Alumina possess high strength at high temperatures? Select one: O True False

Zirconium Alloy Cladding

Incorrect Question 6 What are the Miller indices for plane 2 in the image shown? 0.2 nm- (020) (324) Plane 2 Note that the plane intercept x axis at +0.2 nm and y axis at -0.2 nm. Ⓒ (221) -0.4 nm- None of these (221) Plane 1 0.4 nm

The term green piece in ceramics refers to a part that has been shaped but not yet fired: true false

Metals conductivity (decrease / increase) with increasing the dislocation density.

Clear my choice Question 5 Iron (II) oxide (FeO) is a ceramic that has the same crystal structure as NaCi. Not yet answered Given: Marked out of R(Fe2*)= 0.087 nm and R(O2)=0.132 14.00 Calculate the lonic Packing Factor (IPF) of FeO? F Flag question Select one: O a. 0.14 O b. 0.12 Oc 0.74 O d. 0.21 O e. 0.51 O f.0.47 g 0.59 D.0.41

e. What type of defect is a vacancy and illustrate how that is different from an interstitial defect? f. What is the fraction of vacancies present at the melting temperature of Cu (1084°C)? Describe the feature (green parallel structures) that is noted by the arrow labeled c.

Some of the metals possess a body-centered crystal structure. Which of the following statements is correct about the structure? a. There are atoms found at the center of each face of the cube. b. It has a density lower than scc. c. The corner atoms touch the center atom but not each other. d. It has a packing efficiency (74%) greater than scc and bcc.

Give a classification of materials based on (solid phase)

How is it that two solid metals in contact at a temperature below the melting point of either can lead to liquidmetal embrittlement?