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    Characteristics of Diamond Abrasive Used in Magnetic Abrasive Finishing of Nickel-Based Superalloys

    Source: Journal of Micro and Nano-Manufacturing:;2020:;volume( 008 ):;issue: 003::page 031007-1
    Author:
    Ratay, Jason
    ,
    Wu, Pei-Ying
    ,
    Feirvezers, Alex
    ,
    Yamaguchi, Hitomi
    DOI: 10.1115/1.4048866
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Nickel-based superalloys have a wide range of high-temperature applications such as turbine blades. The complex geometries of these applications and the specific properties of the materials raise difficulties in the surface finishing. Magnetic abrasive finishing (MAF) has proven effective in finishing the complex geometries. In MAF, the magnetic properties of the workpiece, tool, and abrasive play important roles in controlling finishing characteristics. This paper presents the effects of nickel coating on the abrasive behavior during finishing and resulting finishing characteristics of Ni-based superalloys. The Ni-coated diamond abrasive is more attracted to the magnet than the Ni-based superalloy surface. As a result, fewer Ni-coated diamond abrasive particles, which are stuck between the magnetic-particle brush and the target surface, participate in surface finishing. Because of this, coupled with the reduced sharpness of abrasive cutting edges due to the coating, Ni-coated diamond abrasive cannot effectively smooth the target surface in MAF. However, the Ni coating is worn off during finishing of the hard, rough, additively manufactured surface. Then, the diamond abrasive participates in finishing as uncoated diamond abrasive and facilitates the material removal, finishing the target surface.
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      Characteristics of Diamond Abrasive Used in Magnetic Abrasive Finishing of Nickel-Based Superalloys

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    contributor authorRatay, Jason
    contributor authorWu, Pei-Ying
    contributor authorFeirvezers, Alex
    contributor authorYamaguchi, Hitomi
    date accessioned2022-02-04T23:02:49Z
    date available2022-02-04T23:02:49Z
    date copyright9/1/2020 12:00:00 AM
    date issued2020
    identifier issn2166-0468
    identifier otherjmnm_008_03_031007.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4275985
    description abstractNickel-based superalloys have a wide range of high-temperature applications such as turbine blades. The complex geometries of these applications and the specific properties of the materials raise difficulties in the surface finishing. Magnetic abrasive finishing (MAF) has proven effective in finishing the complex geometries. In MAF, the magnetic properties of the workpiece, tool, and abrasive play important roles in controlling finishing characteristics. This paper presents the effects of nickel coating on the abrasive behavior during finishing and resulting finishing characteristics of Ni-based superalloys. The Ni-coated diamond abrasive is more attracted to the magnet than the Ni-based superalloy surface. As a result, fewer Ni-coated diamond abrasive particles, which are stuck between the magnetic-particle brush and the target surface, participate in surface finishing. Because of this, coupled with the reduced sharpness of abrasive cutting edges due to the coating, Ni-coated diamond abrasive cannot effectively smooth the target surface in MAF. However, the Ni coating is worn off during finishing of the hard, rough, additively manufactured surface. Then, the diamond abrasive participates in finishing as uncoated diamond abrasive and facilitates the material removal, finishing the target surface.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleCharacteristics of Diamond Abrasive Used in Magnetic Abrasive Finishing of Nickel-Based Superalloys
    typeJournal Paper
    journal volume8
    journal issue3
    journal titleJournal of Micro and Nano-Manufacturing
    identifier doi10.1115/1.4048866
    journal fristpage031007-1
    journal lastpage031007-10
    page10
    treeJournal of Micro and Nano-Manufacturing:;2020:;volume( 008 ):;issue: 003
    contenttypeFulltext
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