4. A ductile cast iron chain to operate in a furnace used to fire ceramic bricks. The chain will be us ed for seven years at 700°C with an applied load of 7000 lbs. (a) Determine the maximum stress that needs to be applied. (b) The minimum diameter of the chain. ** Note: Assume there is no factory of safety being considered. 20,000 10,000 8,000 * 6,000 4,000 2,000 1,000 30 34 36 38 40 32 42 arcon MMller naran T(K) 36 1078 In t) veter Stress (psi)
4. A ductile cast iron chain to operate in a furnace used to fire ceramic bricks. The chain will be us ed for seven years at 700°C with an applied load of 7000 lbs. (a) Determine the maximum stress that needs to be applied. (b) The minimum diameter of the chain. ** Note: Assume there is no factory of safety being considered. 20,000 10,000 8,000 * 6,000 4,000 2,000 1,000 30 34 36 38 40 32 42 arcon MMller naran T(K) 36 1078 In t) veter Stress (psi)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:4. A ductile cast iron chain to operate in a furnace used to fire ceramic bricks. The chain will be used for
seven years at 700°C with an applied load of 7000 Ibs.
(a) Determine the maximum stress that needs to be applied.
(b) The minimum diamet er of the chain.
** Note: Assume there is no factory of safety being considered.
20,000
10,000
8,000
0
3 6,000
4,000
2,000
1,000
30
32
34
36
38
40
42
T(K)
Larson-Miller parameter =
1000
(36 + 0.78 In t)
Stress (psi)
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