http://www.ub.edu/cmematerials/ca/taxocsv0/blanca ca http://www.ub.edu/cmematerials/ca/content/fosa-blanca <div class="field-group-tabs-wrapper field-group-tabs group-tab2 "><h2 class="element-invisible">Pestanyes verticals</h2><div class="vertical-tabs-panes"><input class="vertical-tabs-active-tab" type="hidden" /> <fieldset class="field-group-tab group-dades-generals collapsible collapsed form-wrapper" id="node_materials_rss_group_dades_generals"><legend><span class="fieldset-legend">Dades generals</span></legend><div class="fieldset-wrapper"><div class="field field-name-field-classificaci- field-type-taxonomy-term-reference field-label-above"><div class="field-label">Classificació:&nbsp;</div><div class="field-items"><div class="field-item even"><a href="/cmematerials/ca/taxocsv0/met%C3%A0llics" typeof="skos:Concept" property="rdfs:label skos:prefLabel">Metàl.lics</a></div><div class="field-item odd"><a href="/cmematerials/ca/taxocsv0/base-ferro" typeof="skos:Concept" property="rdfs:label skos:prefLabel">Base Ferro</a></div><div class="field-item even"><a href="/cmematerials/ca/taxocsv0/fosa" typeof="skos:Concept" property="rdfs:label skos:prefLabel">Fosa</a></div><div class="field-item odd"><a href="/cmematerials/ca/taxocsv0/blanca" typeof="skos:Concept" property="rdfs:label skos:prefLabel">Blanca</a></div></div></div><div class="field field-name-field-composicio-quimica field-type-text field-label-above"><div class="field-label">Composició química:&nbsp;</div><div class="field-items"><div class="field-item even"><p>4.18% C, 0.41% Si, 0.5% Mn, 0.03% S, 0.19%P, 0.98% Cr</p> </div></div></div></div></fieldset> <fieldset class="field-group-tab group-diagrames collapsible collapsed form-wrapper" id="node_materials_rss_group_diagrames"><legend><span class="fieldset-legend">Diagrames</span></legend><div class="fieldset-wrapper"><div class="field-collection-container clearfix"><div class="field field-name-field-g-diagramas field-type-field-collection field-label-above"><div class="field-label">Diagrames:&nbsp;</div><div class="field-items"><div class="field-item even"><div class="field-collection-view clearfix view-mode-full"><div class="entity entity-field-collection-item field-collection-item-field-g-diagramas clearfix" about="/cmematerials/ca/field-collection/field-g-diagramas/748" typeof=""> <div class="content"> <div class="field field-name-field-diagrames field-type-image field-label-above"><div class="field-label">Diagrames:&nbsp;</div><div class="field-items"><div class="field-item even"><img typeof="foaf:Image" src="http://www.ub.edu/cmematerials/sites/default/files/diagrames/Fosa%20blanca.JPG" width="368" height="537" alt="" title="DIAGRAMA DE FASES" /></div></div></div><div class="field field-name-field-diagrama-desc field-type-text-long field-label-above"><div class="field-label">Descripció:&nbsp;</div><div class="field-items"><div class="field-item even"><p>Amb línia contínua es pot observar el diagrama Fe-Fe₃C (cementita)el qual és un metastable i en línia discontínua el diagrama Fe-C(grafit) que és el diagrama estable i és el que s'utilitza en l'estudi de les foses.</p> <p>Nota. S'ha de tenir en compte que en les foses es parla de %C equivalent que és el %C+ 1/3%Si + 1/3%Mn. La línia vermella indica la composició estudiada.</p> </div></div></div> </div> </div> </div></div><div class="field-item odd"><div class="field-collection-view clearfix view-mode-full field-collection-view-final"><div class="entity entity-field-collection-item field-collection-item-field-g-diagramas clearfix" about="/cmematerials/ca/field-collection/field-g-diagramas/749" typeof=""> <div class="content"> <div class="field field-name-field-diagrames field-type-image field-label-above"><div class="field-label">Diagrames:&nbsp;</div><div class="field-items"><div class="field-item even"><img typeof="foaf:Image" src="http://www.ub.edu/cmematerials/sites/default/files/diagrames/Fosa%20blanca2.JPG" width="963" height="723" alt="" title="DIAGRAMA DE TRACTAMENTS TÈRMICS" /></div></div></div><div class="field field-name-field-diagrama-desc field-type-text-long field-label-above"><div class="field-label">Descripció:&nbsp;</div><div class="field-items"><div class="field-item even"><p>Diagrama TTT per a foses no aleades on es mostren diferents velocitats de refredament a partir del camp austenític.</p> </div></div></div> </div> </div> </div></div></div></div></div></div></fieldset> <fieldset class="field-group-tab group-caracteritzacio collapsible collapsed form-wrapper" id="node_materials_rss_group_caracteritzacio"><legend><span class="fieldset-legend"> Caracterització</span></legend><div class="fieldset-wrapper"><div class="field-collection-container clearfix"><div class="field field-name-field-g-microscopia-optica field-type-field-collection field-label-above"><div class="field-label">Microscòpia òptica:&nbsp;</div><div class="field-items"><div class="field-item even"><div class="field-collection-view clearfix view-mode-full field-collection-view-final"><div class="entity entity-field-collection-item field-collection-item-field-g-microscopia-optica clearfix" about="/cmematerials/ca/field-collection/field-g-microscopia-optica/747" typeof=""> <div class="content"> <div class="field field-name-field-microscopia-optica field-type-image field-label-above"><div class="field-label"> Microscòpia òptica:&nbsp;</div><div class="field-items"><div class="field-item even"><img typeof="foaf:Image" src="http://www.ub.edu/cmematerials/sites/default/files/microscopia_optica/Fosa%20blanca.JPG" width="483" height="320" alt="" /></div></div></div><div class="field field-name-field-microscopia-optica-prep field-type-text-long field-label-above"><div class="field-label">Preparació:&nbsp;</div><div class="field-items"><div class="field-item even"><p>Desbast fins a paper 1200 i polit amb pasta de diamant fins a 1/4 de micra. Atac amb Nital al 2% durant 10 segons.</p> </div></div></div><div class="field field-name-field-microscopia-optica-desc field-type-text-long field-label-above"><div class="field-label">Descripció:&nbsp;</div><div class="field-items"><div class="field-item even"><p>Ledeburita (perlita-cementita provinent de l'eutèctic austenita-cementita)</p> </div></div></div> </div> </div> </div></div></div></div></div></div></fieldset> <fieldset class="field-group-tab group-prgenerals collapsible collapsed form-wrapper" id="node_materials_rss_group_prgenerals"><legend><span class="fieldset-legend">Propietats generals</span></legend><div class="fieldset-wrapper"><div class="field field-name-field-densitat field-type-text field-label-above"><div class="field-label">Densitat:&nbsp;</div><div class="field-items"><div class="field-item even"><p>7.6-7.8 g/cm³</p> </div></div></div></div></fieldset> <fieldset class="field-group-tab group-prmecaniques collapsible collapsed form-wrapper" id="node_materials_rss_group_prmecaniques"><legend><span class="fieldset-legend">Propietats mecàniques</span></legend><div class="fieldset-wrapper"><div class="field field-name-field-comportament-traccio field-type-tablefield field-label-above"><div class="field-label">Comportament a tracció:&nbsp;</div><div class="field-items"><div class="field-item even"><div id="tablefield-wrapper-0" class="tablefield-wrapper"><table id="tablefield-0" class="tablefield sticky-enabled"> <thead><tr><th class="row_0 col_0"><p>Conformat per:</p> </th><th class="row_0 col_1"><p>σ_m (MPa)</p> </th><th class="row_0 col_2"><p>%A</p> </th><th class="row_0 col_3"><p>Impacte (J)</p> </th> </tr></thead> <tbody> <tr class="odd"><td class="row_1 col_0"><p>Colada </p> </td><td class="row_1 col_1"><p>232-463 </p> </td><td class="row_1 col_2"><p>Inferior 1% </p> </td><td class="row_1 col_3"><p>8-15</p> </td> </tr> </tbody> </table> </div></div></div></div><div class="field field-name-field-duresa field-type-tablefield field-label-above"><div class="field-label">Duresa:&nbsp;</div><div class="field-items"><div class="field-item even"><div id="tablefield-wrapper-0" class="tablefield-wrapper"><table id="tablefield-0" class="tablefield sticky-enabled"> <thead><tr><th class="row_0 col_0"><p>Conformat per:</p> </th><th class="row_0 col_1"><p>VICKERS</p> </th> </tr></thead> <tbody> <tr class="odd"><td class="row_1 col_0"><p>Colada </p> </td><td class="row_1 col_1"><p>350-450 </p> </td> </tr> </tbody> </table> </div></div></div></div></div></fieldset> <fieldset class="field-group-tab group-prelectriques collapsible collapsed form-wrapper" id="node_materials_rss_group_prelectriques"><legend><span class="fieldset-legend">Propietats elèctriques</span></legend><div class="fieldset-wrapper"><div class="field field-name-field-resistivitat-especifica field-type-tablefield field-label-above"><div class="field-label">Resistivitat especifica:&nbsp;</div><div class="field-items"><div class="field-item even"><div id="tablefield-wrapper-0" class="tablefield-wrapper"><table id="tablefield-0" class="tablefield sticky-enabled"> <thead><tr><th class="row_0 col_0"><p>A la temperatura de:</p> </th><th class="row_0 col_1"><p>Resistivitat especifica</p> </th> </tr></thead> <tbody> <tr class="odd"><td class="row_1 col_0"><p>T_amb</p> </td><td class="row_1 col_1"><p>5.3x10^-5 ohm·cm</p> </td> </tr> </tbody> </table> </div></div></div></div></div></fieldset> <fieldset class="field-group-tab group-prtermiques collapsible collapsed form-wrapper" id="node_materials_rss_group_prtermiques"><legend><span class="fieldset-legend">Propietats tèrmiques</span></legend><div class="fieldset-wrapper"><div class="field field-name-field-coeficient-expan-lineal field-type-tablefield field-label-above"><div class="field-label">Coeficient de dilatació tèrmica lineal:&nbsp;</div><div class="field-items"><div class="field-item even"><div id="tablefield-wrapper-0" class="tablefield-wrapper"><table id="tablefield-0" class="tablefield sticky-enabled"> <thead><tr><th class="row_0 col_0"><p>Ala temperatura de:</p> </th><th class="row_0 col_1"><p>Coeficient de dilatació tèrmica lineal</p> </th> </tr></thead> <tbody> <tr class="odd"><td class="row_1 col_0"><p>0-276 °C</p> </td><td class="row_1 col_1"><p>10-11x10^-6</p> </td> </tr> <tr class="even"><td class="row_2 col_0"><p>276-684 ºC</p> </td><td class="row_2 col_1"><p>15.9-16.4x10^-6</p> </td> </tr> </tbody> </table> </div></div></div></div><div class="field field-name-field-conductivitat-termica field-type-tablefield field-label-above"><div class="field-label">Conductivitat tèrmica:&nbsp;</div><div class="field-items"><div class="field-item even"><div id="tablefield-wrapper-0" class="tablefield-wrapper"><table id="tablefield-0" class="tablefield sticky-enabled"> <thead><tr><th class="row_0 col_0"><p>Ala temperatura de:</p> </th><th class="row_0 col_1"><p>Conductivitat tèrmica</p> </th> </tr></thead> <tbody> <tr class="odd"><td class="row_1 col_0"><p>T_amb</p> </td><td class="row_1 col_1"><p>15-32 W/m·°C</p> </td> </tr> </tbody> </table> </div></div></div></div><div class="field field-name-field-capacitat-calorifica-espec field-type-tablefield field-label-above"><div class="field-label">Capacitat calorífica específica:&nbsp;</div><div class="field-items"><div class="field-item even"><div id="tablefield-wrapper-0" class="tablefield-wrapper"><table id="tablefield-0" class="tablefield sticky-enabled"> <thead><tr><th class="row_0 col_0"><p>Ala temperatura de:</p> </th><th class="row_0 col_1"><p>Capacitat calorífica específica</p> </th> </tr></thead> <tbody> <tr class="odd"><td class="row_1 col_0"><p>100ºC</p> </td><td class="row_1 col_1"><p>0.565 J/g.°C </p> </td> </tr> <tr class="even"><td class="row_2 col_0"><p>1000ºC</p> </td><td class="row_2 col_1"><p>0.963 J/g.ºC </p> </td> </tr> </tbody> </table> </div></div></div></div></div></fieldset> <fieldset class="field-group-htab group-prtecnologiques collapsible collapsed form-wrapper" id="node_materials_rss_group_prtecnologiques"><legend><span class="fieldset-legend">Propietats tecnològiques</span></legend><div class="fieldset-wrapper"><div class="field field-name-field-mecanitzat field-type-text field-label-above"><div class="field-label">Mecanització:&nbsp;</div><div class="field-items"><div class="field-item even"><p>Bona</p> </div></div></div><div class="field field-name-field-soldabilitat field-type-text field-label-above"><div class="field-label">Soldabilitat:&nbsp;</div><div class="field-items"><div class="field-item even"><p>Bona</p> </div></div></div><div class="field field-name-field-formabilitat field-type-text field-label-above"><div class="field-label">Formabilitat:&nbsp;</div><div class="field-items"><div class="field-item even"><p>Peces colades en forma quasi final</p> </div></div></div><div class="field field-name-field-reciclabilitat field-type-text field-label-above"><div class="field-label">Reciclabilitat:&nbsp;</div><div class="field-items"><div class="field-item even"><p>Es recuperen com a xatarra</p> </div></div></div></div></fieldset> <fieldset class="field-group-htab group-prquimiques collapsible collapsed form-wrapper" id="node_materials_rss_group_prquimiques"><legend><span class="fieldset-legend">Propietats químiques</span></legend><div class="fieldset-wrapper"><div class="field field-name-field-obs-prop-quimi field-type-text-with-summary field-label-above"><div class="field-label">Observacions:&nbsp;</div><div class="field-items"><div class="field-item even"><p>Feble resistència a la corrosió atmosfèrica. Nul.la resistència a la corrosió a elevada temperatura</p> </div></div></div></div></fieldset> </div></div><ul class="links inline"><li class="translation_es first last"><a href="/cmematerials/es/content/fundici%C3%B3n-blanca" title="Fundición blanca" class="translation-link">Español</a></li> </ul> Mon, 10 Jun 2013 08:48:20 +0000 editor 140 at http://www.ub.edu/cmematerials http://www.ub.edu/cmematerials/ca/content/fosa-blanca#comments