Crack Paths 2012

Table 2. Range of the critical plane angle variation (5%) according to the criterion of

m a x i m u smhear stresses and experimental fracture plane position under polyharmonic

loadings

T e of Ratio of Experimental

Estimated Range Of Critical Plane angle 0‘

yp.

.

fracture plane shear fracture

(deg) accordlng t0 the method

loadings m a x i m u m

of

r z Stresses

angle otFp (deg) plane angle orT

0‘? 6 k I T /6 (stage II) with (stage I) with

.

damage

'

6 "y X

scatter (sc.)

scatter (sc.)

Vanance accumulation

K01

0.189

4 (i3)

49 (i3)

‘504;

5nd 504331;“

K05

0.214

2 (i1)

47 (i1)

‘504;

5nd '5 13; find

5

5

—50 + —36 and —53 + -45 and

K02

0.274

4(5)

49(3)

40+ 54

37 +45

K06

0.309

9(i;5)

54(35)

'504;

2nd '563; f3?“

K03

0.358

3 (i2)

48 (i2)

'5 13;

2nd ‘6033

7am

K09

0.394

2 (i1)

47 (i1)

‘5043

7am ‘63277

5nd

-65+-59 and -

K07

0.405

7 (ii)

520%)

54376

2nd 314-25, 25 4

‘

31, 59 4 65

1

1

—51 + —31 and —29 + —23 and

K04

0.442

3(3)

48(2)

39+59

“+65

K08

0.500

9(il°)

54 (3°)

'5+'683nd

J21; Sand

K10

0.515

23 (3?)

68012)

494] 527mm '721;

:nd

-90 4 -81 and

ails

K11

0.636

2(j1)

47(i1)

-13+9and

'

7' ’

2

2

77;90 +17and73+

‘

80

—90 + —85 and —86 + —77 and

K12

0.680

37(i11)

82(i11)

-1445 and -124-6,44

76490

13,78484

—90 + —84 and —90 + -81 and

K13

0.840

13(ilf)

58(f1f)

-8 4 7 and

-8 4 9, 82 4

84 4 90

90

200