rises to approximately 1900°C,
NiAl3, N12Ala, NiAl and N1a
Easily create Al compounds. These compounds are dense and hard, and firmly adhere to the substrate by diffusion, so they have excellent corrosion resistance and friction properties. The corrosion resistance of the above-mentioned compound layer is much better than that of the one simply plated with Ni, but
It has also been found that the performance of the above-mentioned compound produced by performing Cr plating after Ni plating is improved several times. Therefore,
Friction characteristics? If corrosion resistance is required, Cr plating should be performed only after Ni plating.
本発明の特徴は溶融ＡｌとＮｉが発熱化合物をつくる特
性を利用した新規な表面処理法である。The feature of the present invention is a novel surface treatment method that utilizes the property of molten Al and Ni to form an exothermic compound.
本発明の適用により、ＡｌおよびＡｌ合金の耐食性およ
び摩擦特性を著しく改善できることが判明した。It has been found that the corrosion resistance and friction properties of Al and Al alloys can be significantly improved by application of the present invention.
〔実施例Ｊ 次に本発明の実施例を比較例とともにあげる。[Example J Next, examples of the present invention will be given along with comparative examples.
１００ Ｘ １００ Ｘ ５ ｙｒｍ、１０φ×５５ｎ
のＡｌおよびＡｌ合金の板および丸棒にＮｉを３０μｆ
ｒＬ（耐食試験片はこの上にＣｒを更に１５μｍめっき
する）、これを０□−Ｃ２Ｈ２バーナーで急熱し、表層
部のＡｌおよびＡｌ合金全浴融し、ＡｌとＮｉの合金層
をつくり、耐食性および摩擦特性を調査した。100 x 100 x 5 yrm, 10φ x 55n
30 μf of Ni on Al and Al alloy plates and round bars.
rL (corrosion-resistant test piece is plated with 15 μm of Cr on top), and this is rapidly heated with a 0□-C2H2 burner to melt the surface layer of Al and the Al alloy in the entire bath, creating an alloy layer of Al and Ni, which improves corrosion resistance. and the friction properties were investigated.
耐食試験（塩水噴霧試験）
注−１） 試験片の寸法ｉ １１００Ｘ１００Ｘ５ｘ
注−２）塩水の濃度；５％
注−３）塩水の温度；３５℃
注−４） 噴霧時間；２４時間
Ａｌ、ＡＣ４ＤおよびＡＣ８Ａは塩水噴霧試験を行なう
と約１時間位から発請し、２４時間後では腐食が何れも
著しい。一方、本発明のものは何れも発錆が認められな
かった。Corrosion resistance test (salt spray test) Note-1) Dimensions of test piece i 1100X100X5x
Note-2) Concentration of salt water: 5% Note-3) Temperature of salt water: 35°C Note-4) Spraying time: 24 hours Al, AC4D and AC8A start from about 1 hour when conducting salt spray test. After 24 hours, the corrosion was significant. On the other hand, no rust was observed in any of the samples of the present invention.
摩擦特性試験（ファレノクス試験）
Ａｌ ｌ ｌ ＋□
Ａｕ１５Ａ Ｉ
８注−１） 試験片の寸法； ＩＯφＸ５５１１注−２
）相手材料；鋳鉄（ＦＣ２５）
Ａｌ、ＡＣ４ＤおよびＡＣ８Ａは各々低荷重で焼付き現
象が現われたが、本発明の処理２．を行なったものはす
べて１０倍以上の高荷重まで耐焼付性の向上することが
判明した。焼付き限界荷重の大きいものは摩擦特性が優
れていることは云うまでもない。Friction property test (Fallenox test) Al l l +□ Au15A I
8 Note-1) Dimensions of test piece; IOφX5511 Note-2
) Compatible material: Cast iron (FC25) Al, AC4D, and AC8A each exhibited a seizure phenomenon at low loads, but treatment 2. It was found that all of the products subjected to this process had improved seizure resistance up to 10 times or more higher loads. It goes without saying that a material with a large seizure limit load has excellent friction characteristics.
Claims (1)
溶融することによって、Ａｌ−Ｎｉ合金層をつくること
を特徴とする表面処理法。(1) A surface treatment method characterized by forming an Al-Ni alloy layer by coating Al and an Al alloy with Ni and then heating and melting the coated Ni.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18252786A JPS6338582A (en) | 1986-08-01 | 1986-08-01 | Surface treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18252786A JPS6338582A (en) | 1986-08-01 | 1986-08-01 | Surface treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6338582A true JPS6338582A (en) | 1988-02-19 |
Family
ID=16119866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18252786A Pending JPS6338582A (en) | 1986-08-01 | 1986-08-01 | Surface treatment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6338582A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61166982A (en) * | 1985-01-16 | 1986-07-28 | Toyota Motor Corp | Wear resistant al alloy member |
-
1986
- 1986-08-01 JP JP18252786A patent/JPS6338582A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61166982A (en) * | 1985-01-16 | 1986-07-28 | Toyota Motor Corp | Wear resistant al alloy member |
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