Abstract
In static as well as cyclic loading of thin-sheet ductile metals with a crack, the stage of unstable crack propagation is usually preceded by a stage of quasiequilibrium crack propagation. Transition from one stage to the other begins when the crack reaches its critical length.
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Abbreviations
- B:
-
coefficient in regression analysis
- F calc :
-
mean square (explained by regression)-to-remainder variance ratio
- i:
-
variable factor
- K C :
-
stress intensity factor critical value
- K Q :
-
value of stress intensity factor at the instant of crack onset
- l 0 :
-
initial crack length
- l c :
-
instantaneous crack length
- R 2 :
-
determination coefficient
- W:
-
width of specimen
- x:
-
variable in regression analysis
- X 1 :
-
coded values of strain rate
- x 2 :
-
temperature, K
- X 3 :
-
l 0/W
- x 4 :
-
l c /W
- y K :
-
response
References
N. V. Novikov and A. L. Maystrenko, Strength Mater. 7(8):934 (1975).
G. S. Pisarenko, N. V. Novikov, and A. L. Maystrenko, Strength Mater. 7(9): 1045 (1975).
N. V. Novikov and A. L. Maystrenko, Strength of Materials and Structures (in Russian), Naukova Dumka, Kiev, USSR (1975), p. 349.
N. Dreyper and G. Smith, Statistika 1:392 (1973).
B. A. Ivotenko, N. F. Ilynsky, and I. P. Kopilenko, Planning of an Experiment in Electromechanics (in Russian), Energiya, Moscow (1975), p. 184.
“Collection of Scientific Programs for FORTRAN” Statistika 1:316 (1974).
D. Khimmelblow, Process Analysis by Statistical Methods, Mir, Moscow (1973), p. 957.
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Novikov, N.V., Maystrenko, A.L. (1978). Experimental Analysis of Cracks in Thin Metal Plates. In: Timmerhaus, K.D., Reed, R.P., Clark, A.F. (eds) Advances in Cryogenic Engineering. Advances in Cryogenic Engineering, vol 24. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-9853-0_20
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DOI: https://doi.org/10.1007/978-1-4613-9853-0_20
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