STRUCTURAL CHANGES IN 20KhM-L STEEL IN CONTINUOUS THERMAL TREATMENT (in Russian)
Journal Article
·
· Fiz. Metal. i Metalloved.
OSTI ID:4239448
Mwtallographic, x-ray, and electron microscopic studies were made of 20 KhM-L steel (0.15% C, 0.5% Cr, 0.61% Mn, 0.55% Mo) after continuous thermal treatment in loaded and normal states. The mixture of three carbides with structure of Cr/sub 23/C/sub 6/, Mo/sub 2/C, and Fe/sub 2/Mo/sub 2/C was observed in the carbide precipitant after normalization and tempering at 650 to 680 deg C. Carbide coalescence takes place at 500 to 550 deg C during which carbide-free ferrite zones form at the perlite grain boundaries. The enrichment of the alpha phase by alloying elements due to molybdenum carbide solubility improves the thermal resistance of manufactured wares. (R.V.J.)
- Research Organization:
- Lenin Khar'kov Polytechnic Inst.
- NSA Number:
- NSA-13-015384
- OSTI ID:
- 4239448
- Journal Information:
- Fiz. Metal. i Metalloved., Journal Name: Fiz. Metal. i Metalloved. Vol. Vol: 6
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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Related Subjects
CHROMIUM CARBIDES
ELECTRON MICROSCOPY
GLASS
GRAIN BOUNDARIES
HEAT TREATMENTS
HIGH TEMPERATURE
IGNEOUS ROCKS
IRON CARBIDES
IRON OXIDES
LATTICES
METALLOGRAPHY
METALLURGY AND CERAMICS
MOLYBDENUM CARBIDES
PERLITE
PHASE DIAGRAMS
PRECIPITATION
STABILITY
STEELS
TEMPERATURE
TEMPERING
THERMAL STRESSES
VOLCANICS
X RADIATION
ELECTRON MICROSCOPY
GLASS
GRAIN BOUNDARIES
HEAT TREATMENTS
HIGH TEMPERATURE
IGNEOUS ROCKS
IRON CARBIDES
IRON OXIDES
LATTICES
METALLOGRAPHY
METALLURGY AND CERAMICS
MOLYBDENUM CARBIDES
PERLITE
PHASE DIAGRAMS
PRECIPITATION
STABILITY
STEELS
TEMPERATURE
TEMPERING
THERMAL STRESSES
VOLCANICS
X RADIATION