Please explain ths graph from Materials Science and EngineeringAn Introduction 500550600650Figure 11.20 Forcylindrical specimensof an oil-quenched4140 steel, (a) tensilestrength, (b) yieldstrength, and(c) ductility (percentelongation) versustemperingtemperature fordiameters of 12.5mm (0.5 in.), 25 mm(1 in.), 50 mm(2 in.), and 100 mm(4 in.).13001801200110016012.5 mm100025 mm14090050 mm120800100 mm700(a)1200110016012.5 mm100014090025 mm12080050 mm700100600100 mm50080(b)24100 mm2250 mm201812.5 mm1625 mm14500550600650Tempering temperature ("C)(c)Ductility (%EL)Yield streng th (MPa)Tensile strength (MPa)Yield strength (ksi)Tensile strength (ksi)

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Figure 11.20 For cylindrical specimens of an oil-quenched 4140 steel, (a) tensile strength, (b) yield strength, and (c) ductility (percent elongation) versus tempering temperature for diameters of 12.5 mm (0.5 in.), 25 mm (1 in.), 50 mm (2 in.), and 100 mm (4 in.).

Figure 11.20 For cylindrical specimens of an oil-quenched 4140 steel, (a) tensile strength, (b) yield strength, and (c) ductility (percent elongation) versus tempering temperature for diameters of 12.5 mm (0.5 in.), 25 mm (1 in.), 50 mm (2 in.), and 100 mm (4 in.).

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Concept explainers

Thermal Properties of Materials

In mechanical engineering, the thermal property is represented as the physical quantity that is relevant to the application of heat. The thermal properties are evaluated by variations in any specific material due to low heat or high heat. The quantities that influence the thermal property of the materials are mass, density, temperature, and many others.

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Please explain ths graph from Materials Science and Engineering
An Introduction

500
550
600
650
Figure 11.20 For
cylindrical specimens
of an oil-quenched
4140 steel, (a) tensile
strength, (b) yield
strength, and
(c) ductility (percent
elongation) versus
tempering
temperature for
diameters of 12.5
mm (0.5 in.), 25 mm
(1 in.), 50 mm
(2 in.), and 100 mm
(4 in.).
1300
180
1200
1100
160
12.5 mm
1000
25 mm
140
900
50 mm
120
800
100 mm
700
(a)
1200
1100
160
12.5 mm
1000
140
900
25 mm
120
800
50 mm
700
100
600
100 mm
500
80
(b)
24
100 mm
22
50 mm
20
18
12.5 mm
16
25 mm
14
500
550
600
650
Tempering temperature ("C)
(c)
Ductility (%EL)
Yield streng th (MPa)
Tensile strength (MPa)
Yield strength (ksi)
Tensile strength (ksi)

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