Lookup NU author(s): Professor Steve Bull
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© 2014 John Wiley & Sons, Inc. Nanoindentation can be used to assess bulk materials, coatings, and interfaces, but in many cases a composite response is produced that is influenced by the surrounding material. It is, therefore, essential to determine the correct test protocol to use if mechanical data that is generated is to be free of such influences. This chapter talks about nanoindentation studies that can be used to determine the mechanical properties of bulk materials, coatings, and interfacial phases. Direct measurement of plastic properties at high spatial resolution is possible, but the assessment of elastic properties is more difficult due to the longer range of elastic stress distributions. For this reason, a modeling approach is necessary to fully understand elastic behavior. Fracture toughness can be determined from the energy dissipated during indentation if well-defined fracture events can be associated with features in the nanoindentation load-displacement curve.
Author(s): Bull SJ
Publication type: Book Chapter
Publication status: Published
Book Title: Scanning Probe Microscopy for Industrial Applications: Nanomechanical Characterization
Online publication date: 08/11/2013
Publisher: John Wiley & Sons, Inc.
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