Material Performance and Impact Analysis

What is the primary factor determining a material's ability to absorb and dissipate energy when impacted?

•  Density of the material

• Chemical composition

• Behavior of sound waves

• Crystal structure

According to the researchers, what is proportional to the density and speed of sound in a material?

• Brittleness

  
  

• Total energy absorbable

• Hardness

• Elastic modulus

 In ceramics, what determines the ratio of brittle to plastic deformation?

• Ratio of speed of sound to loading rate

• Porosity

•  Chemical composition

  
  

• Grain size

What phenomenon did the researchers observe that suggested optimized structural design could involve a larger volume of material in energy dissipation?

• Shockwaves

  
  

• Elastic rebound

• 'Reverse' impact cones

• Micro-cracks

What property of the newly designed ceramic contributed to its excellent impact resistance?

• High electrical resistance

• High density

• Low thermal conductivity

•     Very high speed of sound