階層的なネットワークナノマテリアルの硬さと強さのスケーリング行動

Shan Shi^1,2, Yong Li^3,2, Bao-Nam Ngo-Dinh^3,4

¹Institute of Materials Research, Materials Mechanics, Helmholtz-Zentrum Geesthacht, 21502 Geesthacht, Germany. shan.shi@hzg.de weissmueller@tuhh.de.

Science (New York, N.Y.)

|March 6, 2021

まとめ

研究者は自己組織化を用いたマクロスコーピカル・ヒエラルキカル・ネットワーク・ナノマテリアルを作成した. この階層構造は材料の強さと硬さを高め,高度な軽量構造材料のスケーラブルな方法を提供します.

科学分野:

材料科学
ナノテクノロジー
機械工学

背景:

構造的階層は物質の強さの鍵であり,自然 (ナクレ) と工学的な構造に見られます.
ナノスケール構造は材料の性能を向上させる可能性を秘めています
顕微鏡の階層的なナノ材料には,スケーラブルな製造方法が必要です.

研究の目的:

マクロスコーピカル・ヒエラルキカル・ネットワークナノマテリアルの実証
ナノスケールでの階層構造のメカニカル効果を調査する.
これらの材料のためのスケーラブルな準備スキームを開発する.

主な方法:

自己組織化プロセスを利用し,特に脱合金.
製造されたマクロスコーピカル・ヒエラルキカル・ネットワークナノ材料
機械的な分析のためにスケーリング法則と原子模擬を用いた.

主要な成果:

マクロスコピカルな階層的なネットワークナノマテリアルを脱合金で達成した.
固体分数で強度と硬さが向上したことが示された.
脱合金プロセスによって可能になった減少した固体分子を展示した.

結論:

ナノスケールのネットワークにおける階層構造は,体系的な機械的な利点を提供します.
開発された材料は,将来の軽量構造アプリケーションのプロトタイプとして機能します.
dealloyingによる自己組織化は,実行可能なスケーラブルな準備計画です.

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