{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,6,27]],"date-time":"2022-06-27T10:48:30Z","timestamp":1656326910302},"reference-count":14,"publisher":"FapUNIFESP (SciELO)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pol\u00edmeros"],"published-print":{"date-parts":[[2009]]},"abstract":"<jats:p>Neste trabalho foram investigadas as caracter\u00edsticas de amostras de p\u00f3 de polietileno de ultra alto peso molecular (PEUAPM), tais como porosidade, morfologia, tamanho m\u00e9dio e distribui\u00e7\u00e3o de part\u00edcula, que s\u00e3o importantes na moldagem por compress\u00e3o a frio. Tamb\u00e9m foi avaliada a influ\u00eancia dessas caracter\u00edsticas na densidade a verde de pr\u00e9-formas. As amostras dos p\u00f3s foram caracterizadas por calorimetria diferencial de varredura (DSC), an\u00e1lise granulom\u00e9trica, absor\u00e7\u00e3o de \u00f3leo, \u00e1rea superficial, porosimetria de merc\u00fario, fluidez do p\u00f3, densidade de compacta\u00e7\u00e3o, densidade aparente e microscopia eletr\u00f4nica de varredura (MEV). Atrav\u00e9s das t\u00e9cnicas de caracteriza\u00e7\u00e3o estudadas ficou evidenciado que as caracter\u00edsticas da part\u00edcula citadas anteriormente, assim como o par\u00e2metro de densifica\u00e7\u00e3o (DP), que \u00e9 fun\u00e7\u00e3o direta da porosidade interparticular, favorecem a densidade a verde relativa (DVR) e consequentemente a tens\u00e3o de resist\u00eancia \u00e0 flex\u00e3o (TRF).<\/jats:p>","DOI":"10.1590\/s0104-14282009000300011","type":"journal-article","created":{"date-parts":[[2009,10,29]],"date-time":"2009-10-29T02:44:18Z","timestamp":1256784258000},"page":"224-230","source":"Crossref","is-referenced-by-count":2,"title":["Moldagem por compress\u00e3o a frio do polietileno de ultra alto peso molecular. Parte 1: influ\u00eancia do tamanho, distribui\u00e7\u00e3o e morfologia da part\u00edcula na densidade a verde"],"prefix":"10.1590","volume":"19","author":[{"given":"Bernadete A.","family":"Bittencourt","sequence":"first","affiliation":[{"name":"Braskem S\/A"}]},{"given":"Manoela V.","family":"Ellwanger","sequence":"additional","affiliation":[{"name":"Braskem S\/A"}]},{"given":"Walber A. do","family":"Nascimento","sequence":"additional","affiliation":[{"name":"UFCG"}]},{"given":"Luiz F.","family":"Belchior","sequence":"additional","affiliation":[{"name":"UFSCar"}]},{"given":"Edcleide M.","family":"Ara\u00fajo","sequence":"additional","affiliation":[{"name":"UFCG"}]},{"given":"Tom\u00e1s J. 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