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    Discussion: “Modeling of Flash Temperature for Elastic Sliding Contact of Single Micro-Asperity Pair” (Wu, Z., Zhang, Y., Xu, Y., Jie, D., and Jackson, R. L., 2024, ASME J. Tribol., 146(1), p. 011702)

    Source: Journal of Tribology:;2024:;volume( 146 ):;issue: 006::page 65501-1
    Author:
    Jackson, R. L.
    ,
    Wu, Z.
    ,
    Xu, Y.
    ,
    Green, I.
    DOI: 10.1115/1.4064510
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Reflecting on the application and implications of this work [1], the authors realized that a few items should be discussed.Although the work is for elastic sliding contact, it could be adapted for elastic–plastic contact by employing an existing sliding elasto-plastic model [2,3]. These models are slightly different but originated at the same time. The paper by Jackson et al. provides equations to predict the tangential and normal forces during an elastic–plastic sliding. The model by Green [2] is based on a strain energy balance and is calibrated to finite element results found in a thesis by Moody [4]. It might be possible to adjust the factor given by Eq. (11) in the paper [1] for a maximum pressure predicted by these works. The maximum pressure for an elastic–plastic model will likely be lower than the elastic case, and the flash temperature will also be lower. Perhaps, the plastic deformation of asperities could effectively limit the magnitude of the flash temperature.
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      Discussion: “Modeling of Flash Temperature for Elastic Sliding Contact of Single Micro-Asperity Pair” (Wu, Z., Zhang, Y., Xu, Y., Jie, D., and Jackson, R. L., 2024, ASME J. Tribol., 146(1), p. 011702)

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4295879
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    contributor authorJackson, R. L.
    contributor authorWu, Z.
    contributor authorXu, Y.
    contributor authorGreen, I.
    date accessioned2024-04-24T22:47:21Z
    date available2024-04-24T22:47:21Z
    date copyright2/2/2024 12:00:00 AM
    date issued2024
    identifier issn0742-4787
    identifier othertrib_146_6_065501.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4295879
    description abstractReflecting on the application and implications of this work [1], the authors realized that a few items should be discussed.Although the work is for elastic sliding contact, it could be adapted for elastic–plastic contact by employing an existing sliding elasto-plastic model [2,3]. These models are slightly different but originated at the same time. The paper by Jackson et al. provides equations to predict the tangential and normal forces during an elastic–plastic sliding. The model by Green [2] is based on a strain energy balance and is calibrated to finite element results found in a thesis by Moody [4]. It might be possible to adjust the factor given by Eq. (11) in the paper [1] for a maximum pressure predicted by these works. The maximum pressure for an elastic–plastic model will likely be lower than the elastic case, and the flash temperature will also be lower. Perhaps, the plastic deformation of asperities could effectively limit the magnitude of the flash temperature.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleDiscussion: “Modeling of Flash Temperature for Elastic Sliding Contact of Single Micro-Asperity Pair” (Wu, Z., Zhang, Y., Xu, Y., Jie, D., and Jackson, R. L., 2024, ASME J. Tribol., 146(1), p. 011702)
    typeJournal Paper
    journal volume146
    journal issue6
    journal titleJournal of Tribology
    identifier doi10.1115/1.4064510
    journal fristpage65501-1
    journal lastpage65501-2
    page2
    treeJournal of Tribology:;2024:;volume( 146 ):;issue: 006
    contenttypeFulltext
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