WorksheetsMaterials and Hardware
Total questions: 29
Worksheet time: 14mins
Can easily be broken or fractured by an impact.
Ductility
Elasticity
Brittleness
Malleability
Ability of a metal to conduct heat.
Conductivity
Malleability
Tenacity
Ductility
The proprty of being able to be permanently extended by a tensile force.
Malleability
Tenacity
Ductility
Brittleness
Ability of a metal to return to its original shape and size after the removal of any distorting force
Malleability
Strength
Elasticity
Ductlity
Ability of a metal to resist wear and penetration
Tenaciity
Hardness
Toughness
Ductility
Ability of a material to be stretched or shaped in all directions without breaking or fracturing
Malleability
Strength
Ductility
Tenacity
Ability of a material to withstand impact
Hardness
Toughness
Plasticity
Elasticity
Ability to retain a deformation after the load producing it has been removed. Opposite of elasticity
Toughness
Brittless
Malleability
Plasticity
Property of metal to resist deformation when subjected to a tensile load.
Tenacity
Toughness
Hardness
Strength
Ability to withstand the forces of compression, tension and shear.
Ductility
Hardness
Toughness
Strength
Ability to resist tension forces applied to the metal.
Strength
Tensile strength
Yield strength
Shear strength
Ability of a metal to withstand a crushing force
Bearing strength
Yield strength
Shear strength
Tensile Strength
Ability to resist side-cutting loads.
Bearing strength
Tensile strength
Shear strength
Yield strength
Ability to resist deformation
Yield strength
Shear strength
Bearing strength
Tensile strength
Most widely used mechanical test. Involves applying a steadily increasing load to a test specimen
Tenacity testing
Yield testing
Tensile testing
Materials with no iron
Ferrous materials
Non ferrous materials
An alloy containing iron as its chief constituent..
Non ferrous metal
Ferrous metal
SAE
Singapore Air Express
Society of Auto Engineers
Society of Space Engineers
Formed by physically working the metal into shape
Annealing
Wrought objects
Cast items
Hot working
Formed by pouring molten metal into molds.
Hot working
Annealing
Cast items
Extruding
Typically used to form intricate shapes and is axcomplished by either pressing or hammering.
Forging
Hot workng
Pressing
A process of heating a metal to improve properties such as hardness, ductility, toughness and others.
Cold working
Annealing
Hammering
Heat treatment
Metal is heated at the furnace with a temperature above its critical temperature, quench it at this temperature and allow cooling at room temperature
Annealing
Tempering
Normalizing
Hardening
Metal is heated amd allowed to cool in still air. Stress-free, soft material with uniform fine grain structure.
Annealing
Normalizing
Case hardening
Tempering
Also called softening. Produces a fine grain, soft, ductile metal without internal stresses or strains
Annealing
Tempering
Normalizing
Degree of hardening: 2
1/4 hard
1/2 hard
3/4 hard
Degree of hardening: 4
3/4 hard
1/2 hard
Extra hard
Two classes of plastics
Thermoplastics and thermosetting
Brine and water
Annealing and hardening
Combinations of two or more organic or inorganic components.
Plastics
Ferrous metal
Composites
