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Transition from interfacial to diffusional growth during hydrogenation of Mg

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Title Transition from interfacial to diffusional growth during hydrogenation of Mg
 
Creator SHRINIWASAN, S
TIEN, HY
TANNIRU, M
EBRAHIMI, F
TATIPARTI, SSV
 
Subject KINETICS
ABSORPTION
MAGNESIUM
HYDRIDE
ALLOYS
Interfacial
Diffusional
Growth
Hydrogenation
Kinetics
MgH2
 
Description The transition from interfacial to diffusional growth during hydrogenation of Mg -> MgH2 (hydride) at 210 degrees C for 300 min is studied using Johnson-Mehl-Avrami-Kolmogorov equation (alpha = 1 - exp(- kt(n))). The growth dimensionality (n) decreases from 0.73 to 0.23. 1D (hydride/metal) interfacial growth occurs when n > 0.50, suggested by constant interface velocity (U). Diffusional growth at n
 
Publisher ELSEVIER SCIENCE BV
 
Date 2016-01-15T04:37:17Z
2016-01-15T04:37:17Z
2015
 
Type Article
 
Identifier MATERIALS LETTERS, 161,271-274
0167-577X
1873-4979
http://dx.doi.org/10.1016/j.matlet.2015.08.116
http://dspace.library.iitb.ac.in/jspui/handle/100/17775
 
Language en