1. What is the difference between adhesion and cohesion? (5 pts.)
2. Ultrasonic welding utilizes both vibration and whatto affect a weld? (5 pts.)
3. What types of materials are difficult to weld and what can we do to enhance weldability. (15 pts.)
4. Butt welds are particularly poor at retaining loads in shear, what can you do to improve your design? (15 pts.)
5. What can enhance weldability of a far-field weld? (5 pts.)
6. What simple welding technique can be utilized for cylindrical parts? (5 pts.)
7. What welding technique is useful when trying to bond complicated 3D parting lines? (5 pts.)
8. What welding technique is noted as a reversible process, thus enhancing the recyclability of a product? (5 pts.)
9. What characteristic of a part is critical to weldability with the laser welding technique? (5 Pts.)
10. Solvent adhesive bonding has come out of favor in the US versus other assembly methods. Explain why. (10pts.)
11. What property of materials is the primary indicator of good adhesive selection? (5pts.)
12. Name five other basic selection criteria for adhesives? (10pts.)
13. What is the T-Peel test? (10 pts.)