Thixotropic rheology of semisolid metal suspensions

Thixotropic rheology of semisolid metal suspensions

Understanding the time-dependent flow behavior of semisolid materials (SSM) is essential for the simulation of semisolid processes. During processing, the structure of the material changes with the processing history due to agglomeration and de-agglomeration of particles or particle-particle interac...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Journal of materials processing technology 2001-03, Vol.111 (2), p.164-176
Hauptverfasser: Burgos, G R, Alexandrou, A N, Entov, V
Format: Artikel
Sprache:eng
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page 176
container_issue 2
container_start_page 164
container_title Journal of materials processing technology
container_volume 111
creator Burgos, G R
Alexandrou, A N
Entov, V
description Understanding the time-dependent flow behavior of semisolid materials (SSM) is essential for the simulation of semisolid processes. During processing, the structure of the material changes with the processing history due to agglomeration and de-agglomeration of particles or particle-particle interactions. Analysis of experimental results show that the transient behavior of SSM at constant structure is shear thickening, and there exists a shear-dependent finite yield stress. The flow of SSM is modeled using the Herschel-Bulkley fluid model. The yield stress, the consistency index, and the power-law index are assumed to be functions of the solid volume fraction and a structural parameter that changes with the processing history. The evolution of the structural parameter is described by a first-order kinetic differential equation. The model is implemented into a 3-d computer code to predict the isothermal flow field, yield surfaces, and distribution of parameters in a channel flow.
format Article
fullrecord <record><control><sourceid>proquest</sourceid><recordid>TN_cdi_proquest_miscellaneous_27017639</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>27017639</sourcerecordid><originalsourceid>FETCH-proquest_miscellaneous_270176393</originalsourceid><addsrcrecordid>eNqNjTkOwjAQAF2ARDj-4IoukhOjHDUC8YD0kRU2xGjjNV5bgt-TggdQTTOjWYlMteUpV4WuNmLL_FSqqFXTZEJ3k31TDOTtIMMEhPT4SBolw2yZ0N7lDNGg5MQeHFtyvBfr0SDD4cedOF4v3fmW-0CvBBz7JR0A0TigxH1ZL7dKt_pv8QuaLDfa</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>27017639</pqid></control><display><type>article</type><title>Thixotropic rheology of semisolid metal suspensions</title><source>Elsevier ScienceDirect Journals</source><creator>Burgos, G R ; Alexandrou, A N ; Entov, V</creator><creatorcontrib>Burgos, G R ; Alexandrou, A N ; Entov, V</creatorcontrib><description>Understanding the time-dependent flow behavior of semisolid materials (SSM) is essential for the simulation of semisolid processes. During processing, the structure of the material changes with the processing history due to agglomeration and de-agglomeration of particles or particle-particle interactions. Analysis of experimental results show that the transient behavior of SSM at constant structure is shear thickening, and there exists a shear-dependent finite yield stress. The flow of SSM is modeled using the Herschel-Bulkley fluid model. The yield stress, the consistency index, and the power-law index are assumed to be functions of the solid volume fraction and a structural parameter that changes with the processing history. The evolution of the structural parameter is described by a first-order kinetic differential equation. The model is implemented into a 3-d computer code to predict the isothermal flow field, yield surfaces, and distribution of parameters in a channel flow.</description><identifier>ISSN: 0924-0136</identifier><language>eng</language><ispartof>Journal of materials processing technology, 2001-03, Vol.111 (2), p.164-176</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780</link.rule.ids></links><search><creatorcontrib>Burgos, G R</creatorcontrib><creatorcontrib>Alexandrou, A N</creatorcontrib><creatorcontrib>Entov, V</creatorcontrib><title>Thixotropic rheology of semisolid metal suspensions</title><title>Journal of materials processing technology</title><description>Understanding the time-dependent flow behavior of semisolid materials (SSM) is essential for the simulation of semisolid processes. During processing, the structure of the material changes with the processing history due to agglomeration and de-agglomeration of particles or particle-particle interactions. Analysis of experimental results show that the transient behavior of SSM at constant structure is shear thickening, and there exists a shear-dependent finite yield stress. The flow of SSM is modeled using the Herschel-Bulkley fluid model. The yield stress, the consistency index, and the power-law index are assumed to be functions of the solid volume fraction and a structural parameter that changes with the processing history. The evolution of the structural parameter is described by a first-order kinetic differential equation. The model is implemented into a 3-d computer code to predict the isothermal flow field, yield surfaces, and distribution of parameters in a channel flow.</description><issn>0924-0136</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqNjTkOwjAQAF2ARDj-4IoukhOjHDUC8YD0kRU2xGjjNV5bgt-TggdQTTOjWYlMteUpV4WuNmLL_FSqqFXTZEJ3k31TDOTtIMMEhPT4SBolw2yZ0N7lDNGg5MQeHFtyvBfr0SDD4cedOF4v3fmW-0CvBBz7JR0A0TigxH1ZL7dKt_pv8QuaLDfa</recordid><startdate>20010319</startdate><enddate>20010319</enddate><creator>Burgos, G R</creator><creator>Alexandrou, A N</creator><creator>Entov, V</creator><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20010319</creationdate><title>Thixotropic rheology of semisolid metal suspensions</title><author>Burgos, G R ; Alexandrou, A N ; Entov, V</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_miscellaneous_270176393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Burgos, G R</creatorcontrib><creatorcontrib>Alexandrou, A N</creatorcontrib><creatorcontrib>Entov, V</creatorcontrib><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of materials processing technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Burgos, G R</au><au>Alexandrou, A N</au><au>Entov, V</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thixotropic rheology of semisolid metal suspensions</atitle><jtitle>Journal of materials processing technology</jtitle><date>2001-03-19</date><risdate>2001</risdate><volume>111</volume><issue>2</issue><spage>164</spage><epage>176</epage><pages>164-176</pages><issn>0924-0136</issn><abstract>Understanding the time-dependent flow behavior of semisolid materials (SSM) is essential for the simulation of semisolid processes. During processing, the structure of the material changes with the processing history due to agglomeration and de-agglomeration of particles or particle-particle interactions. Analysis of experimental results show that the transient behavior of SSM at constant structure is shear thickening, and there exists a shear-dependent finite yield stress. The flow of SSM is modeled using the Herschel-Bulkley fluid model. The yield stress, the consistency index, and the power-law index are assumed to be functions of the solid volume fraction and a structural parameter that changes with the processing history. The evolution of the structural parameter is described by a first-order kinetic differential equation. The model is implemented into a 3-d computer code to predict the isothermal flow field, yield surfaces, and distribution of parameters in a channel flow.</abstract></addata></record>
fulltext fulltext
identifier ISSN: 0924-0136
ispartof Journal of materials processing technology, 2001-03, Vol.111 (2), p.164-176
issn 0924-0136
language eng
recordid cdi_proquest_miscellaneous_27017639
source Elsevier ScienceDirect Journals
title Thixotropic rheology of semisolid metal suspensions
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-28T01%3A29%3A50IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Thixotropic%20rheology%20of%20semisolid%20metal%20suspensions&rft.jtitle=Journal%20of%20materials%20processing%20technology&rft.au=Burgos,%20G%20R&rft.date=2001-03-19&rft.volume=111&rft.issue=2&rft.spage=164&rft.epage=176&rft.pages=164-176&rft.issn=0924-0136&rft_id=info:doi/&rft_dat=%3Cproquest%3E27017639%3C/proquest%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=27017639&rft_id=info:pmid/&rfr_iscdi=true