Interface-Driven Plasticity in Metal–Ceramic Nanolayered Composites: Direct Validation of Multiscale Deformation Modeling via In Situ Indentation in TEM
作者： Nathan A. Mara , Nan Li , Amit Misra , Jian Wang
DOI: 10.1007/S11837-015-1542-1
关键词: In situ 、 Materials science 、 Ceramic 、 Deformation (engineering) 、 Transmission electron microscopy 、 Tin 、 Plasticity 、 Indentation 、 Composite material 、 Nanoscopic scale
摘要: We present in situ indentation a transmission electron microscope on Al-TiN multilayers with individual layer thicknesses of 50 nm and 2.7 nm to explore the effect length scales plastic co-deformability metal ceramic. At 50 nm, plasticity was confined Al layers brittle fracture TiN layers. 5 nm below, cracking suppressed co-deformation evident both The microscopy (TEM) straining results demonstrate profound size enhancing nanoscale metal-ceramic multilayers, as well direct validation ex 3-D elastic–plastic deformation models.
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