A SURVEY OF FATIGUE CRACK-GROWTH LIFE ESTIMATION METHODOLOGIES

1992-07-01
AKYUREK, T
BILIR, OG
In this study, three fatigue crack growth life estimation methodologies are reviewed and sample calculations are made using these methodologies. Comparisons of the results with respect to the methodologies are made. Three computer codes which represent these methodologies, CRACKS IV, FAST and FATIGUE, are selected for the analyses. The estimations are also correlated to the test results.
ENGINEERING FRACTURE MECHANICS

Suggestions

A CRITIQUE ON FATIGUE CRACK-GROWTH LIFE ESTIMATION METHODOLOGIES
AKYUREK, T; BILIR, OG (Elsevier BV, 1992-01-01)
In this study, three fatigue crack growth life estimation methodologies are reviewed and sample calculations are made using these methodologies. Comparison of the results with respect to the methodologies are made. Three computer codes which represent these methodologies, CRACKS IV, FASTRAN and FATIGUE are selected for the analyses. The estimations are also correlated to the test results found in the literature. FALSTAFF spectra are used in the analyses.
Comparison of different yield criteria in various deep drawn cups
Cogun, Ferah; Darendeliler, Haluk (Springer Science and Business Media LLC, 2017-03-01)
The aim of the study is to evaluate the performance of three recent yield criteria namely; BBC2008-8p, Yld2003-8p, Hu2003 through the simulation of the hemispherical, cylindrical and square cup drawing processes by comparing the results with the ones obtained by using the von Mises criterion for the isotropic, kinematic and combined hardening and the Hill'48 criterion. For this purpose, two different sheet materials, SS304 stainless steel and DKP6112 steel, and various punch travels were used in the simulat...
Utilization of Non-destructive Methods for Determining the Effect of Age-Hardening on Impact Toughness of 2024 Al-Cu-Mg Alloy
Gür, Cemil Hakan (Springer Science and Business Media LLC, 2008-12-01)
The aim of the study is to investigate the correlation between non-destructive measurements and impact toughness of 2024 Al-alloy. Following the solutionizing at 493 degrees C/1 h and water quench, the samples were aged at 190 degrees C for various periods between 0.5 h and 18 h. Hardness, impact toughness, sound velocity, and electrical conductivity were measured for each specimen group, and fracture surfaces were investigated by SEM. To focus on only the effect of precipitation, the process variables were...
A STUDY OF IMPURITY EFFECT ON ORDERING CHARACTERISTICS OF FE3AL INTERMETALLICS
Mehrabov, Amdulla; Ozturk, T (Elsevier BV, 1994-03-01)
A study is carried out into energetical and structural characteristics of atomic ordering processes in Fe3Al. The statistico-thermodynamical theory of ordering by a quasichemical method is combined with the electronic theory of alloys in pseudopotential approximation in order to predict impurity effects on DO3 double-line arrow pointing left and right B2 phase transition temperature and the characteristics of atomic short-range order in Fe3Al-type intermetallics. Impurity elements in Fe3(Al, Me) Me-Cr, Si, ...
A METHOD OF STRAIN AND STRESS-ANALYSIS OF COMPOSITES FOR NONLINEAR STRAIN DISTRIBUTION CASE
ARDIC, ES; BOLCAN, C; Kayran, Altan (Elsevier BV, 1994-12-01)
In this study, a method of strain and stress analysis is developed to determine the stress and strain fields in fibers and matrix of a laminated composite for the cases of nonlinear strain and stress distributions with high gradients. The strain values calculated by using a classical method are considered as input, and the strain fields at each layer are determined. These strain fields are then used as input to express the strains in fibers and matrix. In these processes the heterogeneity effects, which ...
Citation Formats
T. AKYUREK and O. BILIR, “A SURVEY OF FATIGUE CRACK-GROWTH LIFE ESTIMATION METHODOLOGIES,” ENGINEERING FRACTURE MECHANICS, pp. 797–803, 1992, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/65247.