Effect of surface mechanical treatments on the microstructure-property-performance of engineering alloys
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 mec...
| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
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2020
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| Online Access: | https://hdl.handle.net/10356/141948 |
| _version_ | 1824453961893019648 |
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| author | Kumar, Dharmesh Idapalapati, Sridhar Wang, Wei Narasimalu, Srikanth |
| author2 | School of Mechanical and Aerospace Engineering |
| author_facet | School of Mechanical and Aerospace Engineering Kumar, Dharmesh Idapalapati, Sridhar Wang, Wei Narasimalu, Srikanth |
| author_sort | Kumar, Dharmesh |
| collection | NTU |
| description | 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. |
| first_indexed | 2025-02-19T03:14:44Z |
| format | Journal Article |
| id | ntu-10356/141948 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2025-02-19T03:14:44Z |
| publishDate | 2020 |
| record_format | dspace |
| spelling | ntu-10356/1419482023-03-04T17:21:00Z Effect of surface mechanical treatments on the microstructure-property-performance of engineering alloys Kumar, Dharmesh Idapalapati, Sridhar Wang, Wei Narasimalu, Srikanth School of Mechanical and Aerospace Engineering Energy Research Institute @ NTU (ERI@N) Engineering::Mechanical engineering Nickel-based Superalloys Surface Mechanical Treatments 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. Published version 2020-06-12T03:23:25Z 2020-06-12T03:23:25Z 2019 Journal Article 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 1996-1944 https://hdl.handle.net/10356/141948 10.3390/ma12162503 2-s2.0-85070566307 16 12 en Materials © 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/). application/pdf |
| spellingShingle | Engineering::Mechanical engineering Nickel-based Superalloys Surface Mechanical Treatments Kumar, Dharmesh Idapalapati, Sridhar Wang, Wei Narasimalu, Srikanth Effect of surface mechanical treatments on the microstructure-property-performance of engineering alloys |
| title | Effect of surface mechanical treatments on the microstructure-property-performance of engineering alloys |
| title_full | Effect of surface mechanical treatments on the microstructure-property-performance of engineering alloys |
| title_fullStr | Effect of surface mechanical treatments on the microstructure-property-performance of engineering alloys |
| title_full_unstemmed | Effect of surface mechanical treatments on the microstructure-property-performance of engineering alloys |
| title_short | Effect of surface mechanical treatments on the microstructure-property-performance of engineering alloys |
| title_sort | effect of surface mechanical treatments on the microstructure property performance of engineering alloys |
| topic | Engineering::Mechanical engineering Nickel-based Superalloys Surface Mechanical Treatments |
| url | https://hdl.handle.net/10356/141948 |
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