The starting raw material for the production of a malleable

The starting raw material for the production of a malleable cast iron is a white cast iron the normalizing temperature for an hypoeutectoid steel is A_3 +50 degree C In a plain carbon steel, bainite can be produced by continuous cooling The driving force behind the recrystallization process is the stored energy of the material Steels are readily used after the heat treatment of quenching. A steel should be used below its ductile-to-brittle transition temperature. FCC alloys exhibit a fatigue limit Usually the thermoplastics polymers exhibit a glass transition temperature. Martensite is a product of a diffusionless transformation Thermosetting plastics are those that do not soften when heated. To obtain an steel with fine pearlite we perform the commercial heat treatment known as total annealing Mg can be added to the malleable cast iron to change the morphology of the graphite from flakes to aggregates. Martempering needs to be performed during quenching thick sections of steels to avoid surface crack formation. The spherodizing temperature for an hypoeutectoid steel is A_3 +50 degree C A gray cast iron is readily used in structures subjected to tensile stresses. The stainless steels 316 are ferritic. Polymers have a ductile-brittle transition temperature The ability of the metals to deform plastically depends on the ability of the dislocations to move Recommend a material for each of the following applications. Steel for forming or deep drawing. Steel for food containers. Steel for the massive production of screws Steel components that required massive amount of machining Steel for piano wire A polymer for the surface of a non-sticking pan Iron based material for cheap gear boxes or transmission casings. Match the number with the description of the following polymers

Solution

True Or False

1)T

2)T

3)F

4)T

5)F

6)T

7)T

8)T

9)F

10)T

11)F

12)F

13)F

14)F

15)F

16)T

17)T

18)T

FILL IN THE BLANKS

A)COLD ROLLED STEEL AND STAINLESS STEEL

B)TIN STEEL

C)CORROSION RESISTANT STEELS

D)HIGH CARBON STEELS

E)TEMPERED HIGH CARBON STEELS..ALSO KNOWN AS SPRING STEELS

F)PTFE(POLYTETRAFLUOROETHYLENE)

G)CAST IRON