You can access high-quality course materials and textbooks through the following official and academic portals: :
University of Biskra : Offers a structured textbook (Tome I) covering metallurgy, alloys, and fundamental principles.
Batna 2 University : Provides detailed course notes on the properties and classification of materials.
Scribd : Contains user-uploaded course presentations on materials for mechanical engineering. Key Topics Included
Most of these PDFs are structured to help engineering students master: