Chapter 3 - Sustainability for engineering applications

Question 1

Think in circles

Answer 1

• Primary Materials
• Manufacturing
• Re-use (Landfill - Combust)
• Re-Engineer
• Recycle

Question 2

Challenges of Emerging Materials

Answer 2

• Accelerated testing concepts for new materials and hybrid structures =high throughout methods
• New materials and/or design principles for infinite life
• Multifunctional materials and new functions self-sensing, shape memory, self healing, self cleaning

Question 3

Engineering of Hybrid Materials: Sustainable Processees

Answer 3

• Solid state welding of Multi-Metal-Joints
• Joining of light alloys to composites
• Development of new technologies: Repair, Reuse of Multi-Metal-Joints

Question 4

Material Efficiency

Answer 4

Retain as much material in the consumption loop with as little input from material production, and as little lost at the end of life, as possible.

Question 5

Measures contributing to Materials Efficiency

Answer 5

• Engineering Solutions
• Legislation
• Lifestyle

Question 6

Material life Cycles showing the interventions to increase material efficiency

Answer 6

• Material Production
• Product Manufacturing
• Product Use
• End of first life

Question 7

5 Levers to minimize impacts 1

Answer 7

• Extract-Beneficiate
  -Design
• Manufacture
• Use
• Dispose

Question 8

5 Levers to minimize impacts 2

Answer 8

• Lifetime extension
• Dematerialization and manufacturing efficiency
• Substitution
• Recovery