Question

 

Describe the various methods of creating point defects. Discuss the constructive (positive) effect of dislocations in materials. 

19 Jan 2026
Answer :
Word Count : 259
Point defects in crystalline solids are created by several physical and chemical methods that disturb the ideal atomic arrangement. Thermal agitation is the most common method, where vacancies and interstitials are generated at elevated temperatures due to increased atomic vibrations, and their concentration follows thermodynamic equilibrium. Irradiation by high-energy particles such _______ _______ _____ __________ ________ _________ ____ _____.
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