Phase analysis of surface layers by Mössbauer spectroscopy

1984 ◽  
Vol 39 (12) ◽  
pp. 1505-1511 ◽  
Author(s):  
W. Meisel
Keyword(s):  
Mössbauer Spectroscopy ◽  
Phase Analysis ◽  
Mossbauer Spectroscopy ◽  
Surface Layers ◽  
Mößbauer Spectroscopy

scholarly journals Phase analysis of two steel work rolls using Mössbauer spectroscopy

2000 ◽  
Vol 31 (3) ◽  
pp. 793-798 ◽  
Author(s):  
Sei Jin Oh ◽  
Soon-Ju Kwon ◽  
Hongsug Oh ◽  
Sunghak Lee ◽  
Keun Chul Hwang
Keyword(s):  
Mössbauer Spectroscopy ◽  
Phase Analysis ◽  
Mossbauer Spectroscopy ◽  
Steel Work ◽  
Mößbauer Spectroscopy ◽  
Work Rolls

A Conversion-Electron Mssbauer Study of Tin-Based Compounds Formed During Pads Treatment (Plasma-Assisted Dry Soldering) of a Solder Foil

1996 ◽  
Vol 445 ◽  
Author(s):  
Robert C. Reno ◽  
Brett Piekarski
Keyword(s):  
Mössbauer Spectroscopy ◽  
Conversion Electron ◽  
Treatment Cycle ◽  
Mossbauer Spectroscopy ◽  
Surface Layers ◽  
Soldering Process ◽  
Mößbauer Spectroscopy ◽  
Surface Oxides ◽  
Mössbauer Spectroscopy Cems

AbstractWe have used conversionelectron Mössbauer spectroscopy (CEMS) to examine the surfaces of solder foils treated in a plasma assisted dry soldering (PADS) system which has been developed1 to convert surface oxides to more desirable fluorides in order to protect the solder surface prior to assembly and to eliminate the need for flux during the soldering process. CEMS samples only the outer 1 μm of a solder foil and this, coupled with the fortuitous fact2 that Mössbauer spectroscopy is 10–20 times more sensitive to oxides and fluorides than to the metallic form of solder, means that surface layers of oxides and fluorides as thin as 10 nm can be detected and chemically identified. We have followed the evolution of surface layers produced in PADS treatments ranging from 7 minutes to several hours. Our results show that fully treated foils contain surface layers of SnF2 and Sn2F6. Partially treated foils also contain some SnO2 and perhaps a small amount of SnO. No Sn2OF2 or SnF4 was produced during any portion of the PADS treatment cycle.

Phase analysis of Fe-Nd-B alloys by Mossbauer spectroscopy

1985 ◽  
Vol 15 (5) ◽  
pp. L129-L133 ◽  
Author(s):  
A Kostikas ◽  
V Papaefthymiou ◽  
A Simopoulos ◽  
G C Hadjipanayis
Keyword(s):  
Mössbauer Spectroscopy ◽  
Phase Analysis ◽  
Mossbauer Spectroscopy ◽  
Mößbauer Spectroscopy
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