Since at elevated temperatures slip planes also get activated and it becomes ductile why is it that it shows cracking behavior? Is it something to do with thermodynamic concept as well
If I understand you correctly you want to know why some surfaces tend to get cracks when they are heated. This is mostly just because of thermal expansion - if you have two layers of different materials with different thermal expansion coefficient one of those will expand more than the other. If they are rigid connected the one with the lower thermal expansion coefficient will crack. This does not have anything to do with the atmosphere the materials are in.
I hope, I got your question right.
Dear Dr. Aarif,
But what is the connection of noble gases with 'cracking behavior'? My group has been performing extensive calculations for the scattering and thermophysical properties of noble gases (both quantum and classical); but we have never encountered any such connection. Please clarify your question.
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