Select testing systems for fatigue investigations.

• Resonance testing machine

• Impact testing machine

• Servo-hydraulic testing machine

• Ultrasonic testing system

• Electromagnetic testing system

Select types of hardness testing methods.

• Besseler

• Brinell

• Vickers

• Instrumented indentation

• Instructed indentation

Which parameters are measured additionally during instrumented indentation compared to conventional hardness testing?

• Multiaxiality

• Increasing forces

• Increasing strain rate

• Decreasing temperature

• Increasing temperature

Select sensors standardly applied within tensile tests.

• Load cell

• Microphone

• Extensometer

• Resistor

Select elements of a polycrystalline metal structure.

• Uniform precipitate

• Coherent precipitate

• Substituted foreign atom

• Screw dislocation

• Nut disclocation

Select types of aberrations.

• Spherical aberration

• Chromatic aberration

• Alignment aberration

• Astigmatism

• Destigmatism

Select types of sensors used for force measurement during a tensile test.

• Servo hydraulic

• Resistive

• Ferromagnetic

• Piezo-electric