CV
Questions
TOUGHNESS MEASUREMENT IN DIRECT RESIN COMPOSITES USING QUANTITATIVE FRACTOGRAPHIC ANALYSIS
CV
Brendan Angus is a Masters Student at the University of Florida pursuing a degree in Materials Science and Engineering. He earned his Bachelor’ s degree in Materials Science and Engineering at the University of Florida in May of 2017. His research focuses on the fractography of dental composites.
Questions
Brendan M. ANGUS
BS, Research Assistant Materials Science and Engineering Department
College of Engineering, University of Florida Gainesville, FL, USA
1. The fracture toughness of the resin composites was measured using: |
qa. qb. qc. |
Single edge notch test;
Compact tension test;
Quantitative fractography;
|
qd. |
Double torsion test. |
2. The elastic modulus was calculated using: qa. The slope of the stress-strain curve; qb. The sonic modulus technique; qc. Knoop indentation; qd. Vickers indentation.
3. The value for the fracture toughness found was: qa. In agreement with comparable studies; qb. Lower than values found in comparable studies; qc. Greater than values found in comparable studies; qd. Not compared to values found in other studies.
4. Quantitative fractography uses what measurements to calculate fracture toughness? qa. Crack size and stress at failure; qb. Crack size and elastic modulus; qc. Elastic modulus and stress at failure; qd. Stress at failure and Vickers hardness.
Original Article http:// prosthodontics. conferenceseries. com / scientific-program
Stomatology Edu Journal
23