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    The Prevention of Central Bursts During Rolling

    Source: Journal of Manufacturing Science and Engineering:;1988:;volume( 110 ):;issue: 002::page 173
    Author:
    B. Avitzur
    ,
    C. J. Van Tyne
    ,
    S. Turczyn
    DOI: 10.1115/1.3187866
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: An upper bound analysis has been developed to model the flat rolling of a perfectly plastic material. A rigid body rotational velocity field was assumed for the deformation region. This field permits the possible formation of an internal void. The process conditions under which it is energetically favorable for a void to develop have been determined. It has been found that internal void formation (central burst) is more likely to occur in thick strips and sheets when small reductions are taken. Both front and back tension tend to promote the development of a central burst with the back tension reducing the safe, noncentral burst domain to a greater degree. Criteria curves for the central burst domain and the safe domain are presented for a wide range of process variables.
    keyword(s): Deformation , Strips , Tension AND Plastics ,
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      The Prevention of Central Bursts During Rolling

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/104136
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    contributor authorB. Avitzur
    contributor authorC. J. Van Tyne
    contributor authorS. Turczyn
    date accessioned2017-05-08T23:27:37Z
    date available2017-05-08T23:27:37Z
    date copyrightMay, 1988
    date issued1988
    identifier issn1087-1357
    identifier otherJMSEFK-27730#173_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/104136
    description abstractAn upper bound analysis has been developed to model the flat rolling of a perfectly plastic material. A rigid body rotational velocity field was assumed for the deformation region. This field permits the possible formation of an internal void. The process conditions under which it is energetically favorable for a void to develop have been determined. It has been found that internal void formation (central burst) is more likely to occur in thick strips and sheets when small reductions are taken. Both front and back tension tend to promote the development of a central burst with the back tension reducing the safe, noncentral burst domain to a greater degree. Criteria curves for the central burst domain and the safe domain are presented for a wide range of process variables.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleThe Prevention of Central Bursts During Rolling
    typeJournal Paper
    journal volume110
    journal issue2
    journal titleJournal of Manufacturing Science and Engineering
    identifier doi10.1115/1.3187866
    journal fristpage173
    journal lastpage178
    identifier eissn1528-8935
    keywordsDeformation
    keywordsStrips
    keywordsTension AND Plastics
    treeJournal of Manufacturing Science and Engineering:;1988:;volume( 110 ):;issue: 002
    contenttypeFulltext
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