Influence of Chromium and Molybdenum on the Corrosion of Nickel Based Alloys PDF Download
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 29
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Book Description
The addition of chromium and molybdenum to nickel creates alloys with exceptional corrosion resistance in a diverse range of environments. This study examines the complementary roles of Cr and Mo in Ni alloy passivation. Four nickel alloys with varying amounts of chromium and molybdenum were studied in 1 molar salt solutions over a broad pH range. The passive corrosion and breakdown behavior of the alloys suggests that chromium is the primary element influencing general corrosion resistance. The breakdown potential was nearly independent of molybdenum content, while the repassivation potential is strongly dependant on the molybdenum content. This indicates that chromium plays a strong role in maintaining the passivity of the alloy, while molybdenum acts to stabilize the passive film after a localized breakdown event.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 29
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Book Description
The addition of chromium and molybdenum to nickel creates alloys with exceptional corrosion resistance in a diverse range of environments. This study examines the complementary roles of Cr and Mo in Ni alloy passivation. Four nickel alloys with varying amounts of chromium and molybdenum were studied in 1 molar salt solutions over a broad pH range. The passive corrosion and breakdown behavior of the alloys suggests that chromium is the primary element influencing general corrosion resistance. The breakdown potential was nearly independent of molybdenum content, while the repassivation potential is strongly dependant on the molybdenum content. This indicates that chromium plays a strong role in maintaining the passivity of the alloy, while molybdenum acts to stabilize the passive film after a localized breakdown event.
Author: Wayne Z. Friend
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 488
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Book Description
Author: Michael Schütze
Publisher: John Wiley & Sons
ISBN: 3527338497
Category : Science
Languages : en
Pages : 363
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Book Description
Derived from the online reference "Corrosion Handbook", this handbook brings together all the relevant information on corrosion protection and prevention for nickel-based materials, all in a convenient and easy-to-use format. As such, it provides scientists and engineers manufacturing and utilizing these materials with comprehensive information, including tabulated data and references, on their corrosion behavior when in contact with acids and hydroxides.
Author:
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Category :
Languages : en
Pages :
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Book Description
The compatibility of several binary and ternary alloys in a magma environment was studied. Binary alloys containing molybdenum and ternary alloys containing chromium and molybdenum were exposed to basaltic lava at 1150°C for periods of 24 and 96 hours. A cover gas was used to produce oxygen and sulfur fugacities corresponding to those of the gases dissolved in basaltic melts. Three base metals were used. These included iron, nickel, and cobalt. The primary reactions in binary alloys were found to be sulfidation. Oxide scales with a spinel layer formed on ternary alloys. The synergistic effect of molybdenum and chromium additions in ternary alloys exhibited superior corrosion resistance to binary alloys which formed base-metal sulfides down grain-boundaries. Extensive analyses of the reaction products by scanning electron microscopy, X-ray energy dispersive analysis, electron microprobe analysis, and metallography are presented for each alloys. The products formed are discussed with reference to thermodynamic stability diagrams, and the reaction path concept is used to explain some of the corrosion.
Author: Thomas Randall Keith Wilmink
Publisher:
ISBN:
Category : Chromium
Languages : en
Pages : 178
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Book Description
Author: Ulrich Heubner
Publisher: CRC Press
ISBN: 1482270579
Category : Technology & Engineering
Languages : en
Pages : 328
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Book Description
This book evaluates the latest developments in nickel alloys and high-alloy special stainless steels by material number, price, wear rate in corrosive media, mechanical and metallurgical characteristics, weldability, and resistance to pitting and crevice corrosion. Nickel Alloys is at the forefront in the search for the most economic solutions to c
Author: Stephen A. Ehrlich
Publisher:
ISBN:
Category : Binary systems (Metallurgy)
Languages : en
Pages :
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Book Description
Author: Fumio Hine
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 248
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Book Description
Author: Stephen A. Ehrlich
Publisher:
ISBN:
Category : Corrosion resistant alloys
Languages : en
Pages : 152
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Book Description
Author: R. F. Maness
Publisher:
ISBN:
Category : Nickel alloys
Languages : en
Pages : 56
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Book Description
