Q1-A cylindrical specimen of a aluminum alloy having an elastic modulus of 120 GPa and an original diameter of 4.2 mm will experience only elastic deformation when a tensile load of 4000 N is applied. Compute the maximum length of the specimen before deformation if the maximum allowable elongation is 0.65 mm. Q2- (a) A 15-mm-diameter Brinell hardness indenter produced an indentation 2.5 mm in diameter in a

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q1-A cylindrical specimen of a aluminum alloy having an elastic modulus of 120 GPa and an
original diameter of 4.2 mm will experience only elastic deformation when a tensile load of
4000 N is applied. Compute the maximum length of the specimen before deformation if the
maximum allowable elongation is 0.65 mm.
Q2- (a) A 15-mm-diameter Brinell hardness indenter produced an indentation 2.5 mm in diameter in a
steel alloy when a load of 750 kg was used. Compute the HB of this material.
(b) What will be the diameter of an indentation to yield a hardness of 450 HB when a 500 kg load is
used?
Transcribed Image Text:Q1-A cylindrical specimen of a aluminum alloy having an elastic modulus of 120 GPa and an original diameter of 4.2 mm will experience only elastic deformation when a tensile load of 4000 N is applied. Compute the maximum length of the specimen before deformation if the maximum allowable elongation is 0.65 mm. Q2- (a) A 15-mm-diameter Brinell hardness indenter produced an indentation 2.5 mm in diameter in a steel alloy when a load of 750 kg was used. Compute the HB of this material. (b) What will be the diameter of an indentation to yield a hardness of 450 HB when a 500 kg load is used?
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