本帖最后由 武歆 于 2020-8-27 16:43 编辑
+ `: ?, C/ u4 S' t& t4 C
; y- Z- D" {" m+ R, }# J这个应该是碳氮共渗,参考《USE OF THE METHOD OF ACOUSTIC EMISSION FOR STUDYING
8 @) Z! _; P! _: M$ R2 S3 gTHE LAWS OF FORMATION OF SECONDARY STRUCTURES% b7 Z% x1 J( O9 u: _- V: S d
AT FRICTION OF NICOTRATED STEELS》,“We used the method of acoustic emission for analyzing
, w" S, G' t; f! n9 a7 ?the parameters of structure formation in thin surface layers of+ S- ]; [3 J4 v0 U! Y* k
high-hardness carbonitride coatings on nicotrated steels.The nicotratingwas performed at 580°C for 8 h in a gaseous saturating medium( J* q! u( Q7 y# b& i+ _! [1 V/ l) `
consisting of 50% ammonium and 50% endothermic" L5 }1 A% y% W
gas.” |