Materials like Fiberglass or Carbon Fiber Reinforced Polymers (CFRP) engineered for specialized strength-to-weight ratios. 2. Crystallography and Phase Diagrams
The Massachusetts Institute of Technology provides free access to materials from their "Introduction to Solid-State Chemistry" and "Materials Science and Engineering" courses. This includes downloadable lecture notes, assignments, and exam papers. 3. LibreTexts Materials Science
The iron-carbon equilibrium diagram is a vital roadmap for metallurgists. It charts the phases present in steel and cast iron at varying temperatures and carbon concentrations:
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