RADIATION DAMAGE STUDIES OF BORON STAINLESS STEEL. Final Report

Technical Report · Wed Jan 28 04:00:00 EST 1959

OSTI ID:4275055

Schaffnit, W O

With the use of boron stainless steel in control rods in a reactor, it is important to know whether the operating conditions of temperature and radiation will effect changes in mechanical properties and dimensions and to know the magnitude of such changes if they occur. Tensile specimens of 18-8 stainless steel containing 1% boron, enriched to 93% in boron-10, were fabricated and irradiated in the Materials Testing Reactor to 15 and 25% burnup and in the Engineering Test Reactor to 40 and 90% of the boron-10 isotope. These were tested for tensile strength, hardness and elongation, and examined metallographically to observe changes in microstructure. The irradiated material was extremely brittle, changes were noted in the microstructure, and a crack was discovered in one of the higher burnup specimens. (auth)

• Research Organization: Phillips Petroleum Co. Atomic Energy Div., Idaho Falls, Idaho
• DOE Contract Number: AT(10-1)-205
• NSA Number: NSA-13-008200
• OSTI ID: 4275055
• Report Number(s): IDO-16502
• Country of Publication: United States
• Language: English

Related Subjects

BORON
BORON 10
BRITTLENESS
BURNUP
CONTROL ELEMENTS
CRACKS
ETR
HARDNESS
LATTICES
MECHANICAL PROPERTIES
METALLOGRAPHY
MTR
RADIATION EFFECTS
RADIATION EFFECTS ON MATERIALS
REACTORS
STAINLESS STEELS
TEMPERATURE
TENSILE PROPERTIES