Voropaev, V., Kuznetsov, V. P., Skorobogatov, A. S. and Barashova, A. (2019) “Impact of Friction Stir Processing Parameters on Forming the Structure and Properties in AISI 420 Steel Surface Layer”, KnE Engineering, 4(1), pp. 158–162. doi: 10.18502/keg.v1i1.4404.