Made available in DSpace on 2018-12-20T13:40:04Z (GMT). No. of bitstreams: 1 tese_12770_Bruno Filipe da Penha Sperandio.pdf: 1944165 bytes, checksum: 2b230268325b483e0f83043bc56ee579 (MD5) Previous issue date: 2018-08-31Neste trabalho foram realizados ensaios de espectroscopia de impedância eletroquímica no potencial de circuito aberto em amostras de aço duplex UNS S39209 depositado por soldagem TIG em chapas de aço ASTM A36. Foi utilizado uma solução de 33% H2SO4 + 0,5% HCL com perturbações na ordem de ±10mV variando a frequência de 100Khz até 10mhz e 10 pontos por década variando no potencial. A fim de avaliar a resistência à corrosão do aço duplex, relacionar com a fração volumétrica ferrita/austenita e comparar com os resultados encon...
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Submitted by Christianne Fontes de Andrade (cfontes@ct.ufrj.br) on 2019-06-06T13:30:34Z No. of bitst...
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Submitted by Christianne Fontes de Andrade (cfontes@ct.ufrj.br) on 2019-06-06T13:30:34Z No. of bitst...
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Exportado OPUSMade available in DSpace on 2019-08-09T20:51:35Z (GMT). No. of bitstreams: 1 disserta_...
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Submitted by Christianne Fontes de Andrade (cfontes@ct.ufrj.br) on 2019-06-06T13:30:34Z No. of bitst...
Made available in DSpace on 2018-08-02T00:02:56Z (GMT). No. of bitstreams: 1 tese_10933_MANOELA KENU...