Yaya game da wasan kwaikwayon matsakaici mita shigarwa dumama surface hardening?

1. Taurin ƙasa: Ƙarfin farfajiyar kayan aikin da ake kashewa ta hanyar zafi mai ƙarfi da matsakaici-mitar sau da yawa sau 2 zuwa 3 (HRC) sama da na yau da kullun.

2. Sanya juriya: Rashin juriya na kayan aikin bayan babban kashe wutar ya fi na kumburin talakawa. Wannan galibi saboda haɗuwa da ƙananan hatsi na martensite a cikin ƙaƙƙarfan Layer, babban watsawar carbide, babban taurin kai, da matsanancin matsin lamba.

3. Ƙarfin gajiya: ƙwanƙwasawa da tsaka -tsakin mita yana inganta ƙarfin gajiya da rage ƙima. Don kayan aikin kayan abu ɗaya, zurfin murfin da aka taurara yana cikin wani kewayon. Yayin da zurfin Layer mai tauri ke ƙaruwa, ƙarfin gajiya yana ƙaruwa, amma lokacin da zurfin murfin ya yi zurfi sosai, murfin saman yana matsewa, don haka ƙarfin gajiya yana raguwa lokacin da zurfin maƙalar ta ƙaru. Ƙãra brittleness. Gabaɗaya, zurfin layin mai taurin shine δ = (10 ～ 20)%D. Mafi dacewa, inda D. Shin ingantaccen diamita na kayan aikin