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ORIGINAL PAPER
Strengthening of the steel after heat treating with the matrix of different structure
Journal of Research and Applications in Agricultural Engineering 2009;54(2):9-14
KEYWORDS
ABSTRACT
More important processes of surface engineering technology is combination of classical volume heat treatment and surface deformation, burnishing. The paper presents the mean of the combination of two technologies of NCHLVsteel: heat treatment with different of austenityzation temperature (result two structures after hardening - martensite and austenite) and burnishing. The burnishing of the steel contains martensiting structure of the matrix had not effects, but burnishing of austenite changes properties of the NC11 LV steel evidently. The hardness after burnishing was larger, then hardness of the steel after classical hardening, contains martensiting structure. The research show, that austenit - result of the heat treatment from high austenitization temperature - after hardening during deformation, after tempering (480°C, 4 h) partially remain.
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| eISSN: | 2719-423X |
| ISSN: | 1642-686X |
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