MT 1 Flashcards
Explain electronegativity on periodic table
What are the primary bonds?
What are the secondary bonds?
Explain ionic bonds
Explain covalent bonds
Explain metallic bonds
Explain covalent bonds’ direction
Which are the characteristics of ionic bonds
Which are the characteristics of covalent bonds
Explain van der waals bonding
Explain hydrogen bonds
What does bonding control?
What is elastic deformation ?
What is young’s modulus a measure of?
What is resilience?
What is MOD?
Explain engineering stress and strain vs true
Explain poisson’s ratio
What is the equilibrium interatomic distance?
What is the significance of youngs modulus
Explain plastic deformation
What is yield strength
What is work hardening
What is UTS
Heterogenous yielding vs homogeneous yielding
Explain elastic recovery after plastic deformation
Explain how necking occurs
Explain ductility
Explain toughness
How does carbon composition affect steels
Explain safety factors
What is hardness testing
Crystalline material:
Crystal structure:
Crystal morphology
What is the unit cell
What are the three unit cells
What is coordination number
What is close packed directions
What is atomic packing factor
What are these values for the three unit cell
What is theoretical density
Anisotropic vs isotropic
Explain solidification of polycrystalline materials
What are the types of point defects in crystals
Explain atomic diffusion
What are dislocations
What is slip
What is slip plane
Explain how dislocations disrupt the crystal lattice
What is slip system
Where does slip occur
Explain resolved shear stress
How can materials be strengthened
What are the three ways
Explain grain size reduction
Explain solid-solution
Explain work hardening
Homologous temperature:
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Why is the homologous temperature at which hot working begins higher for alloys than pure metals
How do substitutional atoms impose lattice strain
Explain rolling and extrusion
How does cold working affect strength and ductility
Explain annealing
What is the driving force for recrystalization
Explain the three stages during the annealing treatment