A standard 0.505-in.-diameter tensile barwas machined to a 2.00-in.-gage lengthfrom a copper-nickel alloy and the follow-ing data were collected:Load (Ibs)Gage Length (in.)2.000001,0002.000452,0002.000913,0002.001364,0002.00206,0002.0208,0002.05210,0002.11211,0002.280 (maximum load)9,0002.750 (fracture)After fracture, the gage length was 2.75 in.and the diameter was 0.365 in. Plot theengineering stress strain curve andcalculate(a) the 0.2% offset yield strength;(b) the tensile strength;(c) the modulus of elasticity;(d) the % elongation;(e) the % reduction in area;(f) the engineering stress at fracture;(g) the true stress at necking; and(h) the modulus of resilience.

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A standard 0.505-in.-diameter tensile bar was machined to a 2.00-in.-gage length from a copper-nickel alloy and the follow- ing data were collected: Load (Ibs) Gage Length (in.) 2.00000 1,000 2.00045 2,000 2.00091 3,000 2.00136 4,000 2.0020 6,000 2.020 8,000 2.052 10,000 2.112 11,000 2.280 (maximum load) 9,000 2.750 (fracture)

A standard 0.505-in.-diameter tensile bar was machined to a 2.00-in.-gage length from a copper-nickel alloy and the follow- ing data were collected: Load (Ibs) Gage Length (in.) 2.00000 1,000 2.00045 2,000 2.00091 3,000 2.00136 4,000 2.0020 6,000 2.020 8,000 2.052 10,000 2.112 11,000 2.280 (maximum load) 9,000 2.750 (fracture)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with. 

Question

A standard 0.505-in.-diameter tensile bar
was machined to a 2.00-in.-gage length
from a copper-nickel alloy and the follow-
ing data were collected:
Load (Ibs)
Gage Length (in.)
2.00000
1,000
2.00045
2,000
2.00091
3,000
2.00136
4,000
2.0020
6,000
2.020
8,000
2.052
10,000
2.112
11,000
2.280 (maximum load)
9,000
2.750 (fracture)
After fracture, the gage length was 2.75 in.
and the diameter was 0.365 in. Plot the
engineering stress strain curve and
calculate
(a) the 0.2% offset yield strength;
(b) the tensile strength;
(c) the modulus of elasticity;
(d) the % elongation;
(e) the % reduction in area;
(f) the engineering stress at fracture;
(g) the true stress at necking; and
(h) the modulus of resilience.

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