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 (B)</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 (C)</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 (D)</p> Signup and view all the answers

What is the main characteristic of Thermochromic Materials?

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

What is the primary characteristic of Photochromic Material?

<p>It becomes colorless in dark places (B)</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 (D)</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 (C)</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 (A)</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 (B)</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 (B)</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 (B)</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 (D)</p> Signup and view all the answers

What is the primary characteristic of electrochromic wallpaper?

<p>It changes color directly when exposed to light (B)</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 (C)</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 (A)</p> Signup and view all the answers

What is the main characteristic of Photochromic Material?

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

What is the primary characteristic of thermochromic materials?

<p>They change color in response to body heat (C)</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 (D)</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 (B)</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 (A)</p> Signup and view all the answers

What is the primary characteristic of photochromic material?

<p>Changes color based on the intensity of light (D)</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 (C)</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 (D)</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 (A)</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 (D)</p> Signup and view all the answers

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