magnesium aluminum alloy castings

Magnesium alloys are mixtures of magnesium (the lightest structural metal) with other metals (called alloys), usually aluminum, zinc, manganese, silicon, copper, rare earths, and zirconium. Magnesium alloys have a hexagonal lattice structure, which affects the basic properties of these alloys. Plastic deformation of the hexagonal lattice is more complex than that of cubic lattice metals such as aluminum, copper, and steel; therefore, magnesium alloys are often used as casting alloys.

Aluminum is very stable, inexpensive, and due to its sturdiness, does not bend easily under pressure. Magnesium alloys have a short solidification time. Magnesium is less stable, very expensive, and bends easily under pressure due to its softness.

Like aluminum, magnesium alloys are used in the casting of automotive parts and provide their unique mechanical and physical properties. While experiments have been carried out to replace aluminum with magnesium, it is still softer, less stable, more expensive, and bends more easily under pressure.

Although aluminum alloys take longer to solidify than magnesium alloys, their alloys provide longer mold life. Also, aluminum doesn’t require as much finishing work as magnesium. When determining the application of magnesium castings, special treatments and coatings are required.

magnesium aluminum alloy castings

構造材料としてのアルミニウム合金との競合において、マグネシウム合金は、密度が低く、強度比が高く、電磁シールド特性と鋳造性に優れているという利点があります。これらの結果、軽量、熱放散、電磁シールドが重要な 3C コンポーネント (コンピューター、通信、消費者向け製品) でマグネシウム合金が優先的に使用されます。また、自動車、航空宇宙、アウトドアスポーツなどの分野で非常に幅広い用途があります。

3C の高集積化により、電子部品や熱交換器の動作中に発生する過熱や変形による部品の故障の原因となる過剰な熱を除去することがより急務になっています。優れた放熱性と機械的特性を兼ね備えた材料の需要が急速に高まっています。コンポーネントの性能を最大限に引き出すには、適切な熱伝導率を持つ材料を選択することが非常に重要です。

Mg合金は、Al合金よりも熱容量が小さく放熱効果が高いため、放熱材料として大きな可能性を秘めています。過去数十年にわたって、マイクロ、ナノ、さらには分子スケールでの基本的な熱伝達を明確に理解して、Mg 合金の熱伝導率を向上させることに専念してきたいくつかの努力がありました。

Zhongmei は、一般的に使用されている AZ91D マグネシウム合金と比較して熱伝導率を大幅に改善できる Mg 合金の開発を目指して、世界をリードする専門家である重慶大学の Pan Fusheng 教授と彼のチームと共同で、マグネシウム合金材料研究所を設立しました。

研究所は実験とテストを続け、かなりの成果を上げています

高熱伝導率Mg合金

主な利点

マグネシウム合金の熱伝導率の向上 - 特にエンジニアリングコンポーネントの熱交換とヒートシンクの容量を増加させるためのアプリケーションで重要です。
熱伝導率の向上により、最終製品の動作温度が低下し、エネルギー効率と製品寿命が向上します。

アプリケーション

電気自動車産業

3C コンポーネント (コンピューター、通信、消費財)

通信基地局部品などのヒートシンク

magnesium aluminum alloy castings Products

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タグ: CNC machining and surface treatment in china, Magnesium aluminum alloy automotive parts, 中国マグネシウムダイカストメーカー, マグネシウム合金の自動車ダッシュボード, TBフレームメーカー