Ko te mea e whakamahia nuitia ana i roto i te hanga ko te pakeke o te tikanga pehi-i, penei i te Brinell hardness, Rockwell hardness, Vickers hardness and micro hardness.Ko te uara pakeke i whiwhi tino tohu te ātete o te mata whakarewa ki te deformation kirihou meinga e te urutomo o mo...
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