Shell Hardening是什么工藝

Pascal

請問社友，Shell Hardening是什么工藝？
1 k: S" w! q* ^% ^, ?: z7 x5 x在一論文中見到的，說軸承熱處理。
謝！

凰呀

表面硬化

夢里尋花

表面淬火

空余恨

個人理解是表面高硬度，心部高韌性及一定的強度。

Pascal

問了一個材料專家，答復如下：
. f. @: j1 \# O/ G  A& x6 SShell hardening means only the surface layer was hardened, the core was not completely to martensite. So, it will have high compressive residual stress on the surface like inductive hardening.
; [0 e: D( J: ~% }- _For example--limited hardenability steel TSH.