Materials Characterisation Flashcards
What is the maximum magnification for optical microscopy?
1000x
What is the maximum magnification for Scanning Electron Microscopy?
600,000x
What is the maximum magnification for Transmission Electron Microscopy
1,000,000x
What are the three types of microscopy?
- Optical Microscopy
- Scanning Electron Microscopy
- Transmission Electron Microscopy
What is used to study the phase, grain and particle size of Nanomaterials?
X-Ray diffraction analysis
What is used to measure the changes of phase transitions?
Differential Scanning Calorimetry
What is used to analyse the chemical composition of substances through heating?
Differential Thermal Analysis
Name the three types of hardness tests
- Vickers
- Brinell
- Rockwell
What are the applications of the Vickers hardness test?
Universal
What are the applications of the Brinell hardness test?
Soft materials
What are the applications of the Rockwell hardness test?
Hard materials
Why is Vickers not the only hardness test?
Much more expensive
What shape is used in the specimens for tensile testing?
Dog Bone
How is a tensile test graph plotted?
Using force and displacement
Label each point
- Elastic Deformation
- Yield Strength
- Plastic Deformation
- Ultimate Tensile Strength
- Break Point
What law applies during Elastic deformation?
Hooke’s Law
What materials property is the elastic region used to calculate?
Young’s Modulus
Name two more types of tests performed on material samples
- Impact Charpy Test
- Fatigue test
What are the two main aims of thermomechanical processing?
- Give materials desired shape and geometry
2. Improve microstructure and properties
What are the two types of forging?
Open die and closed die forging
What treatment might take place after cold rolling of a metal?
Annealing
