Combined process “helical rolling-pressing” and its effect on the microstructure of ferrous and non-ferrous materialsAbdrakhman Naizabekov, Sergey Lezhnev, Alexandr Arbuz and Evgeniy PaninMetall. Res. Technol., 115 2 (2018) 213DOI: https://doi.org/10.1051/metal/2017099