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mittemetalliline materjal Vickersi kõvadusega enam kui 40 GPa, nt teemant ja kuubiline boornitriid (c-BN), non-metallic material with hardness value exceeding 40 GPa, including diamond and cubic boron nitride (c-BN)
superhard material . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/superhard%20material/1/eng (18.07.2026)
