Tensile Testing (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does tensile testing determine?
What does tensile testing determine?
Ultimate tensile strength
What equipment is used to perform tensile tests?
What equipment is used to perform tensile tests?
Universal testing machine
What is the specific shape of a tensile test specimen called?
What is the specific shape of a tensile test specimen called?
Dogbone design
Why is the dogbone shape used for test specimens?
Why is the dogbone shape used for test specimens?
Ensures failure in controlled area
Why can't load-extension graphs directly compare different materials?
Why can't load-extension graphs directly compare different materials?
They are specimen-specific
How is stress calculated in tensile testing?
How is stress calculated in tensile testing?
What are the units of strain?
What are the units of strain?
No units
What happens during elastic deformation?
What happens during elastic deformation?
Material returns to original length
What is the yield point?
What is the yield point?
Transition to plastic deformation
What happens to the material after reaching ultimate tensile strength?
What happens to the material after reaching ultimate tensile strength?
Material begins to neck
What type of fracture do ductile materials show?
What type of fracture do ductile materials show?
Cup and cone fracture
What characteristic defines brittle fracture?
What characteristic defines brittle fracture?
Sudden break with little deformation