マグネシウム合金の自動車ダッシュボード

マグネシウム合金は、最も軽い構造用合金であることでよく知られています [1]。

それらは、最も軽い構造金属であるマグネシウムでできており、物理的特性を改善するために他の金属元素と混合されています。これらの元素には、マンガン、アルミニウム、亜鉛、シリコン、銅、ジルコニウム、および希土類金属が含まれます [2]。

マグネシウムの好ましい特性には、低比重と高い強度対重量比が含まれます。その結果、この材料は、自動車、航空宇宙、産業、電子、生物医学、および商業用途の範囲に適しています。

特性と利点 アプリケーション

マグネシウム合金は、自動車および航空宇宙用途から電子および生物医学用途まで、幅広い用途をカバーしています。

構造用途 自動車、航空宇宙、産業、および商用アプリケーションは、構造アプリケーションの例です。このような用途で使用されるマグネシウム合金の利点は、軽量、高い強度対重量比、高い剛性対重量比、鋳造性、機械加工性、および優れた減衰性です [4]。

自動車: ブレーキとクラッチのサポートブラケット、トランスミッションのハウジング

航空宇宙: 着陸輪、ヘリコプターローターフィッティング、ギアボックスハウジング

工業用：繊維機械などの高速作動機械

商業: かばん、手工具、コンピューターの筐体、はしご

電子アプリケーション 電子アプリケーションには、電子パッケージング、ハードドライブアーム、携帯電話、ポータブルメディアデバイスの筐体などがあります。マグネシウム合金は、軽量、強度、耐久性があるため、プラスチックの代わりに使用されています。また、熱放散と、電磁干渉および無線周波数干渉に対する保護も比較的優れています[5]。

医療用途 軽量な素材が求められる携帯型医療機器や車いすには、マグネシウム合金が活躍しています。また、心臓血管ステントおよび整形外科用デバイスは、マグネシウムの生体適合性と生体吸収性により、一部のマグネシウム合金の潜在的な用途です [4]。

マグネシウム合金の自動車ダッシュボード

The biggest advantage of casting magnesium alloy dashboards is the reduction in manufacturing time.

Compared to aluminum, magnesium alloys offer many advantages, including better manufacturability, longer mold life, and faster solidification due to lower latent heat. Therefore, more components can be produced per unit time compared to aluminum.

According to the International Magnesium Association, magnesium is 33 percent lighter than aluminum and 75 percent lighter than steel. Despite its lower density, magnesium alloys have a strength-to-weight ratio comparable to aluminum. Magnesium and its alloys also have high vibration damping capabilities, making them a good material choice for high-speed applications.

There are some disadvantages, While magnesium alloys are attractive for a variety of weight-sensitive automotive applications, the material has some drawbacks, such as being expensive and prone to corrosion.

magnesium alloy auto dashboard Products

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