Interfacial precipitation, segregation and deformation in alloy 600: Implications on primary-side IGSCC

Conference · Thu Apr 01 04:00:00 EST 1993

OSTI ID:10157412

Bruemmer, S M

A great many unknowns still exist concerning the mechanisms controlling intergranular stress corrosion cracking (IGSCC) of alloy 600 in high-temperature, deaerated water environments. Any proposed mechanism must involve the microstructure, microchemistry and mechanical properties of grain boundary regions. To facilitate basic understanding, specific aspects of alloy 600 metallurgy are reviewed and discussed. Interfacial carbide precipitation, chromium depletion, impurity segregation and local deformation characteristics are examined and related to IGSCC behavior. Purpose of this paper is to provide information, and prompt discussion, on these various issues for the EPRI Alloy 600 Experts Meeting.

• Research Organization: Pacific Northwest Lab., Richland, WA (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC06-76RL01830
• OSTI ID: 10157412
• Report Number(s): PNL-SA--22257; CONF-9304146--1; ON: DE93013161
• Country of Publication: United States
• Language: English

Related Subjects

20 FOSSIL-FUELED POWER PLANTS
200104
22 GENERAL STUDIES OF NUCLEAR REACTORS
220200
36 MATERIALS SCIENCE
360105
CARBIDES
COMPONENTS
COMPONENTS AND ACCESSORIES
CORROSION AND EROSION
CRACKS
DEFORMATION
GRAIN BOUNDARIES
INCONEL 600
INTERFACES
INTERGRANULAR CORROSION
METALLURGY
SEGREGATION
STEAM GENERATORS
STRESS CORROSION