INFLUENCE OF RIB THICKNESS ON THE SOLIDIFICATION OF CAST PARTS
The ribs applied to the walls of cast parts are designed for enhancing both stiffness and aesthetics. The presence of ribs modifies the conditions of heat transmission and implicitly the solidification of the alloy in the joining area of the rib to the part wall. This is highlighted by the modified...
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| Veröffentlicht in: | Annals of "Dunarea de Jos" University Galati 2010-12, Vol.28 (4), p.24-32 |
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| container_title | Annals of "Dunarea de Jos" University Galati |
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| creator | Ciobanu, Ioan Tutuianu, Diana Bedo, Tibor Crisan, Aurel |
| description | The ribs applied to the walls of cast parts are designed for enhancing both stiffness and aesthetics. The presence of ribs modifies the conditions of heat transmission and implicitly the solidification of the alloy in the joining area of the rib to the part wall. This is highlighted by the modified radius of the circles inscribed in the rib-wall joining area. The diameter of the circles inscribed in this area is greater than of those in the rest of the part wall. This leads to the assumption that the solidification of the alloy in this area is slowed. The paper presents the results of a study concerning the influence of rib thickness on the duration of cast part solidification and on the position of the hot spots. The study was conducted by computer simulation of solidification. The results have revealed that in certain situations (thin ribs compared to wall thickness) the ribs cause an acceleration of the solidification of cast parts. The thickness of ribs ensuring the maximum cooling effect is determined. |
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The presence of ribs modifies the conditions of heat transmission and implicitly the solidification of the alloy in the joining area of the rib to the part wall. This is highlighted by the modified radius of the circles inscribed in the rib-wall joining area. The diameter of the circles inscribed in this area is greater than of those in the rest of the part wall. This leads to the assumption that the solidification of the alloy in this area is slowed. The paper presents the results of a study concerning the influence of rib thickness on the duration of cast part solidification and on the position of the hot spots. The study was conducted by computer simulation of solidification. The results have revealed that in certain situations (thin ribs compared to wall thickness) the ribs cause an acceleration of the solidification of cast parts. 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The presence of ribs modifies the conditions of heat transmission and implicitly the solidification of the alloy in the joining area of the rib to the part wall. This is highlighted by the modified radius of the circles inscribed in the rib-wall joining area. The diameter of the circles inscribed in this area is greater than of those in the rest of the part wall. This leads to the assumption that the solidification of the alloy in this area is slowed. The paper presents the results of a study concerning the influence of rib thickness on the duration of cast part solidification and on the position of the hot spots. The study was conducted by computer simulation of solidification. The results have revealed that in certain situations (thin ribs compared to wall thickness) the ribs cause an acceleration of the solidification of cast parts. The thickness of ribs ensuring the maximum cooling effect is determined.</description><subject>Computer simulation</subject><subject>Cooling effects</subject><subject>Heat transmission</subject><subject>Hot spots</subject><subject>Joining</subject><subject>Ribs</subject><subject>Solidification</subject><subject>Walls</subject><issn>1453-083X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNpjYeA0NDE11jWwMI7gYOAtLs5MMjA2MzIxNDc35GSw8_Rz8wl19XN2VfB3UwjydFII8fB09vZzDQ5W8PcDclwVgv19PF083TydHUM8gUJAZc6OwSEKAY5BIcE8DKxpiTnFqbxQmptBw801xNlDt6Aov7A0tbgkPjezODk1JycxLzW_tDje0MDQ0szUzNDMyJgEpQADrjYu</recordid><startdate>20101201</startdate><enddate>20101201</enddate><creator>Ciobanu, Ioan</creator><creator>Tutuianu, Diana</creator><creator>Bedo, Tibor</creator><creator>Crisan, Aurel</creator><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20101201</creationdate><title>INFLUENCE OF RIB THICKNESS ON THE SOLIDIFICATION OF CAST PARTS</title><author>Ciobanu, Ioan ; Tutuianu, Diana ; Bedo, Tibor ; Crisan, Aurel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_miscellaneous_10196561623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Computer simulation</topic><topic>Cooling effects</topic><topic>Heat transmission</topic><topic>Hot spots</topic><topic>Joining</topic><topic>Ribs</topic><topic>Solidification</topic><topic>Walls</topic><toplevel>online_resources</toplevel><creatorcontrib>Ciobanu, Ioan</creatorcontrib><creatorcontrib>Tutuianu, Diana</creatorcontrib><creatorcontrib>Bedo, Tibor</creatorcontrib><creatorcontrib>Crisan, Aurel</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Annals of "Dunarea de Jos" University Galati</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ciobanu, Ioan</au><au>Tutuianu, Diana</au><au>Bedo, Tibor</au><au>Crisan, Aurel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>INFLUENCE OF RIB THICKNESS ON THE SOLIDIFICATION OF CAST PARTS</atitle><jtitle>Annals of "Dunarea de Jos" University Galati</jtitle><date>2010-12-01</date><risdate>2010</risdate><volume>28</volume><issue>4</issue><spage>24</spage><epage>32</epage><pages>24-32</pages><issn>1453-083X</issn><abstract>The ribs applied to the walls of cast parts are designed for enhancing both stiffness and aesthetics. The presence of ribs modifies the conditions of heat transmission and implicitly the solidification of the alloy in the joining area of the rib to the part wall. This is highlighted by the modified radius of the circles inscribed in the rib-wall joining area. The diameter of the circles inscribed in this area is greater than of those in the rest of the part wall. This leads to the assumption that the solidification of the alloy in this area is slowed. The paper presents the results of a study concerning the influence of rib thickness on the duration of cast part solidification and on the position of the hot spots. The study was conducted by computer simulation of solidification. The results have revealed that in certain situations (thin ribs compared to wall thickness) the ribs cause an acceleration of the solidification of cast parts. The thickness of ribs ensuring the maximum cooling effect is determined.</abstract></addata></record> |
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| ispartof | Annals of "Dunarea de Jos" University Galati, 2010-12, Vol.28 (4), p.24-32 |
| issn | 1453-083X |
| language | eng |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Computer simulation Cooling effects Heat transmission Hot spots Joining Ribs Solidification Walls |
| title | INFLUENCE OF RIB THICKNESS ON THE SOLIDIFICATION OF CAST PARTS |
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