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Nanostructure Fracturing: Brittle‐to‐Ductile Transition in Uniaxial Compression of Silicon Pillars at Room Temperature (Adv. Funct. Mater. 15/2009)
Author(s) -
Östlund Fredrik,
RzepiejewskaMalyska Karolina,
Leifer Klaus,
Hale Lucas M.,
Tang Yuye,
Ballarini Roberto,
Gerberich William W.,
Michler Johann
Publication year - 2009
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.200990068
Subject(s) - materials science , nanostructure , brittleness , compression (physics) , silicon , composite material , nanotechnology , metallurgy
On page 2439 , F. Östlund et al. report on an interesting effect observed during the compression of sub‐micrometer silicon pillars; a critical diameter separates pillars that are observed to crack from pillars that exhibit metal‐like ductility. This observation allows for the development of a quantitative method for measuring the fracture toughness of such structures, which can be used to predict and explain small‐volume fracture behavior.
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