Page 69 - PCMI Journal July 2018

Issue 131
July 2018 PCMI Journal 68
Araz Ardehali Barani | Manager Development and Quality Precision Strip Zapp Precision Metals GmbH | DE | The Effect of Metallurgical Features on the Etching Performance of Stainless Steels and Iron Nickel Alloys
PCMI 2018: The effect of metallurgical features on the etching performance of stainless steels and iron nickel alloys
Martensitic stainless steel with approx. 0.70% carbon Heat treatment parameter influence the etching rate
25
)s23
enkci 2 1
htf 1 9
oeg17
atn15
ecre13
_3 strips taken from 1 original strip _3 modifica6ons produced by varia6on of one heat treatment parameter
_Etchant 40% FeCl3 _Etching temperature 40°C
123456789
Etching time (minutes)
modification 1 modification 2 modification 3
C Si Mn P S Cr Mo
0.69 0.33 0.73 0.010 0.007 12.9 0.93
May 14, 2018 | Technology PRECISION STRIP | Araz Barani | Page 16
PCMI 2018: The effect of metallurgical features on the etching performance of stainless steels and iron nickel alloys
Surface after etching is affected by the modification of heat treatment
Modification 1 Modification 2 Modification 3
May 14, 2018 | Technology PRECISION STRIP | Araz Barani | Page 17
p(h11 tp
ed 9 hct
E7 5
5/31/18