Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/141948
Title: Effect of surface mechanical treatments on the microstructure-property-performance of engineering alloys
Authors: Kumar, Dharmesh
Idapalapati, Sridhar
Wang, Wei
Narasimalu, Srikanth
Keywords: Engineering::Mechanical engineering
Issue Date: 2019
Source: Kumar, D., Idapalapati, S., Wang, W., & Narasimalu, S. (2019). Effect of surface mechanical treatments on the microstructure-property-performance of engineering alloys. Materials, 12(16), 2503-. doi:10.3390/ma12162503
Journal: Materials
Abstract: Fatigue is a dominant failure mechanism of several engineering components. One technique for increasing the fatigue life is by inducing surface residual stress to inhibit crack initiation. In this review, a microstructural study under various bulk (such as severe plastic deformation) and surface mechanical treatments is detailed. The effect of individual microstructural feature, residual stress, and strain hardening on mechanical properties and fatigue crack mechanisms are discussed in detail with a focus on nickel-based superalloys. Attention is given to the gradient microstructure and interface boundary behavior for the mechanical performance. It is recommended that hybrid processes, such as shot peening (SP) followed by deep cold rolling (DCR), could enhance fatigue life. The technical and scientific understanding of microstructural features delineated here could be useful for developing materials for fatigue performance.
URI: https://hdl.handle.net/10356/141948
ISSN: 1996-1944
DOI: 10.3390/ma12162503
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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