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    Microstructure and Friction Characteristics of SiC/Ni60 Coatings by Different Directed Energy Deposition Laser Powers

    Source: Journal of Tribology:;2025:;volume( 147 ):;issue: 006::page 61402-1
    Author:
    Li, Wanyang
    ,
    Liu, Weiwei
    ,
    Ma, Zongyu
    ,
    Liu, Huanqiang
    ,
    Song, Jianrong
    ,
    Li, Tao
    ,
    Wang, Fengtao
    ,
    Zhao, Yue
    ,
    Zhang, Hongchao
    DOI: 10.1115/1.4067495
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The microstructure and tribological characteristics of SiC/Ni60 composite coatings manufactured using directed energy deposition (DED) technology are investigated. The influence of different laser powers on the composites is studied. The evolution characteristics of the microstructure, the stepped variation pattern of microhardness, and the formation mechanism of wear resistance induced by different laser powers are observed in SiC/Ni60 composite coatings. Laser power variations emerged as crucial factors for improving the structure and performance of the composites. The relationship between microstructure, phase identification, and laser power is clarified using scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), electron back-scattered diffraction (EBSD), and X-ray diffractometer (XRD). The best laser power is determined to be 3000 W based on microhardness and tribological characteristics. Additionally, the friction coefficient, wear rate, and wear behavior provide insights into the tribological features. Appropriate laser power parameters can suppress severe abrasive and adhesive wear and reduce the area of oxidative wear, resulting in a 51.99% reduction in wear rate. From the results obtained, it is evident that selecting the appropriate laser power provides a valuable direction for improving the performance of the composite coatings. The present work is expected to be applied to components such as crankshafts, where enhanced wear resistance is required.
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      Microstructure and Friction Characteristics of SiC/Ni60 Coatings by Different Directed Energy Deposition Laser Powers

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4305296
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    contributor authorLi, Wanyang
    contributor authorLiu, Weiwei
    contributor authorMa, Zongyu
    contributor authorLiu, Huanqiang
    contributor authorSong, Jianrong
    contributor authorLi, Tao
    contributor authorWang, Fengtao
    contributor authorZhao, Yue
    contributor authorZhang, Hongchao
    date accessioned2025-04-21T10:00:24Z
    date available2025-04-21T10:00:24Z
    date copyright1/2/2025 12:00:00 AM
    date issued2025
    identifier issn0742-4787
    identifier othertrib_147_6_061402.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4305296
    description abstractThe microstructure and tribological characteristics of SiC/Ni60 composite coatings manufactured using directed energy deposition (DED) technology are investigated. The influence of different laser powers on the composites is studied. The evolution characteristics of the microstructure, the stepped variation pattern of microhardness, and the formation mechanism of wear resistance induced by different laser powers are observed in SiC/Ni60 composite coatings. Laser power variations emerged as crucial factors for improving the structure and performance of the composites. The relationship between microstructure, phase identification, and laser power is clarified using scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), electron back-scattered diffraction (EBSD), and X-ray diffractometer (XRD). The best laser power is determined to be 3000 W based on microhardness and tribological characteristics. Additionally, the friction coefficient, wear rate, and wear behavior provide insights into the tribological features. Appropriate laser power parameters can suppress severe abrasive and adhesive wear and reduce the area of oxidative wear, resulting in a 51.99% reduction in wear rate. From the results obtained, it is evident that selecting the appropriate laser power provides a valuable direction for improving the performance of the composite coatings. The present work is expected to be applied to components such as crankshafts, where enhanced wear resistance is required.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleMicrostructure and Friction Characteristics of SiC/Ni60 Coatings by Different Directed Energy Deposition Laser Powers
    typeJournal Paper
    journal volume147
    journal issue6
    journal titleJournal of Tribology
    identifier doi10.1115/1.4067495
    journal fristpage61402-1
    journal lastpage61402-13
    page13
    treeJournal of Tribology:;2025:;volume( 147 ):;issue: 006
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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