Impact and fracture resistance of an experimental acrylic polymer with elastomer in different proportions

Detalhes bibliográficos
Autor(a) principal: Pires-de-Souza,Fernanda de Carvalho Panzeri
Data de Publicação: 2009
Outros Autores: Panzeri,Heitor, Vieira,Marcelo Aparecido, Garcia,Lucas da Fonseca Roberti, Consani,Simonides
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Materials research (São Carlos. Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392009000400007
Resumo: The purpose of this study was to evaluate the impact and fracture resistance of acrylic resins: a heat-polymerized resin, a high-impact resin and an experimental polymethyl methacrylate with elastomer in different proportions (10, 20, 40 and 60%). 120 specimens were fabricated and submitted to conventional heat-polymerization. For impact test, a Charpy-type impact tester was used. Fracture resistance was assessed with a 3-point bending test by using a mechanical testing machine. Ten specimens were used for each test. Fracture (MPa) and impact resistance values (J.m-1) were submitted to ANOVA - Bonferroni's test - 5% significance level. Materials with higher amount of elastomer had statistically significant differences regarding to impact resistance (p < 0.05). Fracture resistance was superior (p < 0.01) for high-resistance acrylic resin. The increase in elastomer concentration added to polymethyl methacrylate raised the impact resistance and decreased the fracture resistance. Processing the material by injection decreased its resistance to impact and fracture.
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spelling Impact and fracture resistance of an experimental acrylic polymer with elastomer in different proportionsimpact testingfracture toughnesspoly (methyl methacrylate)elastomerThe purpose of this study was to evaluate the impact and fracture resistance of acrylic resins: a heat-polymerized resin, a high-impact resin and an experimental polymethyl methacrylate with elastomer in different proportions (10, 20, 40 and 60%). 120 specimens were fabricated and submitted to conventional heat-polymerization. For impact test, a Charpy-type impact tester was used. Fracture resistance was assessed with a 3-point bending test by using a mechanical testing machine. Ten specimens were used for each test. Fracture (MPa) and impact resistance values (J.m-1) were submitted to ANOVA - Bonferroni's test - 5% significance level. Materials with higher amount of elastomer had statistically significant differences regarding to impact resistance (p < 0.05). Fracture resistance was superior (p < 0.01) for high-resistance acrylic resin. The increase in elastomer concentration added to polymethyl methacrylate raised the impact resistance and decreased the fracture resistance. Processing the material by injection decreased its resistance to impact and fracture.ABM, ABC, ABPol2009-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392009000400007Materials Research v.12 n.4 2009reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/S1516-14392009000400007info:eu-repo/semantics/openAccessPires-de-Souza,Fernanda de Carvalho PanzeriPanzeri,HeitorVieira,Marcelo AparecidoGarcia,Lucas da Fonseca RobertiConsani,Simonideseng2010-01-19T00:00:00Zoai:scielo:S1516-14392009000400007Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2010-01-19T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false
dc.title.none.fl_str_mv Impact and fracture resistance of an experimental acrylic polymer with elastomer in different proportions
title Impact and fracture resistance of an experimental acrylic polymer with elastomer in different proportions
spellingShingle Impact and fracture resistance of an experimental acrylic polymer with elastomer in different proportions
Pires-de-Souza,Fernanda de Carvalho Panzeri
impact testing
fracture toughness
poly (methyl methacrylate)
elastomer
title_short Impact and fracture resistance of an experimental acrylic polymer with elastomer in different proportions
title_full Impact and fracture resistance of an experimental acrylic polymer with elastomer in different proportions
title_fullStr Impact and fracture resistance of an experimental acrylic polymer with elastomer in different proportions
title_full_unstemmed Impact and fracture resistance of an experimental acrylic polymer with elastomer in different proportions
title_sort Impact and fracture resistance of an experimental acrylic polymer with elastomer in different proportions
author Pires-de-Souza,Fernanda de Carvalho Panzeri
author_facet Pires-de-Souza,Fernanda de Carvalho Panzeri
Panzeri,Heitor
Vieira,Marcelo Aparecido
Garcia,Lucas da Fonseca Roberti
Consani,Simonides
author_role author
author2 Panzeri,Heitor
Vieira,Marcelo Aparecido
Garcia,Lucas da Fonseca Roberti
Consani,Simonides
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Pires-de-Souza,Fernanda de Carvalho Panzeri
Panzeri,Heitor
Vieira,Marcelo Aparecido
Garcia,Lucas da Fonseca Roberti
Consani,Simonides
dc.subject.por.fl_str_mv impact testing
fracture toughness
poly (methyl methacrylate)
elastomer
topic impact testing
fracture toughness
poly (methyl methacrylate)
elastomer
description The purpose of this study was to evaluate the impact and fracture resistance of acrylic resins: a heat-polymerized resin, a high-impact resin and an experimental polymethyl methacrylate with elastomer in different proportions (10, 20, 40 and 60%). 120 specimens were fabricated and submitted to conventional heat-polymerization. For impact test, a Charpy-type impact tester was used. Fracture resistance was assessed with a 3-point bending test by using a mechanical testing machine. Ten specimens were used for each test. Fracture (MPa) and impact resistance values (J.m-1) were submitted to ANOVA - Bonferroni's test - 5% significance level. Materials with higher amount of elastomer had statistically significant differences regarding to impact resistance (p < 0.05). Fracture resistance was superior (p < 0.01) for high-resistance acrylic resin. The increase in elastomer concentration added to polymethyl methacrylate raised the impact resistance and decreased the fracture resistance. Processing the material by injection decreased its resistance to impact and fracture.
publishDate 2009
dc.date.none.fl_str_mv 2009-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392009000400007
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392009000400007
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1516-14392009000400007
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv ABM, ABC, ABPol
publisher.none.fl_str_mv ABM, ABC, ABPol
dc.source.none.fl_str_mv Materials Research v.12 n.4 2009
reponame:Materials research (São Carlos. Online)
instname:Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
instname_str Universidade Federal de São Carlos (UFSCAR)
instacron_str ABM ABC ABPOL
institution ABM ABC ABPOL
reponame_str Materials research (São Carlos. Online)
collection Materials research (São Carlos. Online)
repository.name.fl_str_mv Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)
repository.mail.fl_str_mv dedz@power.ufscar.br
_version_ 1754212659321896960

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