Effect of Electrolytic-Plasma Polishing on the Mechanical Properties of Austenitic–Martensitic VNS9-Sh TRIP Steel

The effect of electrolytic-plasma polishing (EPP) on the mechanical properies of austenitic–martensitic VNS9-Sh TRIP sheet steel is investigated. EPP is found to exert a little effect on the static mechanical properties of VNS9-Sh steel due to some peculiarities of the strain-induced martensite form...

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Veröffentlicht in:	Russian metallurgy Metally 2020-10, Vol.2020 (10), p.1199-1206
Hauptverfasser:	Terent’ev, V. F., Slizov, A. K., Smyslov, A. M., Tamindarov, D. R., Prosvirnin, D. V., Penkin, A. G., Shiryaev, L. P., Sirotinkin, V. P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Austenitic stainless steels Chemistry and Materials Science Diagnostics and Mechanical Test Techniques Fatigue strength Martensite Martensitic stainless steels Materials Science Mechanical properties Metal fatigue Metallic Materials Polishing Stress concentration Surface layers TRIP steels
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Beschreibung
Zusammenfassung:	The effect of electrolytic-plasma polishing (EPP) on the mechanical properies of austenitic–martensitic VNS9-Sh TRIP sheet steel is investigated. EPP is found to exert a little effect on the static mechanical properties of VNS9-Sh steel due to some peculiarities of the strain-induced martensite formation during static tension. EPP increases the fatigue strength of the steel by decreasing the defect-induced stress concentration in the surface layer.
ISSN:	0036-0295 1555-6255 1531-8648
DOI:	10.1134/S0036029520100286