A 3-in.-diameter×80-in.-long aluminum al-loy (E= 10,600 ksi andα= 12.5×10-6/◦F)bar is stress free after being attached to rigidsupports, as shown in the figure below.Ifthe temperature drops 100◦F, determine
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The composite bar is firmly fixed at both ends. The bar is stress-free at 60°F Compute the stress in each material after the 50-kip force 42 in is applied and the temperature is increased to 120°F. Use α-6.5 x 10-6/°F for steel and α-1 2.8 x 10-6/°F for aluminum. At what temperature will the aluminum and steel have stresses of equal magnitude after the 50-kip force is applied? Problem 4(25 Points) The rigid bar ABCD is supported by a pin...
1. A steel bar is placed between two rigid, unyielding walls, as shown, with only one end attached. The gap is 0.008 inches a. Calculate the temperature to close the gap. b. Calculate the stress developed in the bar when the temperature rises by 100°F c. Calculate the size of the gap if the temperature drops by 70°F. 15.50 answer sheet. L. A 7/8 inch diameter magnesium alloy rod, 14.25 inches long, is subjected to an axial tens Assume a...
The two cylindrical rod segments shown in the figure below
(Figure 1) are fixed to the rigid walls such that there is a gap of
0.01 in . between them when T1 = 60 °F . Each
rod has a diameter of 2 in . Take ?al =
13(10-6) /°F , Eal =
10(103) ksi , (?Y)al = 40
ksi , ?cu = 9.4(10?6) / °F ,
(?Y)cu = 50 ksi , and
Ecu = 15(103) ksi
. Determine the...
Determine the stress in the bar when the temperature is raised
to 320°F. (Round the final answer to the nearest whole number. You
must provide an answer before moving to the next part.)
A) The stress in the bar is ___ ksi.
B) After the temperature has returned to 45
F
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A uniform steel rod of cross-sectional area A is attached to rigid supports and is unstressed at a temperature of 53 F. The steel...
Problèm GIVEN b 2) Three rod elements shown above are stress free when they are assembled together and attached to the rigid walls A and D. Element (1) is steel with E1 30 x 103ksi, cross - sectional area Ai - 2.0 in, length L1-80 in and coefficient of thermal expansion α1=7x10-6/0F; the corresponding values for the aluminum element (2) are: E2 10 x 103ksi, A2-3.6 in, L,- 60 in, a2 13 x 10-6/oF; the corresponding values for the bronze...
The two cylindrical rod segments shown in the figure below are
fixed to the rigid walls such that there is a gap of 0.01 in .
between them when T1 = 65 °F . Each rod has a diameter
of1.5 in. Take ?al = 13(10?6)/°F, Eal = 10(103)
ksi , (?Y)al = 40 ksi ,?cu = 9.4(10?6)/ °F ,
(?Y)cu = 50 ksi , andEcu =
15(103) ksi .
What larger temperature T2 is required in order to just
close...
ETI ati Oallow Ti Titanium alloy DTi Aluminum alloy DAL OLAI Oallow AI The titanium alloy cylinder of diameter, Dry, and length, Lt, is attached to a rigid support. The aluminum alloy cylinder of diameter, DA, and length, Las, rests below it on another rigid support. There is a gap, s, between them. Determine the change in temperature required to close the gap and create sufficient force to bring one of the cylinders to the point of maximum allowable stress....
Problem 3 σ(ksi) The elastic portion of the tension stress-strain diagram for an aluminum alloy is shown in the figure. The specimen used for the test has a gage length of 2 in. and a diameter of 0.5 in. If the applied load is 10 kip, determine the new diameter of the specimen. The shear modulus is G-3.8(10') ksi. 60
A
system of bars is loaded by axial loads as shown. Determine:
a) The normal stress in each bar
b) The deflection of point D with respect to point A
(25 pts.) A system of bars is loaded by axial loads as shown. Determine: the normal stress in each bar the deflection of point D with respect to point A. oads: F1 = 45 (kips), F2 = 20 (kips), F3 = 10 (kips) The normal stress: BAR AB = (ksi)...
The rigid bar is pinned at A and supported by two aluminum rods,
each having a diameter of 1 in., a modulus of elasticity
Eal = 10(103) ksi, and yield stress of
(σy)al= 40 ksi. If the bar is initially vertical, determine the
displacement of the end B when the force of 20 kip is
applied.