Materials Science vs Materials Engineering
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Questions and Answers

What is the primary focus of Materials Science?

  • Developing materials for desired technological applications
  • Investigating the relationships between structures and properties of materials (correct)
  • Understanding and modeling the characteristics of materials
  • Creating and studying materials at the atomic level

    • What distinguishes the Iron Age from the Bronze Age in terms of material processing?

  • Mastery of Steel (Iron alloy) technology (correct)
  • Control of microstructure at different length scales
  • Ability to heat treat at high temperatures
  • Using naturally occurring materials with only changes in shape

    • What enabled the Industrial Revolution in the 18th and 19th century?

  • Mastery of Steel (Iron alloy) technology (correct)
  • Discovery of polymers and the ability to synthesize and process polymers
  • Control of microstructure at different length scales
  • Ability to heat treat at high temperatures

    • Which field uses computers to understand and model the characteristics of materials and their components?

    <p>Materials Engineering</p> Signup and view all the answers

    What marks a significant difference between the Stone Age and the Bronze Age in material processing?

    <p>Ability to modify materials by refining, chemical modifications, and mechanical deformation</p> Signup and view all the answers

    What is the primary feature of the Plastic Age in material history?

    <p>Discovery of polymers and the ability to synthesize and process polymers</p> Signup and view all the answers

    What is the distinction between crystalline and amorphous structures based on the arrangement of atoms/molecules/ions?

    <p>Crystalline structures are arranged in a metallike order, while amorphous structures have atoms arranged in disorder like polymers.</p> Signup and view all the answers

    In the context of materials, what are Liquid Crystals and Solid Electrolytes considered to be?

    <p>Both are considered to be between liquids and crystals, with highly mobile ions in a 'molten' sublattice.</p> Signup and view all the answers

    How is the effectiveness and behavior of each material determined?

    <p>By its structure, microscopic properties, and band structure.</p> Signup and view all the answers

    What types of materials can be classified based on the size of the entity in question?

    <p>Nanocrystals, Nanoquasicrystals, etc.</p> Signup and view all the answers

    What is the main factor used to classify materials into Metals, Semi-metals, Semiconductors, and Insulators?

    <p>Band Structure</p> Signup and view all the answers

    What future field involves the synthesis and characterizations of nanomaterials and nanostructures?

    <p>Nanotechnology</p> Signup and view all the answers

    What material property makes ceramics more durable in a toxic environment than metals and polymers?

    <p>High temperature resistance</p> Signup and view all the answers

    Which type of material has its polymerization process occur by connecting small molecules to form a large molecule?

    <p>Metal</p> Signup and view all the answers

    In the context of materials, which material has the highest electrical conductivity?

    <p>Metal</p> Signup and view all the answers

    What type of material exhibits the property of being an electron sea that holds positive charges together?

    <p>Metal</p> Signup and view all the answers

    Which type of material has the property of being a good electrical insulator and demonstrating high flexibility?

    <p>Polymer</p> Signup and view all the answers

    What distinguishes nonferrous metals and alloys from ferrous metals and alloys?

    <p>Inclusion of non-metal elements</p> Signup and view all the answers

    Which level of structure involves the arrangement of atoms or molecules in a metallike order?

    <p>Crystal structure</p> Signup and view all the answers

    What type of processing can result in microstructural changes directly affecting material properties?

    <p>Both heat and mechanical force processing</p> Signup and view all the answers

    Based on chemical properties and atomic arrangement, how many main groups can materials be divided into?

    <p>3</p> Signup and view all the answers

    Which material, depending on its structure, may be transparent, translucent or illuminated?

    <p>Alumina (Al2O3)</p> Signup and view all the answers

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