GATE MT 2019 Q5. The fastest diffusing element in iron at 1100 degree Celsius is
GATE MT 2019 Q5. The fastest diffusing element in iron at 1100 degree Celsius is
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Diffusion of interstitial elements are higher than that of substitutional one due to smaller size that's why carbon is fastest diffusing elements among the given options.
Diffusion of interstitial elements are higher than that of substitutional one due to smaller size that’s why carbon is fastest diffusing elements among the given options.
See lessCarbon is fastest diffusing element in iron because it requires small impurity atoms to fit into interstices of host than any other element and moreover interstitial diffusion is faster than any type of diffusion.
Carbon is fastest diffusing element in iron because it requires small impurity atoms to fit into interstices of host than any other element and moreover interstitial diffusion is faster than any type of diffusion.
See lessCorrect answer is option D. @Arpita Samal described it best. Thank you.
Correct answer is option D. Arpita Samal described it best. Thank you.
See lessCarbon is interstitial solute while others form substitutional solution.
Carbon is interstitial solute while others form substitutional solution.
See lessCarbon, it is an interstitial diffusion.
Carbon, it is an interstitial diffusion.
See lessDiffusion rate is higher for smaller solute atoms. Comparatively,C being the interstitial atom it diffuses faster.
Diffusion rate is higher for smaller solute atoms. Comparatively,C being the interstitial atom it diffuses faster.
See lessCarbon is the answer due to its lower diameter.
Carbon is the answer due to its lower diameter.
See lessBasic reason is size of carbon atom.
Basic reason is size of carbon atom.
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