Practice Question 7
7.1 Mrs Hegde wants to make a security door for her house.
(a) What material should she use to make the door?
(b) How will the door made of this material keep her house secure? Write two ways in which it
will help.
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Answer:
A) Titanium is the best metal for making strong door
B) The very properties that make titanium such a beneficial and high-performance metal are also the properties that can make it difficult to machine. ... Titanium alloys have a low Young's modulus, which causes spring back and chatter during machining.
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