nanoindentation fracture toughness - nanovea

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2

3

4

5

0 2 4 6 8 10 12 14 16

5.6

5.8

6.0

6.2

6.4

6.6

6.8

7.0

Hardness

Young's Modulus

Test number

Ha

rdn

ess (

Gp

a)

54

56

58

60

62

Yo

un

g's

Mo

du

lus (G

pa

)

1 2 3 41

2

3

4

Y a

xis

X axis

6.000

6.100

6.200

6.300

6.400

6.500

6.600

6.700

6.800

1 2 3 41

2

3

4

Y a

xis

X axis

55.00

55.66

56.33

56.99

57.65

58.31

58.98

59.64

60.30

6

𝐾𝐶 = 𝛼 (𝐸

𝐻)

12(𝑃

𝑐32

)

7

ES

A C Ar

c c

2 2

1 1

i

i

r EEE

22 111

HP

Ac

max

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