• Glossary
  • BMW Specification for all suppliers for surface test of motor vehicle interior materials
  • determine the amount of color transferred from textile materials (such as fabric, carpeting, yarn and leather) to other surfaces by rubbing
  • changes in an object s shape or form due to the application of a form Depending on the type of material, size and geometry of the object, and the forces applied, various types of deformation may result, for example, elastic, permanent
  • A property of the resistance against wear, abrasion, decay
  • When two objects touch, a certain portion of their surface areas will be in contact with each other Also usable for haptic evaluation  Because of the shape of the human finger tip, we only can perceive the uppermost microns of an object s surface
  • Elasticity is the ability of a body to resist a distorting influence or stress and to return to its original size and shape when the stress is removed
  • a mark of abrasion on a surface by human fingernail
  • The tendency that human fingerprint is imprinted onto the surface of the product
  • a level tract of land
  • This type of deformation is also irreversible A break occurs after the material has reached the end of the elastic, and then plastic, deformation ranges At this point forces accumulate until they are sufficient to cause a fracture
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