Resistência à corrosão do vergalhão em solução simulada de poros de betão
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Resistência à corrosão do vergalhão em solução simulada de poros de betão

Resistência à corrosão do vergalhão em solução simulada de poros de betão


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About the Book

A corrosão é um fenómeno que ocorre naturalmente. Para limitar o comportamento de corrosão do aço de vergalhão em betão (solução simulada de poros de betão -SCPS), a utilização de inibidores é um método significativo. No presente estudo, foram estudados os seguintes oxianions como inibidores da corrosão: Permanganato de potássio (PP), molibdato de sódio (SM), fosfato tri-sódico (TSP), tartarato de sódio (SPT), dicromato de potássio (PDC) e citrato tri-sódico (TSC). Actuam como bons inibidores da corrosão Os aspectos mecanicistas da inibição da corrosão baseiam-se nos resultados obtidos com o método de perda de peso, o estudo de polarização, medições de espectros de impedância AC, espectroscopia de absorção visível UV, espectroscopia de fluorescência, técnicas de exame de superfície como espectroscopia FT-IR, Voltametria Cíclica, espectroscopia electrónica de varrimento (SEM) e análise dispersiva de energia de raios X (EDAX) e microscopia de força atómica (AFM). Os resultados do estudo de perda de peso mostram que a formulação constituída por 250 ppm de Inibidor e 50 ppm Zn2+ tem maior percentagem de eficiência de inibição da corrosão (IE), no controlo da corrosão do aço de vergalhão imerso em SCPS preparado em água de poço.


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Product Details
  • ISBN-13: 9786205388693
  • Publisher: KS Omniscriptum Publishing
  • Publisher Imprint: Edicoes Nosso Conhecimento
  • Height: 229 mm
  • No of Pages: 136
  • Spine Width: 8 mm
  • Width: 152 mm
  • ISBN-10: 6205388693
  • Publisher Date: 24 Nov 2022
  • Binding: Paperback
  • Language: Portuguese
  • Returnable: N
  • Weight: 258 gr


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Resistência à corrosão do vergalhão em solução simulada de poros de betão
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Resistência à corrosão do vergalhão em solução simulada de poros de betão
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