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OLINA, A. PÍŠKA, M.
Original Title
THE EFFECT OF V-CARBIDES PRECIPITATION ON TENSILE AND FATIGUE PROPERTIES OF HEAT TREATED SPRING STEELS
Type
conference paper
Language
English
Original Abstract
This paper deals with a comparison between the standard spring steel grade 0.54C-1.45Si-0.7Mn-0.7Cr and a grade micro-alloyed spring steel with 0.12 % V in terms of microstructure, grain refinement, strength and ductile properties. The micro-alloyed steel is supposed to provide a better performance as it had been proven for hot-rolled and heat treated wire. The vanadium micro-alloyed steel grades are quenched in oil typically, so high strengths and high ductility can be expected. It has been confirmed especially for induction heat treatment and quenching temperatures 810-910 °C, and the tempering temperatures 430 °C and 450 °C. That phenomenon can be explained with the strengthening effect and precipitation of vanadium carbides that suppress the grain coarsening effectively. The mechanism has been confirmed with electron scanning and transmission microscopy.
Keywords
spring steel, micro-alloying, vanadium carbides, precipitates, plasticity
Authors
OLINA, A.; PÍŠKA, M.
Released
15. 4. 2018
Publisher
Tanger Ltd.
Location
Ostrava
ISBN
978-80-87294-79-6
Book
METAL 2017
Edition
první
Edition number
1
Pages from
949
Pages to
955
Pages count
6
BibTex
@inproceedings{BUT147167, author="Anna {Olina} and Miroslav {Píška}", title="THE EFFECT OF V-CARBIDES PRECIPITATION ON TENSILE AND FATIGUE PROPERTIES OF HEAT TREATED SPRING STEELS", booktitle="METAL 2017", year="2018", series="první", number="1", pages="949--955", publisher="Tanger Ltd.", address="Ostrava", isbn="978-80-87294-79-6" }