EXAMPLE . During service, a ceramic valve which is operating at 250°C is likely to be suddenly quenched to room temperature by a flowing aqueous solution. The valve could be manufactured from either of two ceramics, designated A and B, the properties of which are given below. Discuss which ceramic you would select for the application

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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EXAMPLE
During service, a ceramic valve which is operating at
250°C is likely to be suddenly quenched to room
temperature by a flowing aqueous solution. The valve
could be manufactured from either of two ceramics,
designated A and B, the properties of which are given
below. Discuss which ceramic you would select for the
application
Young's Modulus E (GNm
Coefficient of thermal expansion u (K)
Fracture Stress , (MNm³³)
Poisson's ratio u
Thermal conductivity (at 50°C) x (Wm: 'K')
120
2X10
230
0.25
14
B
350
9X104
270
0.27
Ample
Transcribed Image Text:EXAMPLE During service, a ceramic valve which is operating at 250°C is likely to be suddenly quenched to room temperature by a flowing aqueous solution. The valve could be manufactured from either of two ceramics, designated A and B, the properties of which are given below. Discuss which ceramic you would select for the application Young's Modulus E (GNm Coefficient of thermal expansion u (K) Fracture Stress , (MNm³³) Poisson's ratio u Thermal conductivity (at 50°C) x (Wm: 'K') 120 2X10 230 0.25 14 B 350 9X104 270 0.27 Ample
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