Ultrasonic inspectability improvements of austenitic stainless steel welds after thermal-mechanical processing

Conference · Mon Dec 31 23:00:00 EST 1979

OSTI ID:5188928

Malik, R K; Lott, L A

A thermal-mechanical process was applied to Type 304/308 stainless steel GTA welds. The process improved the ultrasonic transmission properties in the weld region. These improvements are attributed to the microstructural changes observed after processing of the austentitic stainless steel welds. Some of the microstructural changes observed were conversion of cast dendrites into equiaxed austenitic grains, and the reduction in size and number of stringers, inclusions, and delta ferrite.

• Research Organization: EG and G Idaho, Inc., Idaho Falls (USA)
• DOE Contract Number: AC07-76ID01570
• OSTI ID: 5188928
• Report Number(s): CONF-801021-3
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
360103 -- Metals & Alloys-- Mechanical Properties
ACOUSTIC TESTING
ALLOYS
ARC WELDING
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
CORROSION RESISTANT ALLOYS
CRYSTAL STRUCTURE
DEFECTS
FABRICATION
GAS TUNGSTEN-ARC WELDING
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
IRON ALLOYS
IRON BASE ALLOYS
JOINING
JOINTS
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
MICROSTRUCTURE
NICKEL ALLOYS
NONDESTRUCTIVE TESTING
STAINLESS STEEL-304
STAINLESS STEEL-308
STAINLESS STEELS
STEELS
TESTING
ULTRASONIC TESTING
WELDED JOINTS
WELDING