Mechanical and physical properties

Question 1

define Mechanical properties

Answer 1

elements of a materials that resist deformation from external forces or load

Question 2

define strength

Answer 2

ability to withstand force

Question 3

Define elasticity

Answer 3

ability to return to original shape after forces have been removed

Question 4

define plasticity

Answer 4

ability to permanently deform without breaking when subjected to a force

Question 5

define malleability

Answer 5

ability to permanently deform in all directions without fracture

Question 6

define ductility

Answer 6

ability to deform by twisting, bending, or stretching

Question 7

define hardness

Answer 7

ability to resist deformation, indentation or penetration

Question 8

define toughness

Answer 8

ability to withstand sudden shock or stress

Question 9

define brittleness

Answer 9

inability to withstand sudden shock or stress

Question 10

define durability

Answer 10

ability to withstand deterioration overtime

Question 11

define stability

Answer 11

ability to resist changes in shape overtime

Question 12

define stiffness

Answer 12

ability to resist bending

Question 13

define physical properties

Answer 13

elements of materials that can be defined and measured like size colour e.c.t

Question 14

define density

Answer 14

compactness of a material defined by mass per unit volume

Question 15

define electrical

Answer 15

ability to conduct electricity

Question 16

define thermal conductivity

Answer 16

ability to conduct heat

Question 17

define size

Answer 17

dimensions of a material

Question 18

define corrosion

Answer 18

when acid and water as well as oxygen dissolve a metal causing rust

Question 19

define aesthetics

Answer 19

appearance of material or grain

Question 20

define optical

Answer 20

ability to absorb or reflect light

Question 21

define joining

Answer 21

ability to be joined to other materials

Question 22

define magnetism

Answer 22

attraction to magnetic materials