Chapter2ba

Chapter2ba - © 2003 Bil Young 1 Materials& Processes in...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: © 2003 Bil Young 1 Materials & Processes in Manufacturing ME 151 Chapter 2 Properties of Materials ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ © 2003 Bil Young 2 Introduction Material selection is one of the most important aspects of the design process Material selection directly affects product _______ and ___ Material selection criteria is based on meeting the following characteristics for each part or component • _____________ Characteristics (strength, rigidity, resistance to fracture, withstand vibration & impact) • ___________ Characteristics (weight, electrical properties, thermal properties, magnetic properties) • ______________ Characteristics (ability to operate under temperature extremes, resist corrosion) ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ © 2003 Bil Young 3 Various ways of classifying or distinguishing between engineering materials • Metallic vs Nonmetallic Materials • Physical vs Mechanical Properties • Stress and Strain • ________ Properties • Dynamic Properties • Temperature Effects on Materials ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ © 2003 Bil Young 4 Metallic vs. Nonmetallic Materials Metallic Materials • Luster • High Thermal Conductivity • High Electrical Conductivity • Good Ductility • Good Magnetic Properties • Examples: iron, copper, aluminum, lead, etc.. Nonmetallic Materials • Wide Range of Properties • Poor Thermal Conductivity • Poor Electrical Conductivity • Less Ductile • Weaker • Examples: wood, brick, concrete, glass, rubber, plastics, etc.. ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ © 2003 Bil Young 5 Physical vs. Mechanical Properties __________________ - Properties insensitive to structure which can be measured without applying force [Density, Melting Point, Thermal Conductivity, Magnetic Properties, Electrical Conductivity] ____________________ - Describe a material response to applied loads [Young’s Modulus, Resilience, Ductility, Toughness, Hardness, Brittleness, Strength, Etc…] ___________________________________...
View Full Document

  • Spring '08
  • AlanT.Male
  • Tensile strength, Bill Young, ___________________________________ ___________________________________

Page1 / 7

Chapter2ba - © 2003 Bil Young 1 Materials& Processes in...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online