CHAPTER 6: MECHANICAL PROPERTIES

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III. <strong>MECHANICAL</strong> BEHAVIOR—CERAMICSLimited applicability, catastrophic fracture in a brittlemanner, little energy absorption7.10 FLEXURAL STRENGTHTensile tests are difficultdifficult to prepare geometryeasy to fractureceramics fail at 0.1% strainbending stressrod specimen is usedthree of four point loading techniqueflexure test
7.10 MEASURING STRENGTH• Flexural strength= modulus of rupture= fracture strength = bend strengthσ fs=σ =fs32bdF fF fLπ R3L2• Type values:Material σfs(MPa) E(GPa)Si nitrideSi carbideAl oxideglass (soda)700-1000550-860275-55069Data from Table 12.5, Callister 6e.30043039069
Page 2: CHAPTER 7:MECHANICAL PROPERTIESISSU
Page 5 and 6: 7.2 COMMON STATES OF STRESS• Simp
Page 7 and 8: OTHER COMMON STRESS STATES• Bi-ax
Page 9 and 10: 7.2 STRESS-STRAIN TESTING• Typica
Page 11: ELASTIC DEFORMATIONS7.3 Stress-stra
Page 14 and 15: c07f08
Page 16 and 17: 7.4 ANESLATICITYAssumed:Time-indepe
Page 18 and 19: E(GPa)10 9 Pa1200100080060040020010
Page 20 and 21: II. MECHANICAL BEHAVIOR—METALS
Page 22 and 23: II. PLASTIC (PERMANENT) DEFORMATION
Page 24 and 25: • YIELD STRENGTH, σ yStress at w
Page 26 and 27: 7.6 TENSILE STRENGTH, TSMaximum pos
Page 28 and 29: 7.6 DUCTILITY, %ELDegree of plastic
Page 30 and 31: Stress-strain of iron at several te
Page 32 and 33: 7.6 TOUGHNESS• Ability to absorb
Page 34 and 35: 7.7 True stress & strainHARDENING:
Page 36 and 37: 7.8 Elastic Recovery After Plastic
Page 40 and 41: 7.11 Elastic Behavior (forceramics)
Page 42 and 43: IV MECHANICAL BEHAVIOR—POLYMERS7.
Page 44 and 45: 7.14 Macroscopic DeformationSemicry
Page 46 and 47: 7.15 Viscoelasticity DeformationLoa
Page 48 and 49: Polystyrene configurationsAlmost to
Page 50 and 51: c07tf05
Page 52 and 53: c07tf06b
Page 54 and 55: Correlation between Hardness and Te
Page 56 and 57: 7.18 Tear Strength & Hardness of Po
Page 58 and 59: 7.20 DESIGN/SAFETY FACTORS• Desig

CHAPTER 6: MECHANICAL PROPERTIES

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