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    Modeling of Residual Stress in Grinding of Nodular Cast Iron

    Source: Journal of Manufacturing Science and Engineering:;2002:;volume( 124 ):;issue: 004::page 833
    Author:
    Guoxian Xiao
    ,
    Ihab M. Hanna
    ,
    Scott A. Hucker
    ,
    Robin Stevenson
    DOI: 10.1115/1.1510519
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In grinding operations, the high specific energy generates high temperatures in the grinding zone, and therefore causes various types of thermal damage on the workpiece surface such as burn or high tensile residual stresses. High tensile residual stresses attract significant attention because they may initiate cracks on the surface, either immediately after grinding or under in-service loading. Cracking will significantly reduce component life. Thus, avoidance of surface damage in general, and residual stresses in particular, dominates any discussion of quality/productivity trade-offs in grinding. By increasing the material removal rate (MRR) productivity is enhanced but the temperature and temperature gradient in the grinding zone are increased as is the likelihood and severity of surface damage. Currently there is no analytic or numerical tool for predicting residual stresses in ground parts. Thus developing a robust grinding process while minimizing residual stress is a lengthy trial and error process. This report proposes an analytic model, based on the temperature profile in the workpiece, for predicting the severity of the residual stress under various grinding cycles. Further, the model also comprehends the cumulative effects of multiple grinding passes (which are routinely employed in any production grinding environment) and predicts the final residual stress after the complete process cycle has been completed. In addition to achieving excellent correlation with measured residual stresses, the validity of the model assumptions was evaluated and independently verified.
    keyword(s): Temperature , Grinding , Stress AND Cycles ,
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      Modeling of Residual Stress in Grinding of Nodular Cast Iron

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    http://yetl.yabesh.ir/yetl1/handle/yetl/127044
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    contributor authorGuoxian Xiao
    contributor authorIhab M. Hanna
    contributor authorScott A. Hucker
    contributor authorRobin Stevenson
    date accessioned2017-05-09T00:07:56Z
    date available2017-05-09T00:07:56Z
    date copyrightNovember, 2002
    date issued2002
    identifier issn1087-1357
    identifier otherJMSEFK-27637#833_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/127044
    description abstractIn grinding operations, the high specific energy generates high temperatures in the grinding zone, and therefore causes various types of thermal damage on the workpiece surface such as burn or high tensile residual stresses. High tensile residual stresses attract significant attention because they may initiate cracks on the surface, either immediately after grinding or under in-service loading. Cracking will significantly reduce component life. Thus, avoidance of surface damage in general, and residual stresses in particular, dominates any discussion of quality/productivity trade-offs in grinding. By increasing the material removal rate (MRR) productivity is enhanced but the temperature and temperature gradient in the grinding zone are increased as is the likelihood and severity of surface damage. Currently there is no analytic or numerical tool for predicting residual stresses in ground parts. Thus developing a robust grinding process while minimizing residual stress is a lengthy trial and error process. This report proposes an analytic model, based on the temperature profile in the workpiece, for predicting the severity of the residual stress under various grinding cycles. Further, the model also comprehends the cumulative effects of multiple grinding passes (which are routinely employed in any production grinding environment) and predicts the final residual stress after the complete process cycle has been completed. In addition to achieving excellent correlation with measured residual stresses, the validity of the model assumptions was evaluated and independently verified.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleModeling of Residual Stress in Grinding of Nodular Cast Iron
    typeJournal Paper
    journal volume124
    journal issue4
    journal titleJournal of Manufacturing Science and Engineering
    identifier doi10.1115/1.1510519
    journal fristpage833
    journal lastpage839
    identifier eissn1528-8935
    keywordsTemperature
    keywordsGrinding
    keywordsStress AND Cycles
    treeJournal of Manufacturing Science and Engineering:;2002:;volume( 124 ):;issue: 004
    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
    yabeshDSpacePersian