Brykov M.N., Prokopchenko A.A., Efremenko V.G. Effect of quenching and isothermal processing conditions on the structure and wear resistance of high-carbon low-alloy steel.
Abstract
The aim of the research presented was the heat treatment optimization of 120Mn3Si2 steel on a "quenching + isothermal holding" process. Investigated are the structure, hardness and wear resistance of this steel after quenching from different temperatures in the range 760 ... 1000 ° C followed by isothermal holding at 250 ° C. It is found that after quenching from 900 °C the rate of bainite transformation is maximal. Hardness of samples reaches the level of 500 HV within 1 day during isothermal holding, and changed insignificantly at subsequent treatment. As a result of this treatment the martensite-austenite-bainite structure with little or no carbide phase is formed. Attention is drawn to the almost complete absence of excess carbides. Only a few remnants of undissolved carbide phase are visible in the structure. The wear resistance of steel after optimal treatment is much higher than the wear resistance of the martensite. Further work may be aimed at the study of the mechanical properties of 120Mn3Si2 steel after this treatment, as well as ways for its practical use. Also of interest are the tests of 120G3S2 after a similar treatment in the mixed conditions of abrasive wear with the simultaneous impact of low-cycle and high-cycle fatigue of the friction surface. Keywords: abrasive wear, steel, isothermal treatment, bainite, wear resistance.References
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2. Koval A.D., Efremenko V.G., Brykov M.N., Andrushchenko M.I., Kulikovskii R.A., Efremenko A.V. Principles for developing grinding media with increased wear resistance. Part 1. Abrasive Wear Resistance of iron-based alloys, Journal of friction and wear, 2012, V.33, No 1, pp. 39-46.
3. Brykov M.N., Efremenko V.G., Efremenko A.V. Iznosostojkost' stalej i chugunov pri abrazivnom iznashivanii, Herson : Grin' D.S., 2014, 364 p.
4. Brykov M.N. Mekhanizm uprochneniya nestabil'nogo austenita pri plasticheskoj deformacii, Novі materіaly і tekhnologіi v metalurgіi ta mashinobuduvannі, 2009, No 2, pp.23-26.
5. Hesse O. Zur Festigkeit niedriglegierter Stähle mit erhöhtem Kohlenstoffgehalt gegen abrasiven Ver-schleiß / O. Hesse, J. Merker, M. Brykov, V. Efremenko // Tribologie + Schmierungstechnik. – 2013. - № 6. – S.37-43.
6. Hesse O. Bainit in Stählen mit hohem Widerstand gegen Abrasivverschleiß / O. Hesse, J. Liefeith, M. Kunert, A. Kapustyan, M. Brykov, V. Efremenko // Tribologie + Schmierungstechnik. – 2016. - № 2. – S.5-13.
7. Koval A.D., Brykov M.N., A. Kapustyan A.E., Timofeenko D.N. Issledovanie kinetiki obrazovaniya nizhnego bejnita v strukture vysokouglerodistoj nizkolegirovannoj stali, Novі materіaly і tekhnologіi v meta-lurgіi ta mashinobuduvannі, 2011, No 1, pp.17-21.
8. Brykov M.N., Optimal'naya skhema standartnyh ispytanij metallicheskih materialov na iznashivanie zakreplennym abrazivom, Novі materіaly і tekhnologіi v metalurgіi ta mashinobuduvannі, 2003, No 1, pp.86-89.
9. Brykov M.N., Brykov N.N. Opredelenie tipa splava i ego optimal'nogo strukturnogo sostoyaniya dlya razlichnyh zadannyh uslovij iznashivaniya, Problemy trybologіi (Problems of tribology). Khmel'nyts'kyi, KhNU, 2004, No 1, pp.46-53.
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Published
2016-11-12
How to Cite
Брыков, М., Прокопченко, А., & Ефременко, В. (2016). Brykov M.N., Prokopchenko A.A., Efremenko V.G. Effect of quenching and isothermal processing conditions on the structure and wear resistance of high-carbon low-alloy steel. Problems of Tribology, 81(3), 51. Retrieved from https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/44
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