JPS62260049A - Method for plating zn-ni alloy - Google Patents
Method for plating zn-ni alloyInfo
- Publication number
- JPS62260049A JPS62260049A JP10218186A JP10218186A JPS62260049A JP S62260049 A JPS62260049 A JP S62260049A JP 10218186 A JP10218186 A JP 10218186A JP 10218186 A JP10218186 A JP 10218186A JP S62260049 A JPS62260049 A JP S62260049A
- Authority
- JP
- Japan
- Prior art keywords
- plating
- alloy
- atmosphere
- base material
- steel sheet
- 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
- 238000007747 plating Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 10
- 229910000990 Ni alloy Inorganic materials 0.000 title description 3
- 229910007567 Zn-Ni Inorganic materials 0.000 claims abstract description 13
- 229910007614 Zn—Ni Inorganic materials 0.000 claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 238000007740 vapor deposition Methods 0.000 claims 2
- 238000005260 corrosion Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 8
- 239000012298 atmosphere Substances 0.000 abstract description 6
- 229910052759 nickel Inorganic materials 0.000 abstract description 6
- 229910052725 zinc Inorganic materials 0.000 abstract description 6
- 239000010960 cold rolled steel Substances 0.000 abstract description 5
- 238000009713 electroplating Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 4
- 238000005275 alloying Methods 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000001771 vacuum deposition Methods 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 150000002739 metals Chemical class 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は自動車用外板、建材、缶材等に適用されるＺｎ
−Ｎｉ合金めつき法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention is directed to Zn applied to automobile outer panels, building materials, can stock, etc.
-Relating to a Ni alloy plating method.
従来からＺｎ−Ｎｉ合金めっきは純Ｚｎ めっきに比
較して犠牲防食性が小さく耐食性が良好なため主に電気
めっき法で生産されている。Conventionally, Zn--Ni alloy plating has been mainly produced by electroplating because it has less sacrificial corrosion protection and better corrosion resistance than pure Zn plating.
Ｚｎ−Ｎｉ合金を電気めっき法で電析することは古くか
ら知られているが、塩化物や硫酸塩の酸性浴、シアン化
合物やアンモニア化合物のアルカリ性浴等の公害性が強
い電解浴を使用しており電解浴の推持管理、廃液処理等
に多大な経費を費やしている。また電析速度が小さく、
生産性が悪いため、めっき被膜の厚さは比較的薄いもの
が生産されており、討食寿命の面よジ、適用される用途
も限定されている。Electrodeposition of Zn-Ni alloys by electroplating has been known for a long time. Therefore, a large amount of money is spent on maintenance and management of electrolytic baths, waste liquid treatment, etc. In addition, the electrodeposition rate is low,
Due to poor productivity, the plating film is produced with a relatively thin thickness, and its corrosion lifespan is limited, and its applications are also limited.
本発明は、例えば冷延鋼板のような薄板を７５０Ｃ前後
の水素雰囲気において還元して、この薄板の表面を活性
化した後、この活性化表面に真空蒸着法によってＺｎと
Ｎｉを積層コーティングし続いて５００〜５００Ｃの非
酸化性ガス雰囲気中において、上記ＺｎとＮｉを鉱敗ま
たは溶融して合金化し、前記薄板の表面にＺｎ−Ｎｉの
合金をめっきする方法である。In the present invention, a thin plate such as a cold-rolled steel plate is reduced in a hydrogen atmosphere at around 750C to activate the surface of the thin plate, and then Zn and Ni are layered and coated on the activated surface by vacuum evaporation. In this method, the Zn and Ni are alloyed by melting or melting in a non-oxidizing gas atmosphere at 500 to 500 C, and the surface of the thin plate is plated with a Zn-Ni alloy.
本発明しで採用した真空蒸着法によればめっきの積層速
度は従来の電気めっき法の場合より大きく生産性が高く
、また公害性物質を使用しないためこれらシて要する経
費の節減が可能である。According to the vacuum evaporation method adopted in the present invention, the plating layering speed is higher than that of the conventional electroplating method and productivity is higher, and since no polluting substances are used, the costs required for these methods can be reduced. .
厚さ０．６朋の冷延鋼板を７５０Ｃの水素雰囲気で５分
間加熱保持し、表面を活性化した後、２ Ｘ １０−’
）−ルの圧力まで真空排気によって減圧し、冷延鋼板
の温度を２０００に保持して、先ずＮｉを蒸着し続いて
Ｚｎを蒸着して冷延鋼板の表面にＮｉとＺｎの積層コー
ティングを行った。A cold-rolled steel plate with a thickness of 0.6 mm was heated and held in a hydrogen atmosphere at 750C for 5 minutes to activate the surface, and then heated to 2 x 10-'
) - The temperature of the cold-rolled steel sheet was maintained at 2000° C., and Ni was first deposited and then Zn was deposited to form a layered coating of Ni and Zn on the surface of the cold-rolled steel sheet. Ta.
次に、この積層コーティングをＮ２ 雰囲気で加熱し
積層コーティングのＺｎとＮｉを拡散または溶融した後
、常温まで同雰囲気で冷却した。Next, this laminated coating was heated in an N2 atmosphere to diffuse or melt Zn and Ni in the laminated coating, and then cooled to room temperature in the same atmosphere.
以上の処理に２ける各種条件を第１表に示す。Table 1 shows various conditions for the above processing.
なお、３００Ｃは拡散による合金化処理の加熱であり、
５００Ｃは溶融による合金化処理の加熱である。比較例
は電気めっきによって中度されたＺｎ−Ｎｉめつき板で
ありコーテイング膜の厚さは実施例と同じ厚さである。In addition, 300C is heating for alloying treatment by diffusion,
500C is heating for alloying treatment by melting. The comparative example is a Zn-Ni plated plate which has been moderately coated by electroplating, and the thickness of the coating film is the same as that of the example.
第１図は実施例と比較例の耐食性評価のために行った塩
水噴霧試験の結果である。又先行蒸着がＺｎ の場合
でも上記蒸着と同等の結果であるため省略する。FIG. 1 shows the results of a salt spray test conducted to evaluate the corrosion resistance of Examples and Comparative Examples. Also, even when Zn is pre-deposited, the results are the same as those of the above-mentioned deposition, so the explanation will be omitted.
第 １ 表
〔発明の効果〕
以上の通ｐ本発明法で製作したＺｎ−Ｎｉ合金めつきに
２いて従来の電気Ｚｎ−Ｎｉめつきの耐食性と同等であ
り従来の電気Ｚｎ−Ｎｉめつきのような公害物質を便用
する必要がない、ため無公害であジ、又エネルギー効率
についても１ ｋｇのめつき材料を析出させるために必
要な理論的エネルギーが１．５Ｆ＄／ｋＰに対し従来の
電気Ｚｎ−Ｎｉめつき法は８．８にＷ ／ ｋｇ必要で
経済性および生産性の面で優れた方法である。Table 1 [Effects of the Invention] As stated above, the Zn-Ni alloy plating produced by the method of the present invention has a corrosion resistance equivalent to that of conventional electric Zn-Ni plating, and has a corrosion resistance similar to that of conventional electric Zn-Ni plating. There is no need to use pollutants, so it is non-polluting, and in terms of energy efficiency, the theoretical energy required to deposit 1 kg of plating material is 1.5 F$/kP compared to conventional electricity. The Zn-Ni plating method requires 8.8 W/kg and is an excellent method in terms of economy and productivity.
第１図は本発明方法によるＺｎ−Ｎｉめっき及び従来法
の電気Ｚｎ−Ｎｉめつきの耐食性評価結果を示す図表で
ある。
復代理人 内 １） 明
復代理人 萩 原 亮 −
復代理人 安 西 篤 夫
第１図
増水罎霧工式験日数 （日）FIG. 1 is a chart showing the corrosion resistance evaluation results of Zn-Ni plating by the method of the present invention and electric Zn-Ni plating by the conventional method. Sub-Agents 1) Meifuku Agent Ryo Hagiwara - Sub-Agent Atsuo Anzai Figure 1 Number of Days for Testing Ceremony for Water Engineering (Days)
Claims (1)
らを非酸化性雰囲気ガス中において３００〜５００℃の
範囲に加熱して合金化することを特徴とするＺｎ−Ｎｉ
合金めつき法。Zn-Ni, which is characterized by forming a Zn vapor deposition layer and a Ni vapor deposition layer on the surface of a base material, and then heating these in a non-oxidizing atmospheric gas to a temperature in the range of 300 to 500°C to form an alloy.
Alloy plating method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10218186A JPS62260049A (en) | 1986-05-06 | 1986-05-06 | Method for plating zn-ni alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10218186A JPS62260049A (en) | 1986-05-06 | 1986-05-06 | Method for plating zn-ni alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62260049A true JPS62260049A (en) | 1987-11-12 |
Family
ID=14320505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10218186A Pending JPS62260049A (en) | 1986-05-06 | 1986-05-06 | Method for plating zn-ni alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62260049A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106646A (en) * | 1977-03-01 | 1978-09-16 | Mitsubishi Heavy Ind Ltd | Method and apparatus for vacuum evaporation plating |
-
1986
- 1986-05-06 JP JP10218186A patent/JPS62260049A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106646A (en) * | 1977-03-01 | 1978-09-16 | Mitsubishi Heavy Ind Ltd | Method and apparatus for vacuum evaporation plating |
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