Published 1987 | Version v1
Book Metadata-only

Origin of spurious ultrasonic echoes in stainless steel piping with weld overlay

Creators

  • 1. Argonne National Lab., IL

Description

The initiation and growth of intergranular stress-corrosion cracking in the heat-affected zone of welds in stainless steel reactor piping has been a subject of concern to electric utilities for over ten years. This type of crack can be detected with ultrasonic shear waves during normal maintenance periods with a reliability of up to 80%. Often, when crack indications have been found, the utility has been allowed to apply a weld metal overlay as a temporary repair measure. However, the complex, elastically anisotropic microstructure of the overlay considerably reduces the reliability of subsequent ultrasonic inspections. This paper addresses the problems arising because of the overlay

Additional details

Publishing Information

Publisher
Plenum Press.
Imprint Place
New York, NY (USA)
Imprint Title
Review of progress in quantitative nondestructive evaluation. Volume 6B
Journal Page Range
p. 1707-1714.

Conference

Title
Review of progress in quantitative NDE.
Dates
3-8 Aug 1986.
Place
La Jolla, CA (USA).

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
18090755
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; S36: MATERIALS SCIENCE; S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Conference
Descriptors DEI
CRACK PROPAGATION; CRACKS; DATA ACQUISITION SYSTEMS; DETECTION; HATCH-2 REACTOR; HEAT AFFECTED ZONE; INCIDENCE ANGLE; MICROSTRUCTURE; PHASE VELOCITY; PIPES; REACTOR COOLING SYSTEMS; REFLECTION; REPAIR; SCATTERING AMPLITUDES; SHEAR; STAINLESS STEELS; STRESS CORROSION; TRANSDUCERS; ULTRASONIC TESTING; ULTRASONIC WAVES; WAVE PROPAGATION; WELDED JOINTS
Descriptors DEC
ACOUSTIC TESTING; ALLOYS; AMPLITUDES; BWR TYPE REACTORS; CARBON ADDITIONS; CHEMICAL REACTIONS; COOLING SYSTEMS; CORROSION; CRYSTAL STRUCTURE; ENRICHED URANIUM REACTORS; HIGH ALLOY STEELS; IRON ALLOYS; IRON BASE ALLOYS; JOINTS; MATERIALS TESTING; NONDESTRUCTIVE TESTING; POWER REACTORS; REACTOR COMPONENTS; REACTORS; SOUND WAVES; STEELS; TESTING; THERMAL REACTORS; VELOCITY; WATER COOLED REACTORS; WATER MODERATED REACTORS