Maurice Tutor

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Category > Management Posted 17 Jan 2018 My Price 10.00

polyethylene polymer

For the high-density polyethylene polymer, whose stress strain behavior may be observed in the “Tensile Tests” module of Virtual Materials Science and Engineering (VMSE), determine the following:

(a) the yield strength,

(b) the tensile strength, and

(c) the approximate ductility, in percent elongation.

How do these values compare with those for the high-density polyethylene material presented in Table?

Room-Temperature Mechanical Properties (in Tension) for Various Materials

 

Yield Strength

Tensile Strength

Ductility, %EL Poisson’s

Material

MPa

ksi

MPa

ksi

Ratio (2 in.)]a

 

 

Metal Alloysb

 

 

 

Molybdenum

565

82

655

95

35

Titanium

450

65

520

75

25

Steel (1020)

180

26

380

55

25

Nickel

138

20

480

70

40

Iron

130

19

262

38

45

Brass (70 Cu–30 Zn)

75

11

300

44

68

Copper

69

10

200

29

45

Aluminum

35

5

90

13

40

 

 

Ceramic Materialsc

 

 

 

Zirconia (ZrO2)d

—

—

800–1500

115–215

—

Silicon nitride (Si3N4)

—

—

250–1000

35–145

—

Aluminum oxide (Al2O3)

—

—

275–700

40–100

—

Silicon carbide (SiC)

—

—

100–820

15–120

—

Glass–ceramic (Pyroceram)

—

—

247

36

—

Mullite (3Al2O3–2SiO2)

—

—

185

27

—

Spinel (MgAl2O4)

—

—

110–245

16–36

—

Fused silica (SiO2)

—

—

110

16

—

Magnesium oxide (MgO)e

—

—

105

15

—

Soda–lime glass

—

—

69

10

—

 

 

Polymers

 

 

 

Nylon 6,6

44.8–82.8

6.5–12

75.9–94.5

11.0–13.7

15–300

Polycarbonate (PC)

62.1

9.0

62.8–72.4

9.1–10.5

110–150

Poly(ethylene terephthalate) (PET)

59.3

8.6

48.3–72.4

7.0–10.5

30–300

Poly(methyl methacrylate) (PMMA)

53.8–73.1

7.8–10.6

48.3–72.4

7.0–10.5

2.0–5.5

Poly(vinyl chloride) (PVC)

40.7–44.8

5.9–6.5

40.7–51.7

5.9–7.5

40–80

Phenol-formaldehyde

—

—

34.5–62.1

5.0–9.0

1.5–2.0

Polystyrene (PS)

25.0–69.0

3.63–10.0

35.9–51.7

5.2–7.5

1.2–2.5

Polypropylene (PP)

31.0–37.2

4.5–5.4

31.0–41.4

4.5–6.0

100–600

Polyethylene—high density (HDPE)

26.2–33.1

3.8–4.8

22.1–31.0

3.2–4.5

10–1200

Polytetrafluoroethylene (PTFE)

13.8–15.2

2.0–2.2

20.7–34.5

3.0–5.0

200–400

Polyethylene—low density (LDPE)

9.0–14.5

1.3–2.1

Answers

Maurice Tutor
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Status NEW Posted 17 Jan 2018 07:01 PM My Price 10.00

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