Fatigue behavior and tribological properties of laser additive manufactured aluminum alloy/boron nitride nanosheet nanocomposites
Laser additive manufacturing is a promising approach to prepare near-neat shape parts from Al nanocomposites with high mechanical and tribological properties. Owing to its lubricious nature, boron nitride nanosheets (BNNSs) were added into AlSi10Mg alloy via high-speed ball milling and laser metal d...
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| Format: | Article |
| Language: | English |
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Elsevier
2022-09-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785422013576 |
| _version_ | 1818018099460308992 |
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| author | Caiying Chen Sherif Araby Murat Demiral Rui Cai Xuanyi Yang Wei Wang Qingshi Meng |
| author_facet | Caiying Chen Sherif Araby Murat Demiral Rui Cai Xuanyi Yang Wei Wang Qingshi Meng |
| author_sort | Caiying Chen |
| collection | DOAJ |
| description | Laser additive manufacturing is a promising approach to prepare near-neat shape parts from Al nanocomposites with high mechanical and tribological properties. Owing to its lubricious nature, boron nitride nanosheets (BNNSs) were added into AlSi10Mg alloy via high-speed ball milling and laser metal deposition (LMD) to manufacture self-lubricating Al alloy nanocomposites with outstanding wear resistance and fatigue performance. The study shows that number of cycles-to-failure due to tensile fatigue increased from 103 for pure AlSi10Mg to 106 upon adding only 0.1 wt% of BNNSs. At 0.2 wt% BNNSs, the friction coefficient and wear-out volume of AlSi10Mg alloy decrease by 58% and 57%, respectively. Scanning electron microscopy micrographs show that pure AlSi10Mg has a worn surface of grooves, wide ridges, debris and large protrusions of worn material along the groove edges. The wear mechanism is mainly plastic deformation, delamination and adhesion in pure AlSi10Mg. On the other hand, the LMD-built AlSi10Mg/BNNS composites exhibit less rough surface with clear wear trails due to the thin lubricant layer formed from the extruded BNNSs during the test. An extended finite element model for the crack propagation during fatigue testing is developed, where the obtained results are in accord with the experimental measurements. The present study shows that additive manufacturing technology is capable to fabricate Al matrix composites with tailored properties for various design applications. |
| first_indexed | 2024-04-14T07:35:43Z |
| format | Article |
| id | doaj.art-3879fcf1a36048409e67b99f37b010ff |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-04-14T07:35:43Z |
| publishDate | 2022-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-3879fcf1a36048409e67b99f37b010ff2022-12-22T02:05:42ZengElsevierJournal of Materials Research and Technology2238-78542022-09-012039303948Fatigue behavior and tribological properties of laser additive manufactured aluminum alloy/boron nitride nanosheet nanocompositesCaiying Chen0Sherif Araby1Murat Demiral2Rui Cai3Xuanyi Yang4Wei Wang5Qingshi Meng6College of Aerospace Engineering, Shenyang Aerospace University, Shenyang 110136, China; School of Mechanical, Aerospace and Automotive Engineering, Coventry University, Coventry, United KingdomSchool of Engineering and Digital Sciences, Nazarbayev University, Nur-Sultan 010000, Kazakhstan; Corresponding author. School of Engineering and Digital Sciences, Nazarbayev University, Nur-Sultan 010000, KazakhstanCollege of Engineering and Technology, American University of the Middle East, KuwaitSchool of Mechanical, Aerospace and Automotive Engineering, Coventry University, Coventry, United KingdomKey Laboratory of Fundamental Science for National of Aeronautical Digital Manufacturing Process, Shenyang 110136, ChinaKey Laboratory of Fundamental Science for National of Aeronautical Digital Manufacturing Process, Shenyang 110136, ChinaCollege of Aerospace Engineering, Shenyang Aerospace University, Shenyang 110136, China; Corresponding author. College of Aerospace Engineering, Shenyang Aerospace University, Shenyang 110136, ChinaLaser additive manufacturing is a promising approach to prepare near-neat shape parts from Al nanocomposites with high mechanical and tribological properties. Owing to its lubricious nature, boron nitride nanosheets (BNNSs) were added into AlSi10Mg alloy via high-speed ball milling and laser metal deposition (LMD) to manufacture self-lubricating Al alloy nanocomposites with outstanding wear resistance and fatigue performance. The study shows that number of cycles-to-failure due to tensile fatigue increased from 103 for pure AlSi10Mg to 106 upon adding only 0.1 wt% of BNNSs. At 0.2 wt% BNNSs, the friction coefficient and wear-out volume of AlSi10Mg alloy decrease by 58% and 57%, respectively. Scanning electron microscopy micrographs show that pure AlSi10Mg has a worn surface of grooves, wide ridges, debris and large protrusions of worn material along the groove edges. The wear mechanism is mainly plastic deformation, delamination and adhesion in pure AlSi10Mg. On the other hand, the LMD-built AlSi10Mg/BNNS composites exhibit less rough surface with clear wear trails due to the thin lubricant layer formed from the extruded BNNSs during the test. An extended finite element model for the crack propagation during fatigue testing is developed, where the obtained results are in accord with the experimental measurements. The present study shows that additive manufacturing technology is capable to fabricate Al matrix composites with tailored properties for various design applications.http://www.sciencedirect.com/science/article/pii/S2238785422013576Aluminum matrix compositesLaser metal depositionBall millingWear resistanceFatigue performanceXFEM |
| spellingShingle | Caiying Chen Sherif Araby Murat Demiral Rui Cai Xuanyi Yang Wei Wang Qingshi Meng Fatigue behavior and tribological properties of laser additive manufactured aluminum alloy/boron nitride nanosheet nanocomposites Journal of Materials Research and Technology Aluminum matrix composites Laser metal deposition Ball milling Wear resistance Fatigue performance XFEM |
| title | Fatigue behavior and tribological properties of laser additive manufactured aluminum alloy/boron nitride nanosheet nanocomposites |
| title_full | Fatigue behavior and tribological properties of laser additive manufactured aluminum alloy/boron nitride nanosheet nanocomposites |
| title_fullStr | Fatigue behavior and tribological properties of laser additive manufactured aluminum alloy/boron nitride nanosheet nanocomposites |
| title_full_unstemmed | Fatigue behavior and tribological properties of laser additive manufactured aluminum alloy/boron nitride nanosheet nanocomposites |
| title_short | Fatigue behavior and tribological properties of laser additive manufactured aluminum alloy/boron nitride nanosheet nanocomposites |
| title_sort | fatigue behavior and tribological properties of laser additive manufactured aluminum alloy boron nitride nanosheet nanocomposites |
| topic | Aluminum matrix composites Laser metal deposition Ball milling Wear resistance Fatigue performance XFEM |
| url | http://www.sciencedirect.com/science/article/pii/S2238785422013576 |
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