مواد 027

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علم المواد، • للدكتور/ وليد خليفة، • المحاضرة السادسة: الخواص الميكانيكية للفلزات، الجزء الثانى: اختبار الشد • تم تدريس محتوى هذه المحاضرة، لطلبة السنة الأول فى قسم التعدين، وقسم القوى والآلات الكهربائية، كلية الهندسة -جامعة القاهرة، سنة 2011 • Materials Science, • By Dr Waleed Khalifa, • Lecture 6: Mechanical Properties of Metals- part two: Tensile Test • The content of this lecture was taught to the first grade students of the department of Mining, Petroleum and Metallurgy, and the department of Electrical Power Engineering, Faculty of Engineering, Cairo University, Egypt, in 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