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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Estudo do diagrama ternario ferro-aluminio-niobio

Zelaya Bejarano, Jose Miguel 16 December 1993 (has links)
Orientadores: Sergio Gama, Ana Maria Martinez Nazar / Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica / Made available in DSpace on 2018-07-18T23:24:47Z (GMT). No. of bitstreams: 1 ZelayaBejarano_JoseMiguel_D.pdf: 6168548 bytes, checksum: 0f0e823165e0e13d2f779a07ca1d1656 (MD5) Previous issue date: 1993 / Resumo: O diagrama de fases ternário Ferro-Alumínio-Nióbio é estudado usando técnicas experimentais como metalografia, Análise Térmica Diferencial (ATD), microanálises puntuais quantitativas (MEV) e difratrometria de raios-X. Primeiramente se faz um estudo do sistema binário Fe-Nb, uma avaliação rápida do sistema Fe-AI e finalmente se constroi a isoterma a 1000°C do sistema Fe-AI-Nb, assim como a superfície líquidus deste sistema ternário...Observação: O resumo, na íntegra, poderá ser visualizado no texto completo da tese digital / Abstract: The Iron-Niobium-Aluminium ternary phase diagram is studied using experimental techniques as metallographic and Differential Thermal Analysis (DTA), quantitative Scanning Electron Microanalysis (SEM) and X-ray difractometry. First the Fe-Nb system is studied, second our assesment of Fe-AI system is done and finally the isotherm at 1000.C of the Fe-Nb-AI was built. The scketch of the liquidus surface of this system is proposed...Note: The complete abstract is available with the full electronic digital thesis or dissertations / Doutorado / Doutor em Engenharia Mecânica

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