Estimative of the Stacking Fault Energy for a FeNi(50/50) Alloy and a 316L Stainless Steel |
| Journal |
Materials Science Forum (Volumes 591 - 593) |
| Volume |
Advanced Powder Technology VI |
| Edited by |
Lucio Salgado and Francisco Ambrozio Filho |
| Pages |
3-7 |
| DOI |
10.4028/www.scientific.net/MSF.591-593.3 |
| Online since |
August, 2008 |
| Authors |
Marcos Flávio de Campos,
S.A. Loureiro,
Daniel Rodrigues,
Maria do Carmo Silva,
Nelson Batista de Lima
|
| Keywords |
FCC, Stacking Fault Energy, X-Ray Diffraction (XRD) |
| Abstract |
The effect of high energy milling on powders of a FeNi (50/50) alloy and a 316L stainless steel
has been evaluated by means of X-Ray Diffraction (XRD). The average microstrain as function of the
milling time (1/2h, 1h and 8h) was determined from XRD data. The displacement and broadening of the
(XRD) peaks were used for estimate the stacking fault energy (SFE), using the method of Reed and
Schramm. It was estimated SFE=79 mJ/m2 for the FeNi (50/50) alloy and SFE=14 mJ/m2 for the 316L
stainless steel. The better experimental conditions for determining the SFE by XRD are discussed. |
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