c) You have been given a sample of a malfunctioned airplane wing, which is made of aluminium. The company offered you an access to a tensile testing equipment and magnetic particles inspection equipment to investigate the malfunctioning behaviour. The results of your experiment were as follows: Load (KN) 13 29 36 Extension (mm) 0.2 0.4 0.7 0.9 1.5 2.5 70 95 10 132 147 145 130 8.5 10 12 Table 1: Tensile Testing Results (Load Extension) 1. Given that the length of the sample is 90 mm and the diameter of it is 7 mm i. Draw the stress stain diagram. Find the yield stress (in KN/mm'). 1. ii. Find the ultimate tensile stress (in KN/mm"). At a point on the proportional section, calculate the modulus of Elasticity iv. (Young's modulus). Hint: when calculating the Elasticity, use the stress strain numbers, not the force numbers

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Answer question 2 of c, please.

c) You have been given a sample of a malfunctioned airplane wing, which is made of aluminium.
The company offered you an access to a tensile testing equipment and magnetic particles inspection
equipment to investigate the malfunctioning behaviour. The results of your experiment were as
follows:
Load (KN)
13
29
36
Extension (mm)
0.2
0.4
0.7
0.9
1.5
2.5
70
95
10
132
147
145
130
8.5
10
12
Table 1: Tensile Testing Results (Load Extension)
1. Given that the length of the sample is 90 mm and the diameter of it is 7 mm
i. Draw the stress stain diagram.
Find the yield stress (in KN/mm').
1.
ii.
Find the ultimate tensile stress (in KN/mm").
At a point on the proportional section, calculate the modulus of Elasticity
iv.
(Young's modulus).
Hint: when calculating the Elasticity, use the stress strain numbers, not the
force numbers
Transcribed Image Text:c) You have been given a sample of a malfunctioned airplane wing, which is made of aluminium. The company offered you an access to a tensile testing equipment and magnetic particles inspection equipment to investigate the malfunctioning behaviour. The results of your experiment were as follows: Load (KN) 13 29 36 Extension (mm) 0.2 0.4 0.7 0.9 1.5 2.5 70 95 10 132 147 145 130 8.5 10 12 Table 1: Tensile Testing Results (Load Extension) 1. Given that the length of the sample is 90 mm and the diameter of it is 7 mm i. Draw the stress stain diagram. Find the yield stress (in KN/mm'). 1. ii. Find the ultimate tensile stress (in KN/mm"). At a point on the proportional section, calculate the modulus of Elasticity iv. (Young's modulus). Hint: when calculating the Elasticity, use the stress strain numbers, not the force numbers
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