PROBLEM TO BE SOLVED: To provide a corrosion-resistant magnesium alloy forged wheel which is ultra-lightweight, is also excellent in rotary bending fatigue strength, and has improved corrosion resistance such as warm water resistance and rust prevention, and to provide a method for manufacturing the same.SOLUTION: There is provided a corrosion-resistant magnesium alloy forged wheel which has a chemical film layer that is formed on a magnesium alloy forged material and contains manganese and phosphorus and a primer layer formed on the chemical film layer, where the magnesium alloy forged material contains magnesium particles having an average crystal particle size of 80 μm or less thereon, a weight ratio of coating weights of calcium and manganese contained in the chemical film layer is 0.40-0.60, and the primer layer is formed from an epoxy resin-based primer coating material that contains an epoxy resin having a weight average molecular weight of 30,000 or less and 2.0 wt.% or less of a rust preventive pigment.SELECTED DRAWING: Figure 3
【課題】超軽量であり、しかも回転曲げ疲労強度に優れており、更に耐温水性、防錆性等の耐食性を向上させたマグネシウム合金鍛造ホイール及びその製造方法を提供する。【解決手段】マグネシウム合金鍛造素材上に形成されたカルシウムとマンガンとリンとを含む化成皮膜層と、前記化成皮膜層上に形成されたプライマー層とを備えた耐食性マグネシウム合金鍛造ホイールであって、前記マグネシウム合金鍛造素材は、その表面に平均結晶粒子径が80μm以下であるマグネシウム粒子を含有し、前記化成皮膜層に含まれるカルシウム/マンガンの付着量重量比は0.40〜0.60であり、前記プライマー層が重量平均分子量30,000以下のエポキシ樹脂を含み、且つ防錆顔料を2.0重量%以下含むエポキシ樹脂系プライマー塗料から形成されたことを特徴とする。【選択図】図3
CORROSION-RESISTANT MAGNESIUM ALLOY FORGED WHEEL AND METHOD FOR MANUFACTURING THE SAME
耐食性マグネシウム合金鍛造ホイール及びその製造方法
2017-06-15
Patent
Elektronische Ressource
Japanisch
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge / B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL , Verfahren zum Aufbringen von Flüssigkeiten oder von anderen fließfähigen Stoffen auf Oberflächen allgemein / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS , Verändern der physikalischen Struktur von Nichteisenmetallen oder Nichteisenlegierungen / C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL |
CORROSION-RESISTANT MAGNESIUM ALLOY FORGED WHEEL AND MANUFACTURING METHOD THEREOF
Europäisches Patentamt | 2015
|Development of Magnesium Forged Wheel
SAE Technical Papers | 1995
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Kraftfahrwesen | 1995
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British Library Conference Proceedings | 1995
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Tema Archiv | 1995
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