STUDY OF THE EFFECT OF RARE-EARTH ELEMENTS ON PHYSICO-MECHANICAL PROPERTIES OF CHROME-NICKEL-MOLYBDENUM STEEL

Journal Article · Thu Jan 01 00:00:00 EST 1959 · Redkozemel. Elementy v Stalyakh i Splavakh, Trudy Soveshchaniya

OSTI ID:4062760

Kopp, L P; Petukhov, G K

A study was made of the distribution of C, S, P, Ce, and O/sub 2/, the macrostructure and the mechanical properties of Cr-Ni-Mo steel treated with Fe- Ce, added in an amount of 0.12 to 0.33% to the ladle or in the molds. The investigation was made with 850-kg ingots from an electric furnace; blanks forged out of 2700-kg ingots from a 10-ton basic electric furnace, and 3550-kg ingots from a 60-ton basic open-hearth furnace. It was established that the addition of 0.15% Ce to the ladle ensured desulfurization of Cr-Ni-Mo steel by 50 to 60%. Steel treated with Fe-Ce behaves during forging like conventional Cr-Ni-Mo steel. In the central zone of the ingot the grouping and coarsening of S-compounds of rare-earth elements is observed; this causes a reduced ductility of the metal in this section. (OTS)

• Research Organization: Originating Research Org. not identified
• NSA Number: NSA-15-022777
• OSTI ID: 4062760
• Journal Information: Redkozemel. Elementy v Stalyakh i Splavakh, Trudy Soveshchaniya, Other Information: Orig. Receipt Date: 31-DEC-61
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

METALS, CERAMICS, AND OTHER MATERIALS
CARBON
CASTING
CERIUM
CERIUM ALLOYS
CONFIGURATION
DESULFURIZATION
DISTRIBUTION
DUCTILITY
ELECTRICITY
EXPANSION
FORGING
FURNACES
GRAIN SIZE
IRON ALLOYS
MECHANICAL PROPERTIES
MICROSTRUCTURE
MOLYBDENUM ALLOYS
OXYGEN
PHOSPHORUS
RARE EARTHS
RODS
STAINLESS STEELS
STEELS
SULFIDES
SULFUR