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Author: PATRICIA.. CADET
Publisher:
ISBN:
Category :
Languages : fr
Pages : 81
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Book Description
LES DONNEES BIBLIOGRAPHIQUES ONT REVELE UNE TRES GRANDE RESISTANCE A LA CORROSION DES ALLIAGES AMORPHES FE-CR-P. CEPENDANT L'ATTRIBUTION D'UNE TELLE PROPRIETE SOIT AU CARACTERE AMORPHE DU MATERIAU SOIT A L'EFFET CHIMIQUE DES CONSTITUANTS EST ENCORE MAL DEFINIE. L'ETUDE DETAILLEE DU COMPORTEMENT ELECTROCHIMIQUE DES ALLIAGES TERNAIRES ETANT COMPLEXE, NOUS NOUS SOMMES CONSACRES A L'ALLIAGE AMORPHE FE::(80)P::(20) COMPARE AU FE::(80)B::(20) AMORPHE ET AU FE CRISTALLIN EN MILIEU SULFURIQUE IM. LES DEUX METALLOIDES P ET B SONT ELECTROCHIMIQUEMENT ACTIFS. LA PRESENCE DU B SE LIMITE ESSENTIELLEMENT A UN EFFET DE STABILISATION DE L'ETAT AMORPHE ALORS QUE LE P JOUE EN PLUS UN ROLE CHIMIQUE. IL DIMINUE CONSIDERABLEMENT LE COURANT DE DISSOLUTION ACTIVE. DANS LA PASSIVITE, ON OBSERVE LE PROCESSUS FE**(2+)->FE**(3+) QUI STABILISE LE FILM PASSIF EPAIS
Author: PATRICIA.. CADET
Publisher:
ISBN:
Category :
Languages : fr
Pages : 81
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Book Description
LES DONNEES BIBLIOGRAPHIQUES ONT REVELE UNE TRES GRANDE RESISTANCE A LA CORROSION DES ALLIAGES AMORPHES FE-CR-P. CEPENDANT L'ATTRIBUTION D'UNE TELLE PROPRIETE SOIT AU CARACTERE AMORPHE DU MATERIAU SOIT A L'EFFET CHIMIQUE DES CONSTITUANTS EST ENCORE MAL DEFINIE. L'ETUDE DETAILLEE DU COMPORTEMENT ELECTROCHIMIQUE DES ALLIAGES TERNAIRES ETANT COMPLEXE, NOUS NOUS SOMMES CONSACRES A L'ALLIAGE AMORPHE FE::(80)P::(20) COMPARE AU FE::(80)B::(20) AMORPHE ET AU FE CRISTALLIN EN MILIEU SULFURIQUE IM. LES DEUX METALLOIDES P ET B SONT ELECTROCHIMIQUEMENT ACTIFS. LA PRESENCE DU B SE LIMITE ESSENTIELLEMENT A UN EFFET DE STABILISATION DE L'ETAT AMORPHE ALORS QUE LE P JOUE EN PLUS UN ROLE CHIMIQUE. IL DIMINUE CONSIDERABLEMENT LE COURANT DE DISSOLUTION ACTIVE. DANS LA PASSIVITE, ON OBSERVE LE PROCESSUS FE**(2+)->FE**(3+) QUI STABILISE LE FILM PASSIF EPAIS
Author: M.G.S Ferreira
Publisher: Springer Science & Business Media
ISBN: 940113636X
Category : Technology & Engineering
Languages : en
Pages : 714
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Book Description
In spite of considerable efforts over the years to understand and combat materials degradation via corrosion processes, many challenges still remain both in the theoretical understanding of the phenomena and in seeking pratical solutions to the perennial problem. Progress has been slow due to the complexity of the processes and the systems involved. Fortunately, in recent years there has been a renaissance in the development of new electrochemical and optical techniques, as well as advances in instrumentation, which have greatly aided our quest to gain insight into the complex mechanisms involved in metallic corrosion and passivation. Numerous scientific meetings, symposia, and workshops have been held allover the world which attest to the frenzy of activities in corrosion science and technology. However, most of these conferences have dealt mainly with recent research results. There appeared to be a need to assess and disseminate our present state of knowledge in the field as regards measurement techniques, theory, and instrumentation. The present NATO Advanced Study Institute was therefore held in Viana do Castelo, Portugal from July 9 to 21, 1989. The Institute consisted of a series of tutorial lectures, poster sessions, and round-table discussions interspersed evenly over the two-week period. It was attended by 75 participants from several countries representing industry, government and university laboratories.
Author: Yvan Massiani
Publisher:
ISBN:
Category :
Languages : fr
Pages : 294
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Book Description
COMPORTEMENT EN MILIEU CORROSIF AQUEUX D'ALLIAGES AMORPHES A BASE DE FE-B FABRIQUES PAR MELT-SPINNING. ETUDE DU COMPORTEMENT EN POLARISATION ANODIQUE. ETUDE DE LA FORMATION ET DE LA STABILITE DE L'ETAT PASSIF, DE LA DEGRADATION DU COMPORTEMENT ANODIQUE, DE LA REACTIVITE DE LA SURFACE VIS A VIS D'UN SYSTEME REDOX, DES PROPRIETES PHOTOELECTROCHIMIQUES DE L'INTERFACE ALLIAGE-SOLUTION
Author:
Publisher:
ISBN:
Category : Corrosion and anti-corrosives
Languages : en
Pages : 694
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Book Description
Author:
Publisher:
ISBN:
Category : Corrosion and anti-corrosives
Languages : en
Pages : 694
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Book Description
Author: Gilberto A. Jorge Rodriguez (auteur en électrochimie).)
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Etude comparative du comportement electrochimique des alliages binaires par rapport aux metaux purs correspondants
Author: Alain Audouard (auteur d'une thèse de sciences.)
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
Author: Gilberto A. Jorge
Publisher:
ISBN:
Category : Chemistry, Physical and theoretical
Languages : fr
Pages : 376
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Book Description
Author: International Atomic Energy Agency
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 374
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Book Description
Author: Ahmed Belasri
Publisher: Springer Nature
ISBN: 9811554447
Category : Technology & Engineering
Languages : en
Pages : 659
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Book Description
This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.
