Impact Testing (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What type of testing method is impact testing?
What type of testing method is impact testing?
Destructive testing
What property of a material does impact testing measure?
What property of a material does impact testing measure?
Toughness
What does toughness refer to in impact testing?
What does toughness refer to in impact testing?
Ability to absorb energy before breaking
What is the key measurement in impact testing?
What is the key measurement in impact testing?
Energy used to break the specimen
How does the pendulum behave after striking a tough material?
How does the pendulum behave after striking a tough material?
Doesn't swing very far past specimen
How is the test specimen positioned in an Izod test?
How is the test specimen positioned in an Izod test?
Vertically in a vice
How is the test specimen positioned in a Charpy test?
How is the test specimen positioned in a Charpy test?
Horizontally between two supports
Where does the striker hit the specimen in an Izod test?
Where does the striker hit the specimen in an Izod test?
The free end of the specimen
Why is a notch cut into the test specimen?
Why is a notch cut into the test specimen?
To ensure predictable breaking location
What is the typical cross-section size of an impact test specimen?
What is the typical cross-section size of an impact test specimen?
10mm × 10mm
How does a brittle fracture appear in impact testing?
How does a brittle fracture appear in impact testing?
Snaps suddenly with a clean break
What do engineers examine to understand material behavior in impact testing?
What do engineers examine to understand material behavior in impact testing?
Energy absorbed & fractured surfaces