Ko'r perchinlar uchun qanday qattiqlik sinovlari mavjud?

Umumiy qattiqlik sinovlariga quyidagilar kiradi: Rokvell qattiqligi (HR), sirt Rokvell qattiqligi (HR), Vikers qattiqligi (HV), Micro Vickers qattiqligi (HV), Knoop qattiqligi (HK), Brinell qattiqligi (HB), Leeb qattiqligi (HL) (rebound). usuli), ultratovush qattiqligi testi (UCI), Shore qattiqligi (SHORE).

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