ME 7th Sem | Advanced Welding Technology | Module 3 | Bengali

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এই ভিডিওতে আমরা আলোচনা করবো Module 3 of Advanced Welding Technology, যেখানে weld metallurgy, heat flow, solidification structure, welding defects এবং residual stresses সহজ English + Bengali mix ভাষায় ব্যাখ্যা করা হয়েছে।

🎯 এই ভিডিওতে আপনি শিখবেন:

Introduction to Weld Metallurgy

Heat Flow in Welding

Cooling Rate & Solidification Structure

Weld Metal & HAZ (Heat Affected Zone)

Types of Welding Defects

Porosity

Cracks

Undercut

Lack of Fusion

Inclusion

Residual Stresses in Welding

Distortion and Its Control

Metallurgical Factors Affecting Weld Quality

Industry-based Real Applications

এই ভিডিওটি WBSCTVESD ME 7th Semester syllabus অনুযায়ী তৈরি, যাতে weld metallurgy ও defect control concepts সহজে বোঝা যায়।
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