You have been given the following test sample data following mechanical testing of 15 test pieces of a transformation toughened zirconia. What is the Weibull modulus of this material? • Would you advise the use of this material over one with a Weibull Modulus of 25.4 and a mean failure stress of 235 MPa, if you anticipate that the peak stress on the material could be 220 MPa?

You have been given the following test sample data following mechanical testing of 15 test pieces of a transformation toughened zirconia. What is the Weibull modulus of this material? • Would you advise the use of this material over one with a Weibull Modulus of 25.4 and a mean failure stress of 235 MPa, if you anticipate that the peak stress on the material could be 220 MPa?

Elements Of Electromagnetics

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ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Thermal Properties of Materials

In mechanical engineering, the thermal property is represented as the physical quantity that is relevant to the application of heat. The thermal properties are evaluated by variations in any specific material due to low heat or high heat. The quantities that influence the thermal property of the materials are mass, density, temperature, and many others.

Question

You have been given the following test sample data following mechanical testing of 15 test pieces of a transformation toughened
zirconia.
What is the Weibull modulus of this material?
Would you advise the use of this material over one with a Weibull Modulus of 25.4 and a mean failure stress of 235 MPa, if
you anticipate that the peak stress on the material could be 220 MPa?
(Since this question has two parts, you must select the two correct options from the list below)
Test Sample
Failure Stress (MPa)
1
255
2
271
3
260
4
223
5
257
6.
267
7
242
8
230
9.
245
10
225
11
254
12
236
13
238
14
251
15
264
O a. 27.3
O b. 4.5
O c. 6.9
O d. Yes
е. 15.2
O f. 18.3
O g. No
O O O O O O O

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