Microstructural influence on abrasive wear resistance of high-strength, high-toughness medium-carbon steels
A systematic study of abrasive wear resistance of Fe/Cr/Mn experimental steels has been carried out in two-body pin-on-disc abrasion tests. Silicon carbide, alumina, and quartz were used as abrasives. The relationships between microstructures, mechanical properties, and abrasive wear resistance for these experimental steels were studied. In addition, several commercial alloys were tested to provide a basis for comparison. Results show that dislocated lath martensite with continuous interlath film of retained austenite appears to be a desirable microstructure for good wear resistance. Grain refinement by double heat treatment was found to improve the toughness in the experimental steels but have little effect on the abrasive wear resistance. In general, superior tensile properties and wear resistance, without sacrifice in toughness, can be achieved by a lath martensitic microstructure. 8 figures.
- Research Organization:
- Lawrence Berkeley Lab., CA (USA)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 6527770
- Report Number(s):
- LBL-14911; CONF-830402-2; ON: DE83002571
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360103* -- Metals & Alloys-- Mechanical Properties
ABRASION
ALLOYS
CARBON STEELS
CHROMIUM ALLOYS
CHROMIUM STEELS
CRYSTAL STRUCTURE
HEAT TREATMENTS
IRON ALLOYS
IRON BASE ALLOYS
MANGANESE ALLOYS
MANGANESE STEELS
MECHANICAL PROPERTIES
MICROSTRUCTURE
STEELS
TENSILE PROPERTIES
WEAR RESISTANCE