Deformation and fracture of nanocrystalline platinum micropillars

【Author】

Xun Gu;Julia R.Greer;Zhaoxuan Wu;Yongwei Zhang;David J.Srolovitz;

【Abstract】

<正>Metals exhibit so-called "size effect" when intrinsic(e.g.,grain) or extrinsic(sample) dimensions are reduced to the nanoscale.An open question is whether this size effect extends to fracture behavior, and whether phenomena like flaw tolerance are observed.We explore mechanical strength and fracture of nanocrystalline platinum pillars containing pre-cracks in the context of linear elastic

【Keywords】

length;Deformation and fracture of nanocrystalline platinum micropillars;

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