Menu
Search
Filters
Close
Menu

Celebrate World Corrosion Awareness Day with 20% off eCourses and eBooks with code WCAD2024 at checkout!

96081 VACANCY-CREEP MODEL FOR EAC OF METALLIC MATERIALS IN HIGH TEMPERATURE WATER

Picture for 96081 VACANCY-CREEP MODEL FOR EAC OF
Available for download
Product Number: 51300-96081-SG
ISBN: 96081 1996 CP
Author: P. Aaltonen, T. Saario, P. Karjalainen-Roikonen, J. Piippo, S. Tahtinen, M. Itaaho, H. Hiinninen
$0.00
$20.00
$20.00
A new mechanistic model for environmentally assisted cracking (EAC) of metallic materials is presented. In this model the mechanism of cracking involves selective dissolution or oxidation of metallic cations in the oxide film and transport of the generated vacancies to the base metal ahead of the crack tip. The mechanism of cracking is based on interactions of vacancies with dislocations enhancing concentration of slip to the highly stressed region ahead of the crack tip. The validity of the model is discussed based on both new experimental and literature data. It is shown that selective oxidation and, thus, vacancy generation takes place in the same electrochemical potential range where EAC cracking is observed at different temperatures in different materials such as in stainless steels, Ni-base alloys and brass. This model can be applied to explain the observed transgranular stress corrosion cracking (TGSCC), intergranular stress corrosion cracking (IGSCC) and hydrogen embrittlement (HE) phenomena of these materials used in high temperature water environments. Keywords: EAC, vacancy, migration, creep, dislocation.
A new mechanistic model for environmentally assisted cracking (EAC) of metallic materials is presented. In this model the mechanism of cracking involves selective dissolution or oxidation of metallic cations in the oxide film and transport of the generated vacancies to the base metal ahead of the crack tip. The mechanism of cracking is based on interactions of vacancies with dislocations enhancing concentration of slip to the highly stressed region ahead of the crack tip. The validity of the model is discussed based on both new experimental and literature data. It is shown that selective oxidation and, thus, vacancy generation takes place in the same electrochemical potential range where EAC cracking is observed at different temperatures in different materials such as in stainless steels, Ni-base alloys and brass. This model can be applied to explain the observed transgranular stress corrosion cracking (TGSCC), intergranular stress corrosion cracking (IGSCC) and hydrogen embrittlement (HE) phenomena of these materials used in high temperature water environments. Keywords: EAC, vacancy, migration, creep, dislocation.
PRICE BREAKS - The more you buy, the more you save
Quantity
1+
5+
Price
$20.00
$20.00
Product tags
Also Purchased
Picture for 96084 THE EFFECT OF IN-SITU NOBLE METAL
Available for download

96084 THE EFFECT OF IN-SITU NOBLE METAL CHEMICAL ADDITION ON CRACK GROWTH RATE BEHAVIOR OF STRUCTURAL MATERIALS IN 288°C WATER

Product Number: 51300-96084-SG
ISBN: 96084 1996 CP
Author: Peter L. Andresen, Tom Angeliu
$20.00
Picture for 96079 ASPECTS OF SELECTIVE WELD AND HAZ
Available for download

96079 ASPECTS OF SELECTIVE WELD AND HAZ ATTACK IN CO2 CONTAINING PRODUCTION ENVIRONMENTS

Product Number: 51300-96079-SG
ISBN: 96079 1996 CP
Author: J.A. Marlow, J. H. Kiefer, M. W. Joosten, J. Kolts, P. G. Humble
$20.00
Picture for 96078 EVALUATION OF HIGH-STRENGTH Cu-Ni-Mn-Al
Available for download

96078 EVALUATION OF HIGH-STRENGTH Cu-Ni-Mn-Al BOLTING USED IN OIL AND GAS SERVICE

Product Number: 51300-96078-SG
ISBN: 96078 1996 CP
Author: O. Andersen, M.W. Joosten, J. Murali, D.E. Milliams
$20.00
Categories
Industry
Recently viewed
Popular tags
View all

Association for Materials Protection and Performance

© AMPP All Rights Reserved.
Membership Terms of Content Use
Contact Customer Support