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20. The properties for Material A and Material B are listed below. Each material is made into a cylindrical rod that is fitted between two non-movable, and constant temperature, walls as shown in the diagram below. Each rod is then heated to 125 °C (from 25°C). 1 m Н 1m F A: a=5.0x10-6/°C, oy = 500 MPa and E = 400 GPa B: a=10.0x106/°C, oy = 500 MPa and E = 200 GPa a) Will A and B be in a tension or compression on heating. Explain. b) Which material will exhibit plastic deformation on heating? Show all work. Hint. The specimens cannot move into the non-movable wall.

20. The properties for Material A and Material B are listed below. Each material is made into a cylindrical rod that is fitted between two non-movable, and constant temperature, walls as shown in the diagram below. Each rod is then heated to 125 °C (from 25°C). 1 m Н 1m F A: a=5.0x10-6/°C, oy = 500 MPa and E = 400 GPa B: a=10.0x106/°C, oy = 500 MPa and E = 200 GPa a) Will A and B be in a tension or compression on heating. Explain. b) Which material will exhibit plastic deformation on heating? Show all work. Hint. The specimens cannot move into the non-movable wall.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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20. The properties for Material A and Material B are listed below. Each material is made into a cylindrical rod that is fitted between two non-movable, and constant temperature, walls as shown in the diagram below. Each rod is then heated to 125 °C (from 25°C). 1 m 1 m НН A: a=5.0x10-6/°C, oy = 500 MPa and E = 400 GPa B: a=10.0x10-6/°C, oy = 500 MPa and E = 200 GPa a) Will A and B be in a tension or compression on heating. Explain. b) Which material will exhibit plastic deformation on heating? Show all work. Hint. The specimens cannot move into the non-movable wall.
Transcribed Image Text:20. The properties for Material A and Material B are listed below. Each material is made into a cylindrical rod that is fitted between two non-movable, and constant temperature, walls as shown in the diagram below. Each rod is then heated to 125 °C (from 25°C). 1 m 1 m НН A: a=5.0x10-6/°C, oy = 500 MPa and E = 400 GPa B: a=10.0x10-6/°C, oy = 500 MPa and E = 200 GPa a) Will A and B be in a tension or compression on heating. Explain. b) Which material will exhibit plastic deformation on heating? Show all work. Hint. The specimens cannot move into the non-movable wall.
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