For citations:
Polushin N.I., Ovchinnikova M.S., Sorokin M.N. REDUCING METAL CONTENT IN PCD POLYCRYSTALLINE DIAMOND LAYER BY CHEMICAL AND ELECTROCHEMICAL ETCHING. Powder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya). 2017;(2):31-38. (In Russ.) https://doi.org/10.17073/1997-308X-2017-2-31-38