From “Smaller is Stronger” to “Size‐Independent Strength Plateau”: Towards Measuring the Ideal Strength of Iron | Zendy

Han WeiZhong | Zendy; Huang Ling | Zendy; Ogata Shigenobu | Zendy; Kimizuka Hajime | Zendy; Yang ZhaoChun | Zendy; Weinberger Christopher | Zendy; Li QingJie | Zendy; Liu BoYu | Zendy; Zhang XiXiang | Zendy; Li Ju | Zendy; Ma Evan | Zendy; Shan ZhiWei | Zendy

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From “Smaller is Stronger” to “Size‐Independent Strength Plateau”: Towards Measuring the Ideal Strength of Iron

Author(s) -

Han WeiZhong,

Huang Ling,

Ogata Shigenobu,

Kimizuka Hajime,

Yang ZhaoChun,

Weinberger Christopher,

Li QingJie,

Liu BoYu,

Zhang XiXiang,

Li Ju,

Ma Evan,

Shan ZhiWei

Publication year - 2015

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201500377

Subject(s) - materials science , ideal (ethics) , plateau (mathematics) , composite material , mathematics , mathematical analysis , philosophy , epistemology

The trend from “smaller is stronger” to “size‐independent strength plateau” is observed in the compression of spherical iron nanoparticles. When the diameter of iron nanospheres is less than a critical value, the maximum contact pressure saturates at 10.7 GPa, corresponding to a local shear stress of ≈9.4 GPa, which is comparable to the theoretical shear strength of iron.

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