Study of equilibrium and non-equilibrium intergranular segregations of sulphur in nickel by high resolution microprints and electrochemical testing

1982 ◽  
Vol 17 (2) ◽  
pp. 387-396 ◽  
Author(s):  
J. Barbier-Vitart ◽  
G. Saindrenan ◽  
A. Larere ◽  
C. Roques-Carmes
2015 ◽  
Vol 449 (1) ◽  
pp. 243-267 ◽  
Author(s):  
Giovanni Natale ◽  
Cristina C. Popescu ◽  
Richard. J. Tuffs ◽  
Victor P. Debattista ◽  
Jörg Fischera ◽  
...  

1983 ◽  
Vol 101 ◽  
pp. 245-252
Author(s):  
P. F. Winkler ◽  
C. R. Canizares ◽  
B. C. Bromley

High resolution X-ray spectroscopy of the brightest knot of emission in the Puppis A supernova remnant shows that it is made up of ionizing plasma, far from equilibrium. Flux measurements in several X-ray lines enable us to determine the non-equilibrium conditions: electron temperature, ion populations, and time since the knot was heated by the supernova shock. Imaging and spectroscopic data from the Einstein Observatory together suggest that this knot is a cloud of density about 10 cm−3 which has recently been shocked to a temperature 7 × 106 K. Radio and optical data on the region appear consistent with this picture.


1990 ◽  
Vol 115 ◽  
pp. 172-175
Author(s):  
K.F. Fischbach ◽  
L.M. Bateman ◽  
C.R. Canizares ◽  
T.H. Markert ◽  
P.J. Saez

AbstractHigh resolution X-ray spectral observations of Puppis A were performed with the FPCS on the Einstein Observatory at three regions of the remnant: the shock front, the bright eastern knot, and the interior. Plasma diagnostics of lines from OVII and OVIII constrain the values of electron temperature, ionization timescale, and hydrogen column density. We compare results of the diagnostics for these three regions. A non-equilibrium analysis of previously published fluxes of oxygen lines shows that the interior has not yet reached ionization equilibrium.


2018 ◽  
Vol 114 (3) ◽  
pp. 577a
Author(s):  
Yujie Chen ◽  
Dena Izadi ◽  
Miles L. Whitmore ◽  
Joseph D. Slivka ◽  
Lisa J. Lapidus ◽  
...  

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