An extrapolation method for estimating crack growth rate confidence intervals from small fatigue crack data

被引:0
作者
Carlson, RL [1 ]
Halliday, MD
机构
[1] Georgia Inst Technol, Sch Aerosp Engn, Atlanta, GA 30332 USA
[2] Univ Birmingham, Struct Mat Res Ctr, Fac Engn, Birmingham B15 2TT, W Midlands, England
关键词
fatigue; small cracks; scatter; confidence intervals; extrapolation;
D O I
暂无
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Small fatigue crack growth data for the aluminum alloy 6061-T651 are analyzed to obtain confidence intervals for the mean crack growth rate as a function of crack, length. Results of an extrapolation procedure arc presented to illustrate how variations in crack size and elapsed load cycles in the early stages of crack growth may be examined.
引用
收藏
页码:179 / 185
页数:7
相关论文
共 22 条
[1]  
[Anonymous], 1995, ANN BOOK ASTM STAND, DOI DOI 10.1520/2002C
[2]   An examination of small fatigue crack morphology [J].
Carlson, RL ;
Steadman, DL ;
Kardomaters, GA .
INTERNATIONAL JOURNAL OF FRACTURE, 2001, 108 (01) :63-72
[3]   A consideration of scatter in small fatigue crack growth [J].
Carlson, RL ;
Halliday, MD .
LOW CYCLE FATIGUE AND ELASTO-PLASTIC BEHAVIOUR OF MATERIALS, 1998, :511-516
[4]  
Chen E. Y., 1997, International Journal of Fatigue, V19, pS75, DOI 10.1016/S0142-1123(97)00015-7
[5]   MONTE-CARLO SIMULATIONS OF THE GROWTH OF SMALL FATIGUE CRACKS [J].
COX, BN ;
MORRIS, WL .
ENGINEERING FRACTURE MECHANICS, 1988, 31 (04) :591-610
[6]  
CRAWFORD C, 1990, A8222 GTRI
[7]  
HALLIDAY MD, 1992, ALUMINIUM ALLOYS THE, V3, P526
[8]  
MANNINGS SD, ADV DURABILITY ANAL, V1
[9]   GROWTH AND STABILITY OF INTERACTING SURFACE FLAWS OF ARBITRARY SHAPE [J].
MURAKAMI, Y ;
NEMATNASSER, S .
ENGINEERING FRACTURE MECHANICS, 1983, 17 (03) :193-210
[10]  
MURAKAMI Y, 1992, THEORETICAL CONCEPTS AND NUMERICAL ANALYSIS OF FATIGUE, P51