I have made a mistake in this video at 9:20. I say , and also write, that the ductile-to-brttle transition temperature increases with smaller grain size. This is incorrect. The correct statement is that the DBTT is lowered with decreasing grain size. Sorry for the confusion. I thank Ajith for pointing this out. Rajesh Prasad
@bs143
4 жыл бұрын
8:51 Carburisation can make surface harder. How does it resist crack? and are compressive streese introduced due to strain created by these carbon atoms?
@SatishGupta-oz8zr
3 жыл бұрын
Sir viewing your valuable videos very interested & informative. Please tell about soaking time for Aluminium Circles after annealing in furnace. Await your reply
@rahulmeenamitm
7 ай бұрын
Hi sir one que. Is why FCC structure offers more resistance to creep..?
@metallurgist8326
3 жыл бұрын
1). In what way increase in DBTT favoured? 2).Fine grains leads to high DBTT or low DBTT??
@introductiontomaterialsscience
3 жыл бұрын
Fine grains enhance ductility. In other words, the DBTT should go down.
@rajagulshaansheikh8605
6 жыл бұрын
Just wanted to ask one query... The way you teach fracture resistance feels that Increasing ductility(decreasing brittleness) is equivalent to increasing fracture resistance... Is this always a case... If this was case then Why a brittle material can't have good fracture resistance
@anilkumarverma6978
3 жыл бұрын
Sir,, Your way to explain is extraordinary, even a beginner may understand easily ,,I request you to please start a MCQ series on the topics you had explained.
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