Exam (elaborations)
MTL 200 CHAPTERS 12-17 QUESTIONS AND ANSWERS
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MTL 200 CHAPTERS 12-17 QUESTIONS AND ANSWERS
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Name: Score:31 Multiple choice questions
Definition 1 of 31
Sp3 hybridization so bonds to 4 other carbons
Graphite
Ceramics
Diamond
Quartz
Definition 2 of 31
interstitial sites: tetrahedral and octahedral position
Ceramic crystal structure depend on
Silica glasses
Ceramics bonding
Ceramic crystal structure: Close-packed planes of ions stacking produce
Definition 3 of 31
1 formula unit, a = 2/sqrt3(rc+ra), anions at the corner and cation in the middle
Radiolabeled nitrogen
Silicate ceramics
Sodium acetate
Cesium chloride
,Definition 4 of 31
stacking of anion close-packed layers, how cations fill interstitial sites, how cations are in
octahedral positions
Ceramic crystal structure depend on
Ceramic crystal structure: Close-packed planes of ions stacking produce
Crystal structure influence
Ion sizes and arrangment in ceramics
Definition 5 of 31
S = S1 + S2
Monotectic
Eutectoid
Eutectic
Peritectoid
Definition 6 of 31
same structure same charge, pure vacancy substitution because radii are almost equal
Crystal Structure Influence
Amxp Type Ceramic
Isomorphous Phase Diagram
Zinc Blend Structure
Definition 7 of 31
Sp2 hybridization so bonds to 3 other carbons
Calcite
Graphite
Silica
Magnetite
, Definition 8 of 31
ratio of radii (rc/ra)
Coordination #12
Coordinate number is based on
Ion sizes and arrangment in ceramics
AmBnXp type ceramic
Definition 9 of 31
formed using network formers, lower melting point and viscosity
Borosilicate glasses
Silicate ceramics
Graphite
Silica glasses
Definition 10 of 31
examples: ZrO2 VO2, PuO2, ThO2
AmBnXp type ceramic
Silica
AmXp type ceramic
Silicate ceramics
Definition 11 of 31
composed of silicon and oxygen, strong covalent bond, groups: silica, silica glass, the silicates
Ceramics Bonding
Hybrid Ceramics
Silica Glass
Silicate Ceramics
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