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Advances in In situ microfracture experimentation techniques: A case of nanoscale metal–metal multilayered materials

Published online by Cambridge University Press:  26 March 2019

Hashina Parveen Anwar Ali Open the ORCID record for Hashina Parveen Anwar Ali [Opens in a new window]  and
Arief Budiman
Hashina Parveen Anwar Ali
Affiliation:
Xtreme Materials Lab, Engineering Product Development (EPD) Pillar, Singapore University of Technology & Design (SUTD), Singapore 487372, Singapore
Arief Budiman*
Affiliation:
Xtreme Materials Lab, Engineering Product Development (EPD) Pillar, Singapore University of Technology & Design (SUTD), Singapore 487372, Singapore
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Plasticity and fracture of materials at the nanoscale levels can deviate significantly from the same phenomena in bulk properties, which may have important implications if they are to be used in real-world engineering systems. Nanoscale metal–metal multilayered materials provide a model material system platform to understand plasticity and fracture based on dislocation interactions with microstructural features. Recently, there is a growing trend to understand the fracture of multilayered materials to see the interactions between the crack and multilayered interface through novel experimentation techniques. In this review, we will introduce the rationale, the current microfracture methods to test and analyze the multilayer fracture behavior and the challenges faced in performing them. Four examples of in situ fracture techniques are highlighted in this work through tensile testing of film on a substrate: microfracture clamped beam bending technique across the multilayers and delamination along the multilayered interface.

Keywords

nanoscalelayeredfracture
Type
Invited Feature Paper - REVIEW
Information
Journal of Materials Research , Volume 34 , Issue 9: Focus Issue: Plasticity and Fracture at the Nanoscales - Advances in in situ Experimentation Techniques Enabling Novel and Extreme Materials/Nanocomposite Design , 14 May 2019 , pp. 1449 - 1468
Copyright
Copyright © Materials Research Society 2019 

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