Smart Materials Lecture 2: Classification and Reactions
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Questions and Answers

What is the main characteristic of color changing smart materials?

  • They change color when exposed to external stimuli (correct)
  • They retain color regardless of the surrounding environment
  • They change shape when exposed to light
  • They emit light when exposed to temperature change
  • Which type of smart materials changes color directly when exposed to temperature change?

  • Shape-changing materials
  • Light-emitting materials
  • Chemically-reactive materials
  • Thermochromics materials (correct)
  • What can thermochromics materials be used for, in addition to changing color?

  • Producing light
  • Temperature measurement (correct)
  • Chemical reactions
  • Changing shape
  • How do color changing smart materials differ in their response to the surrounding environment?

    <p>The change in color depends on the type of material and the external stimuli</p> Signup and view all the answers

    In which country were chromium and thermal materials used for furniture covers in the Tiata Chair?

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

    What happens to the table cover of the Tiata Chair when exposed to high temperatures?

    <p>Drawings and various shapes appear</p> Signup and view all the answers

    What is the main characteristic of Thermochromic Materials?

    <p>They change color in response to body heat</p> Signup and view all the answers

    How does the appearance of 'Touch me wallpaper' change when exposed to body heat?

    <p>It creates patterns with hands</p> Signup and view all the answers

    What is the primary characteristic of Photochromic Material?

    <p>It becomes colorless in dark places</p> Signup and view all the answers

    What is the application of photoelectric materials in architecture and interior design?

    <p>Use in facades of glass buildings</p> Signup and view all the answers

    What happens to the electrochromic wallpaper when exposed to an electric field?

    <p>It changes its degree of transparency or opacity</p> Signup and view all the answers

    What is the unique feature of Thermochromic Materials compared to Photochromic Materials?

    <p>Changing color in response to body heat</p> Signup and view all the answers

    What is the main drawback of using self-tinting glass in architecture and interior design?

    <p>High manufacturing costs</p> Signup and view all the answers

    How do Thermochromic Materials behave when the temperature slightly increases?

    <p>They start to appear in a small size</p> Signup and view all the answers

    What is unique about 'Touch me wallpaper' compared to other wallpapers?

    <p>It invites people to touch it and create patterns with their hands</p> Signup and view all the answers

    What is the effect of exposure to sunlight on Photochromic Materials?

    <p>They show drawings and patterns clearly</p> Signup and view all the answers

    What is the primary characteristic of electrochromic wallpaper?

    <p>It changes color directly when exposed to light</p> Signup and view all the answers

    How do color changing smart materials differ in their response to the surrounding environment?

    <p>They have different responses based on surrounding conditions like thermal, light, chemical, or electrical stimuli</p> Signup and view all the answers

    What is the main drawback of using self-tinting glass in architecture and interior design?

    <p>It is relatively expensive compared to other smart materials</p> Signup and view all the answers

    What is the main characteristic of Photochromic Material?

    <p>It changes color directly when exposed to light</p> Signup and view all the answers

    What can thermochromics materials be used for, in addition to changing color?

    <p>Serving as a temperature measurement device</p> Signup and view all the answers

    What happens to the table cover of the Tiata Chair when exposed to high temperatures?

    <p>Drawings and various shapes appear on it</p> Signup and view all the answers

    What is the primary characteristic of thermochromic materials?

    <p>They change color in response to body heat</p> Signup and view all the answers

    What happens to the appearance of the 'Touch me wallpaper' when exposed to body heat?

    <p>It develops flower patterns</p> Signup and view all the answers

    Which type of smart materials changes color directly when exposed to a change in temperature?

    <p>Thermochromic materials</p> Signup and view all the answers

    What is the main drawback of using self-tinting glass in architecture and interior design?

    <p>High manufacturing costs</p> Signup and view all the answers

    What is the primary characteristic of photochromic material?

    <p>Changes color based on the intensity of light</p> Signup and view all the answers

    What is unique about 'Touch me wallpaper' compared to other wallpapers?

    <p>It reacts to body heat and changes appearance</p> Signup and view all the answers

    What is the effect of exposure to sunlight on photochromic materials?

    <p>They change molecular structure to show color</p> Signup and view all the answers

    What can thermochromic materials be used for, in addition to changing color?

    <p>They can be used for cladding of walls and floor</p> Signup and view all the answers

    What is the application of photoelectric materials in architecture and interior design?

    <p>They are used for self-tinting glass facades</p> Signup and view all the answers

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