Oxidation of boiler steels - RWTH Aachen University
Oxidation of boiler steels - RWTH Aachen University
Oxidation of boiler steels - RWTH Aachen University
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7 th GTT-Workshop, May 2005<br />
NiCr20Al2Ti2<br />
UNIVERSITÄT<br />
SIEGEN<br />
TiN<br />
20µm<br />
AlN<br />
c Ti,Al,TiN,AlN<br />
[at.%]<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
N<br />
Simulation <strong>of</strong> internal nitridation<br />
Simultaneous precipitation <strong>of</strong><br />
different nitrides<br />
(100h, 1000°C, N -Atmosphäre)<br />
2<br />
AlN<br />
TiN<br />
Al<br />
0 100 200 300 400 500<br />
distance from surface [µm]<br />
0,003<br />
0,0025<br />
0,002<br />
0,0015<br />
0,001<br />
0,0005<br />
Institut für Werkst<strong>of</strong>ftechnik<br />
Lehrstuhl für Materialkunde und Werkst<strong>of</strong>fprüfung<br />
Ti<br />
0<br />
c N<br />
[at.%]