stress corrosion cracking


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stress corrosion cracking

Failure in a metal as a result of cracks caused by the simultaneous interaction of sustained tensile stress at an exposed surface with the chemical or electro-chemical effects of the environment to which it is exposed.
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Mathematical models presented in the form (1)-(3) for describing deformation and their application for the operability estimations of NPP equipment elements constitute the central idea of the work [15], in which some synergetic effects due to interference of various external factors, in particular the effect of creep on stress corrosion cracking [14].
The College of the North Atlantic-Qatar (CNA-Q) and Qatar Petroleum (QP) have renewed a research partnership to help identify which materials used in the industry and energy sector are most resistant to chloride stress corrosion cracking.
due to stress corrosion cracking mechanism) and, at the same time, to draw up a proper maintenance schedule that may limit the inactivity maintaining periods.
In addition, the conditions were determined at which stress corrosion cracking can occur.
3) NACE Publication 35103, "External Stress Corrosion Cracking of Underground Pipelines" (Houston, TX: NACE International).
Kuprewicz analyzed Enbridge's assessments of Line 9 and found evidence of extensive stress corrosion cracking, which he detailed along with other concerns in a technical report filed as part of the NEB review.
These examinations include a search for stress corrosion cracking on the flat plate radiuses and between stays.
Water jet peening, which is used to prevent stress corrosion cracking inside nuclear reactor containers, will be provided for the Wolf Creek Generating Station in Kansas and the Ameren Missouri Callaway Energy Center in Missouri in 2016, when they will be offline for a refueling outage.
The WJP service will mitigate the potential for stress corrosion cracking of essential Alloy 600 components and associated weld metals, thus providing safety benefits and long-term cost savings to the ratepayers and utilities.
Also, their excellent resistance to crevice corrosion and stress corrosion cracking make them also suitable for other hostile environment applications, such as chemical and food processing, medical and marine industries.
Stress corrosion cracking (SCC) is the unexpected sudden failure of normally ductile metals subjected to a tensile stress in a corrosive environment, especially at an elevated temperature in the case of metals.
That ANPR contained a laundry list of hazardous liquid IM program upgrades PHMSA was considering such as: steps extending regulation to certain pipelines currently exempt from regulation; whether other areas along a pipeline should either be identified for extra protection or be included as additional high consequence areas (HCAs) for Integrity Management (IM) protection; whether to establish and/or adopt standards and procedures for minimum leak detection requirements for all pipelines; and whether to establish and/or adopt standards and procedures for improving the methods of preventing, detecting, assessing and remediating stress corrosion cracking (SCC) in hazardous liquid pipeline systems.