Lect-4 introduction to the classification of materials
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Transcript of Lect-4 introduction to the classification of materials
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Manufacturing materials --- IE251 lect-4, Slide 1
Lect-4 introduction to the classification
of materialsIndustrial Material Applications, IE251
Dr M. A. EissaKing Saud University
College of EngineeringDepartment of Industrial Engineering
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Manufacturing materials --- IE251 lect-4, Slide 2
Classification of Materials
• Functional Classification of Materials• Classification of Materials Based on Structure• Environmental and Other Effects• Materials Design and Selection
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Manufacturing materials --- IE251 lect-4, Slide 3
Classification of Materials• Metals and Alloys• Ceramics, Glasses,and Glass-ceramics• Polymers (plastics), Thermoplastics and
Thermosets• Composite Materials
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Manufacturing materials --- IE251 lect-4, Slide 4
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Manufacturing materials --- IE251 lect-4, Slide 5
Functional Classification ofMaterials
• Aerospace• Biomedical• Electronic Materials• Energy Technology and Environmental
Technology• Magnetic Materials• Photonic or Optical Materials• Smart Materials• Structural Materials
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Manufacturing materials --- IE251 lect-4, Slide 6
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Manufacturing materials --- IE251 lect-4, Slide 7
Classification of Materials-Based on Structure
• Crystalline material is a material comprised of one or many crystals. In each crystal, atoms or ions show a long-range periodic arrangement.– Single crystal is a crystalline material that is made of only
one crystal (there are no grain boundaries).– Polycrystalline material is a material comprised of many
crystals (as opposed to a single-crystal material that has only one crystal).
• Grains are the crystals in a polycrystalline material.• Grain boundaries are regions between grains of a
polycrystalline material.
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Manufacturing materials --- IE251 lect-4, Slide 8
Environmental and Other Effects
• Effects of following factors must be accounted for in design to ensure that components do not fail unexpectedly:
• Temperature• Corrosion• Fatigue• Strain Rate
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Manufacturing materials --- IE251 lect-4, Slide 9
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Manufacturing materials --- IE251 lect-4, Slide 10
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Manufacturing materials --- IE251 lect-4, Slide 11
Materials, process and shape
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Manufacturing materials --- IE251 lect-4, Slide 12
The world of materials
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Manufacturing materials --- IE251 lect-4, Slide 13
Basic material properties
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Manufacturing materials --- IE251 lect-4, Slide 14
Mechanical properties illustrated
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Manufacturing materials --- IE251 lect-4, Slide 15
Materials Data Organisation: