WO2002060684A1 - Magnesium formed article - Google Patents
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- WO2002060684A1 WO2002060684A1 PCT/JP2002/000600 JP0200600W WO02060684A1 WO 2002060684 A1 WO2002060684 A1 WO 2002060684A1 JP 0200600 W JP0200600 W JP 0200600W WO 02060684 A1 WO02060684 A1 WO 02060684A1
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- magnesium
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- resin film
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
Definitions
- the present invention relates to a magnesium molded product, and more particularly, to a magnesium molded product having excellent oxidation resistance and scratch resistance.
- Magnesium and magnesium alloys have the lowest specific gravity among practical structural metals, are easy to recycle unlike resins, are easily degradable in soil, and have specific strength, vibration damping properties, and electromagnetic shielding. Excellent in various properties such as properties. For this reason, processed magnesium alloy products (hereinafter also referred to as magnesium processed products) are widely used in a wide range of fields such as transportation equipment such as automobiles, information communication equipment such as printers, electrical appliances, and portable equipment. Used as parts.
- This processed magnesium product has a problem that if left as it is after processing, it is oxidized, an oxide film is easily formed on the surface, and the oxidation resistance is extremely poor. For this reason, it is necessary to produce various products after removing this oxide film.
- an object of the present invention is to provide a magnesium molded article having excellent oxidation resistance and scratch resistance.
- the present inventors have found that by coating the surface of the processed product with a resin film or metal foil, it is possible to improve the oxidation resistance, especially when the scratch resistance is a problem, by using a hard resin film or metal. It was found that the above purpose could be achieved by coating with foil. Was.
- the present invention has been made based on the above findings, and provides a magnesium molded product characterized in that the surface of a processed product of magnesium or a magnesium alloy is covered with a resin film or a metal foil.
- the surface of the processed magnesium product is covered with a hard resin film or metal foil.
- the magnesium alloy used here is not particularly limited.
- magnesium monolithium alloy, magnesium monoaluminum alloy, magnesium monozinc alloy, magnesium monosilver alloy, magnesium monomanganese alloy, magnesium and aluminum, zinc, calcium And three or more alloys such as misch metal in consideration of various characteristics, magnesium monolithium alloy and magnesium aluminum alloy are preferably used. From the viewpoint of corrosion resistance and embrittlement resistance, magnesium alloy having an aluminum content of 2 to 12% by weight is preferred. Moaluminum alloy is particularly preferably used.
- magnesium processed product examples include a rolled product manufactured by rolling, a die cast product obtained by die casting, a plastic processed product obtained by plastic working, and the like, and the shape is arbitrary.
- the surface of the processed magnesium product is covered with a resin film or a metal foil.
- the surface of the processed magnesium product may be subjected to a promotion treatment.
- cover with a hard resin film when scratch resistance is required.
- hard refers to a material having properties that are harder than magnesium or a magnesium alloy.
- the resin used for the resin film is not particularly limited, and is appropriately used depending on the use of the product. However, a resin having excellent oxidation resistance is preferable. Specific examples include polyethylene, polypropylene, polyvinylidene chloride, polyvinyl chloride, polyethylene terephthalate, and polyethylene naphthalate. These resins are used in various molding methods, For example, a resin film is formed by a T-die method.
- the method of coating these resin films on the surface of the magnesium processed product is not particularly limited, and examples thereof include a method using thermocompression bonding, a method using a double-sided tape or an adhesive.
- a method using thermocompression bonding a method using a double-sided tape or an adhesive.
- the metal used for the metal foil is not particularly limited, and is appropriately used depending on the use of the product. However, a metal excellent in oxidation resistance is preferable. Specific examples include aluminum, copper, nickel and the like, but aluminum is generally used from the viewpoint of economy and practicality.
- the method of coating these metal foils on the surface of the magnetized product is not particularly limited, but a method in which the metal foil is directly formed on the surface of the magnetized product by plating, vacuum evaporation, etc. And the like.
- the thickness of the resin film / metal foil coated on the surface of the magnesium processed product is determined from the viewpoints of oxidation resistance and scratch resistance, and practicality as a product.
- the surface of the processed product of the magnesium or the magnesium alloy is coated with the resin film or the metal foil, and the type and the coating method of the resin film or the metal foil are determined according to the application of the product. It is preferable to use a hard resin film having excellent oxidation resistance and to perform thermocompression bonding under pressure from the viewpoint of economy and the like.
- the magnesium molded article of the present invention has excellent oxidation resistance and scratch resistance, it can be used in a wide variety of fields such as transportation equipment such as automobiles, information communication equipment such as printers, electric appliances, and portable equipment. Can be used as a part.
- a 20-m-thick copper foil was adhered to the surface of a magnesium processed product similar to that used in Example 1 via an epoxy adhesive to obtain a magnesium molded product.
- a 0.5 mm thick rolled magnesium plate (rolled plate made of magnesium-aluminum-zinc alloy containing 3% by weight of aluminum and 1% by weight of zinc) is 80 mm long, 70 mm wide, and 1 mm high.
- a processed product pressed to 0 mm was subjected to the same treatment as in Example 2 to obtain a magnesium molded product.
- Example 2 The same magnesium processed product as that used in Example 1 was not subjected to any treatment to obtain a magnesium molded product.
- Oxidation resistance and scratch resistance of the magnesium molded articles obtained in Examples 1 to 3 and Comparative Example 1 were evaluated based on the following.
- the magnesium molded article of the present invention is excellent in oxidation resistance and scratch resistance, it can be used as a product in a wide range of fields.
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- Engineering & Computer Science (AREA)
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Abstract
Description
明 細 書 マグネシウム成形品 技術分野 Description Magnesium molded product Technical field
本発明はマグネシウム成形品に関し、 詳しくは耐酸化性及び耐傷付性に優れた マグネシゥム成形品に関する。 背景技術 The present invention relates to a magnesium molded product, and more particularly, to a magnesium molded product having excellent oxidation resistance and scratch resistance. Background art
マグネシゥムやマグネシゥム合金は、 実用的な構造材金属中で最も比重が小さ く、 しかも樹脂と異なってリサイクルも容易であり、 土中易分解性である上に、 比強度、 制振性、 電磁波シールド性等の各種特性に優れている。 このため、 マグ ネシゥムゃマグネシウム合金の加工品 （以下、 マグネシウム加工品ともいう） は、 自動車等の輸送機器、 プリンタ一等の情報通信機器、 電化製品、 携帯用機器等の 広範な分野での各種部品として使用されている。 Magnesium and magnesium alloys have the lowest specific gravity among practical structural metals, are easy to recycle unlike resins, are easily degradable in soil, and have specific strength, vibration damping properties, and electromagnetic shielding. Excellent in various properties such as properties. For this reason, processed magnesium alloy products (hereinafter also referred to as magnesium processed products) are widely used in a wide range of fields such as transportation equipment such as automobiles, information communication equipment such as printers, electrical appliances, and portable equipment. Used as parts.
このマグネシウム加工品は、 加工後にそのまま放置すると、 酸化され表面に酸 化皮膜が形成され易く耐酸化性に著しく劣るという問題を有する。 このため、 こ の酸化皮膜を除去した後、 各種製品とする必要が生じる。 This processed magnesium product has a problem that if left as it is after processing, it is oxidized, an oxide film is easily formed on the surface, and the oxidation resistance is extremely poor. For this reason, it is necessary to produce various products after removing this oxide film.
また、 このマグネシウム加工品は、 軟らかいため製品使用時に表面に傷が入り 易く耐傷付性に劣るという問題がある。 In addition, since the processed magnesium product is soft, there is a problem that the surface is easily damaged when the product is used, and the scratch resistance is poor.
このように、 マグネシウム加工品は、 耐酸化性ゃ耐傷付性に劣るにも拘わらず、 従来においては耐食性を付与すべく防銷処理が施されているのみであった。 発明の開示 As described above, although the processed magnesium product is inferior in oxidation resistance / scratch resistance, in the past, it was only subjected to promotion treatment to impart corrosion resistance. Disclosure of the invention
従って、 本発明の目的は、 耐酸化性及び耐傷付性に優れたマグネシウム成形品 を提供することにある。 ' Therefore, an object of the present invention is to provide a magnesium molded article having excellent oxidation resistance and scratch resistance. '
本発明者らは、 検討の結果、 加工品の表面を樹脂フィルム又は金属箔で被覆す ることによって、 耐酸化性を、 特に耐傷付性が問題となる場合には硬質の樹脂フ ィルム又は金属箔で被覆することによって、 上記目的が達成し得ることを知見し た。 As a result of the study, the present inventors have found that by coating the surface of the processed product with a resin film or metal foil, it is possible to improve the oxidation resistance, especially when the scratch resistance is a problem, by using a hard resin film or metal. It was found that the above purpose could be achieved by coating with foil. Was.
本発明は、 上記知見に基づきなされたもので、 マグネシウム又はマグネシウム 合金の加工品の表面が、 樹脂フィルム又は金属箔で被覆されていることを特徴と するマグネシウム成形品を提供するものである。 The present invention has been made based on the above findings, and provides a magnesium molded product characterized in that the surface of a processed product of magnesium or a magnesium alloy is covered with a resin film or a metal foil.
発明を実施するための最良形態 BEST MODE FOR CARRYING OUT THE INVENTION
以下、 本発明の実施の形態について説明する。 Hereinafter, embodiments of the present invention will be described.
本発明では、 マグネシウム加工品の表面が、 硬質の樹脂フィルム又は金属箔で 被覆されている。 In the present invention, the surface of the processed magnesium product is covered with a hard resin film or metal foil.
ここで用いられるマグネシウム合金としては、 特に制限はされず、 例えばマグ ネシゥム一リチウム合金、 マグネシウム一アルミニウム合金、 マグネシウム一亜 鉛合金、 マグネシウム一銀合金、 マグネシウム一マンガン合金、 マグネシウムと アルミニウム、 亜鉛、 カルシウム、 ミッシュメタル等の三元以上の合金等が挙げ られる。 これらの中で種々の特性を考慮するとマグネシウム一リチウム合金、 マ グネシゥムーアルミニウム合金が好ましく闲いられ、 耐食性、 耐脆化性の点から アルミユウ厶含有量が 2〜 1 2重量％のマグネシゥムーアルミユウム合金が特に 好ましく用いられる。 The magnesium alloy used here is not particularly limited. For example, magnesium monolithium alloy, magnesium monoaluminum alloy, magnesium monozinc alloy, magnesium monosilver alloy, magnesium monomanganese alloy, magnesium and aluminum, zinc, calcium And three or more alloys such as misch metal. Among these, in consideration of various characteristics, magnesium monolithium alloy and magnesium aluminum alloy are preferably used. From the viewpoint of corrosion resistance and embrittlement resistance, magnesium alloy having an aluminum content of 2 to 12% by weight is preferred. Moaluminum alloy is particularly preferably used.
このマグネシウム加工品としては、 圧延により製造される圧延品、 ダイカスト により得られるダイカス卜製品、 塑性加工により得られる塑性加工品等が挙げら れ、 その形状は任意である。 Examples of the magnesium processed product include a rolled product manufactured by rolling, a die cast product obtained by die casting, a plastic processed product obtained by plastic working, and the like, and the shape is arbitrary.
本発明で【'ま、 上述のように、 マグネシウム加工品の表面が、 樹脂フィルム又は 金属箔で被覆されている。 このマグネシウム加工品の表面は、 防銷処理が施され ていてもよい。 また、 特に耐傷付性が必要とされる場合には硬質の樹脂フィルム で被覆する。 ここでいう硬質とは、 マグネシウム又はマグネシウム合金よりも硬 い性質を有するものを指す。 In the present invention, as described above, the surface of the processed magnesium product is covered with a resin film or a metal foil. The surface of the processed magnesium product may be subjected to a promotion treatment. In particular, when scratch resistance is required, cover with a hard resin film. The term “hard” as used herein refers to a material having properties that are harder than magnesium or a magnesium alloy.
樹脂フィルムに用いられる樹脂は、 特に制限されず、 製品の用途によって適宜 用いられるが、 耐酸化性に優れたものが好ましい。 具体的には、 ポリエチレン、 ポリプロピレン、 ポリ塩化ビニリデン、 ポリ塩化ビュル、 ポリエチレンテレフタ レート、 ポリエチレンナフタレート等が挙げられる。 これら樹脂は、 各種成形法、 例えば Tダイ法によつて樹脂フィルムとされる。 The resin used for the resin film is not particularly limited, and is appropriately used depending on the use of the product. However, a resin having excellent oxidation resistance is preferable. Specific examples include polyethylene, polypropylene, polyvinylidene chloride, polyvinyl chloride, polyethylene terephthalate, and polyethylene naphthalate. These resins are used in various molding methods, For example, a resin film is formed by a T-die method.
これら樹脂フィルムのマグネシゥム加工品表面への被覆方法は、 特に制限され ないが、 例えば熱圧着、 両面テープや接着剤を介する方法が挙げられる。 特に Τ ダイ法等によって得られた樹脂フィルムをそのまま加圧ロール等によって加圧下 に熱圧着することが経済性や接着性の点から望ましい。 The method of coating these resin films on the surface of the magnesium processed product is not particularly limited, and examples thereof include a method using thermocompression bonding, a method using a double-sided tape or an adhesive. In particular, it is desirable from the economical and adhesive points that the resin film obtained by the die method or the like is thermocompression-bonded under pressure by a pressure roll or the like as it is.
また、 金属箔に用いられる金属も、 特に制限されず、 製品の用途によって適宜 用いられるが、 耐酸化性に優れたものが好ましい。 具体的には、 アルミニウム、 銅、 ニッケル等が挙げられるが、 経済性や実用性からアルミニウムが一般的であ る。 Also, the metal used for the metal foil is not particularly limited, and is appropriately used depending on the use of the product. However, a metal excellent in oxidation resistance is preferable. Specific examples include aluminum, copper, nickel and the like, but aluminum is generally used from the viewpoint of economy and practicality.
これら金属箔のマグネシゥム加工品表面への被覆方法は、 特に制限されないが、 メッキゃ真空蒸着等によってマグネシゥム加工品の表面に金属箔をそのまま形成 する方法やマグネシウム加工品表面に金属箔を接着剤等を介して貼着する方法等 が挙げられる。 The method of coating these metal foils on the surface of the magnetized product is not particularly limited, but a method in which the metal foil is directly formed on the surface of the magnetized product by plating, vacuum evaporation, etc. And the like.
これらマグネシウム加工品表面に被覆される樹脂フィルムゃ金属箔の厚みは、 耐酸化性及び耐傷付性や製品とした時の実用性の点から決められるものである。 The thickness of the resin film / metal foil coated on the surface of the magnesium processed product is determined from the viewpoints of oxidation resistance and scratch resistance, and practicality as a product.
このように、 本発明のマグネシゥム成形品は、 マグネシゥム又はマグネシゥム 合金の加工品の表面が、 樹脂フイルム又は金属箔で被覆されており、 樹脂フィル ム又は金属箔の種類や被覆方法は、 製品の用途によって適宜用いられるが、 特に 耐酸化性に優れた硬質の樹脂フィルムを用い、 加圧下に熱圧着することが経済性 等の点から好ましい。 As described above, in the molded product of the present invention, the surface of the processed product of the magnesium or the magnesium alloy is coated with the resin film or the metal foil, and the type and the coating method of the resin film or the metal foil are determined according to the application of the product. It is preferable to use a hard resin film having excellent oxidation resistance and to perform thermocompression bonding under pressure from the viewpoint of economy and the like.
本発明のマグネシゥム成形品は、 耐酸化性ゃ耐傷付性に優れていることから、 自動車等の輸送機器、 プリンタ一等の情報通信機器、 電化製品、 携帯機器等の広 範な分野での各種部品として使用できる。 Since the magnesium molded article of the present invention has excellent oxidation resistance and scratch resistance, it can be used in a wide variety of fields such as transportation equipment such as automobiles, information communication equipment such as printers, electric appliances, and portable equipment. Can be used as a part.
以下、 本発明を実施例に基づき具体的に説明する。 Hereinafter, the present invention will be specifically described based on examples.
〔実施例 1〕 (Example 1)
長さ 1 0 0 c m、 幅 2 0 c m、 厚さ 5 mmのマグネシウム加工品 （アルミユウ ム含有量 3重量0 /6、 亜鉛含有量 1重量％のマグネシウム一アルミユウムー亜鉛合 金からなる圧延品） を用い、 これに Tダイ法によって成形された厚さ 5 0〃mの 溶融ポリエチレンフィルムを加圧ロールによって、 マグネシウム加工品表面にラ ミネ一トとし、 マグネシウム成形品を得た。 Length 1 0 0 cm, width 2 0 cm, 5 mm thick magnesium workpieces (the Arumiyuu arm content 3 wt 0/6, rolled products made of zinc content 1 wt% of magnesium one Arumiyuumu zinc alloys) A 50〃m-thick molten polyethylene film formed by the T-die method was wrapped on the surface of the magnesium processed product by a pressure roll. As a mineral, a magnesium molded product was obtained.
〔実施例 2〕 (Example 2)
実施例 1で用いたのと同様のマグネシウム加工品の表面に、 厚さ 2 0 mの銅 箔をェポキシ系接着剤を介して接着させ、 マグネシウム成形品を得た。 A 20-m-thick copper foil was adhered to the surface of a magnesium processed product similar to that used in Example 1 via an epoxy adhesive to obtain a magnesium molded product.
〔実施例 3〕 (Example 3)
厚さ 0 . 5 mmのマグネシウム圧延板 （アルミニウム含有量 3重量％、 亜鉛含 有量 1重量％マグネシウム一アルミニウム—亜鉛合金からなる圧延板） を縦 8 0 mm、 横 7 O mm、 高さ 1 0 mmにプレスした加工品に、 実施例 2と同じ処理を 施して、 マグネシウム成形品を得た。 A 0.5 mm thick rolled magnesium plate (rolled plate made of magnesium-aluminum-zinc alloy containing 3% by weight of aluminum and 1% by weight of zinc) is 80 mm long, 70 mm wide, and 1 mm high. A processed product pressed to 0 mm was subjected to the same treatment as in Example 2 to obtain a magnesium molded product.
〔比較例 1〕 (Comparative Example 1)
実施例 1で用いたのと同様のマグネシウム加工品に何らの処理を施さず、 マグ ネシゥム成形品とした。 The same magnesium processed product as that used in Example 1 was not subjected to any treatment to obtain a magnesium molded product.
実施例 1〜 3及び比較例 1で得られたマグネシウム成形品の耐酸化性と耐傷付 性を下記に基づき評価した。 Oxidation resistance and scratch resistance of the magnesium molded articles obtained in Examples 1 to 3 and Comparative Example 1 were evaluated based on the following.
(耐酸化性） (Oxidation resistance)
1 5日経過後のマグネシウム成形品表面の変色の有無を目視で評価した。 (耐傷付性） After 15 days, the surface of the magnesium molded article was visually evaluated for discoloration. (Scratch resistance)
1 5日経過後のマグネシウム成形品表面の傷の有無を目視で評価した。 After 15 days, the presence or absence of scratches on the surface of the magnesium molded article was visually evaluated.
この結果、 実施例 1〜 3のマグネシウム成形品表面には、 変色や傷は認められ ず、 耐酸化性及び耐傷付性が良好であった。 これに対し、 比較例 1のマグネシゥ ム成形品表面には、 変色や傷が認められ、 耐酸化性及び耐傷付性に劣るものであ つた。 産業上の利用可能性 As a result, no discoloration or damage was observed on the surfaces of the magnesium molded products of Examples 1 to 3, and the oxidation resistance and the scratch resistance were good. On the other hand, discoloration and scratches were observed on the surface of the magnesium molded product of Comparative Example 1, and the surface was inferior in oxidation resistance and scratch resistance. Industrial applicability
本発明のマグネシウム成形品は、 耐酸化性及び耐傷付性に優れることから、 広 範な分野での製品として使用することができる。 Since the magnesium molded article of the present invention is excellent in oxidation resistance and scratch resistance, it can be used as a product in a wide range of fields.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001021121A JP2002225174A (en) | 2001-01-30 | 2001-01-30 | Magnesium molded product |
| JP2001-21121 | 2001-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002060684A1 true WO2002060684A1 (en) | 2002-08-08 |
Family
ID=18886724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2002/000600 Ceased WO2002060684A1 (en) | 2001-01-30 | 2002-01-28 | Magnesium formed article |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2002225174A (en) |
| CN (1) | CN1478018A (en) |
| TW (1) | TW550132B (en) |
| WO (1) | WO2002060684A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564916B (en) * | 2009-05-15 | 2012-09-19 | 重庆理工大学 | Magnesium alloy component with tin-antimony-aluminum babbitt coating on surface and manufacturing method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4382389B2 (en) * | 2003-05-15 | 2009-12-09 | 三菱製鋼株式会社 | Manufacturing method of magnesium or magnesium alloy product |
| JP5131179B2 (en) * | 2008-12-22 | 2013-01-30 | 富士通株式会社 | Manufacturing method of electronic device casing |
| JP6813961B2 (en) * | 2016-05-31 | 2021-01-13 | 東洋鋼鈑株式会社 | Metal laminate made of copper and magnesium and its manufacturing method |
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2002
- 2002-01-28 CN CNA028009533A patent/CN1478018A/en active Pending
- 2002-01-28 WO PCT/JP2002/000600 patent/WO2002060684A1/en not_active Ceased
- 2002-01-30 TW TW91101573A patent/TW550132B/en not_active IP Right Cessation
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| GB1573057A (en) * | 1976-01-26 | 1980-08-13 | Dow Chemical Co | Photoengraving plate of composite structure |
| US4125661A (en) * | 1976-03-19 | 1978-11-14 | Mona Industries, Inc. | Laminated plates for chemical milling |
| JPS5765997A (en) * | 1980-10-09 | 1982-04-21 | Onkyo Corp | Diaphragm for speaker |
| EP0297036A1 (en) * | 1987-06-19 | 1988-12-28 | Gurit-Essex AG | Laminate |
| EP0858912A2 (en) * | 1997-02-12 | 1998-08-19 | TRW Inc. | Process for film transfer metallization |
| JP2000345370A (en) * | 1999-06-07 | 2000-12-12 | Ueda Alumite Kogyo Kk | Surface treatment of magnesium or magnesium alloy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564916B (en) * | 2009-05-15 | 2012-09-19 | 重庆理工大学 | Magnesium alloy component with tin-antimony-aluminum babbitt coating on surface and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW550132B (en) | 2003-09-01 |
| CN1478018A (en) | 2004-02-25 |
| JP2002225174A (en) | 2002-08-14 |
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