Fatigue crack growth behaviour of 18G2A steel under constant amplitude loading and following a single overload.

• Autorzy: Skorupa Małgorzata , Skorupa Andrzej , Schijve Jaap , Machniewicz Tomasz , Korbut Paweł

Warianty tytułu

PL

Wzrost pęknięć zmęczeniowych w stali 18G2A przy obciążeniach stałoamplitudowych i po pojedynczych przeciążeniach.

• Języki publikacji: EN

Abstrakty

EN

Effects of specimen thickness and stress ratio on fatigue crack growth and crack closure level under constant amplitude loading and after the single overload have been studied experimentally for a structural steel (18G2A). The corresponding crack growth data from the fatigue tests have been presented and evaluated. The experimental trends have been compared to those reported in the literature for various steels. The ability of the effective stress intensity factor range based on crack closure measurements to correlate the observed crack growth response has been investigated.

PL

Przedstawiono wyniki badań eksperymentalnych nad wpływem grubości próbki i współczynnika asymetrii cyklu na wzrost pęknięć zmęczeniowych oraz poziom zamykania się pęknięcia w stali 18G2A przy obciążeniach stałoamplitudowych i po pojedynczych przeciążeniach. Znalezione trendy eksperymentalne porównano z opublikowanymi wynikami innych prac otrzymanymi dla różnych stali. Zbadano możliwość korelacji prędkości wzrostu pęknięć ze wszystkich eksperymentów przy pomocy efektywnego współczynnika intensywności naprężeń opartego na wynikach pomiarów zamykania się pęknięcia.

Słowa kluczowe

EN

fatigue cracks; fatigue crack growth; 18G2A steel; constant amplitude loading; loading; overload

PL

pęknięcie zmęczeniowe; stal 18G2A; obciążenie stałoamplitudowe; przeciążenie

• Wydawca: Komitet Budowy Maszyn PAN
• Czasopismo: Archive of Mechanical Engineering
• Rocznik: 2000
• Tom: Vol. XLVII, nr 2
• Strony: 139--163

Twórcy

autor

Skorupa Małgorzata

• University of Mining and Metallurgy, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Skorupa Andrzej

• University of Mining and Metallurgy, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Schijve Jaap

• Delft University of Technology, Kluyverweg 1, P.O. Box 5058, 2600 GB Delft, The Netherlans

autor

Machniewicz Tomasz

• University of Mining and Metallurgy, Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Korbut Paweł

• University of Mining and Metallurgy, Al. Mickiewicza 30, 30-059 Kraków, Poland

Bibliografia

• [1] Elber W.: Fatigue crack closure under cyclic tension. Engng Fracture Mech., 1970, Vol. 2, pp. 37-45.
• [2] Tanaka K.: Mechanics and micromechanics of fatigue crack propagation. ASTM STP 1020, 1989, pp. 151-183.
• [3] Fleck N.A.: An investigation of fatigue crack closure. Cambridge University Engineering Dept. report CUED/C-MATS/TR. 104, May 1984.
• [4] Skorupa M.: Load interaction effects during fatigue crack growth under variable amplitude loading - a literature review. Part II: qualitative interpretation. Fatigue Fract. Engng Mater. Struct., 1999, Vol. 22, pp. 905-926.
• [5] Skorupa M., Schijve J., Skorupa A. and Machniewicz T.: Fatigue crack growth in structural steel under single and multiple periodic overloads. Fatigue Fract. Engng Mater. Struct., 1999, Vol. 22, pp. 879-887.
• [6] Skorupa A. and Skorupa M.: Crack closure measurement techniques. Mechanika, Kwartalnik AGH, 1998, Vol. 17, z. 4, pp. 577-592 (in Polish).
• [7] Philips E.P.: Results of the second round robin on opening-load measurement conducted by ASTM Task Group E24.04.04 on crack closure measurement and analysis. National Aeronautics and Space Administration, Hampton, Virginia, November 1993.
• [8] Fleck N.A.: Influence of stress state on crack growth retardation. ASTM STP 924, 1988, Vol. 1, pp. 157-183.
• [9] Shin C.S. and Hsu S.H.: On the mechanisms and behaviour of overload retardation in AISI 304 stainless steel. Int. J. Fatigue, 1993, Vol. 15, pp. 181-192.
• [10] Shuter D.M. and Geary W.: Some aspects of fatigue crack growth retardation behaviour following tensile overloads in a structural steel. Fatigue Fract. Engng Mater. Struct., 1996, Vol. 19, pp. 185-189.
• [11] Matsuoka S. and Tanaka K.: The influence of sheet thickness on delayed retardation phenomena in fatigue crack growth in HT80 steel and A5083 aluminium alloy. Engng Fracture Mech., 1980, Vol. 13, pp. 293-306.
• [12] Tsukuda H., Ogiyama H. and Shiraishi T.: Fatigue crack growth and closure at high stress ratios. Fatigue Fract. Engng Mater. Struct., 1995, Vol. 18, pp. 503-514
• [13] Zhang S., Marissen R., Schulte K., Trautmann K.K., Nowack H. and Schijve J.: Crack propagation studies on A1 7475 on the basis of constant amplitude and selective variable amplitude loading histories. Fatigue Fract. Engng Mater. Struct., 1987, Vol. 10, pp. 315-332.
• [14] Skorupa M.: Load interaction effects during fatigue crack growth under variable amplitude loading - a literature review. Part I: empirical trends. Fatigue Fract. Engng Mater. Struct., 1998, Vol. 21, pp. 987-1006.
• [15] Tokaji K., Ando Z., Nagae K. and Imai T.: Effect of sheet thickness on fatigue crack growth retardation and validity of crack closure concept. Fatigue 84, Proc. 2nd Int. Conf. Fatigue and Fatigue Thresholds, 3-7 September 1984, University of Birmingham, UK, Edited by C.J. Beevers, Chameleon Press, pp. 727-737.
• [16] Shercliff H.R. and Fleck N.A.: Effect of specimen geometry on fatigue crack growth in plane strain-II. Overload response. Fatigue Fract. Engng Mater. Struct., 1990, Vol. 13, pp. 297-310.
• [17] Dougherty J.D., Srivatsan T.S. and Padovan J.: Fatigue crack propagation and closure behaviour of modified 1070 steel: experimental results. Engng Fracture Mech., 1997, Vol. 56, pp. 167-187.
• [18] Tsukuda H., Ogiyama H. and Shiraishi T.: Transient fatigue crack growth behaviour following single overloads at high stress ratios. Fatigue Fract. Engng Mater. Struct., 1996, Vol. 19, pp. 879-891.
• [19] Ward-Close C.M. and Ritchie R.O.: On the role of crack closure mechanisms in influencing fatigue crack growth following tensile overloads in a titanium alloy: near threshold versus higher AK behaviour. ASTM STP 982, pp. 93-111.
• [20] Schijve J.: Shear lips on fatigue fractures in aluminium sheet material. Engng Fracture Mech., Vol. 14, 1981, pp. 789-800.
• [21] Schijve J.: The significance of fractography for investigations of fatigue crack growth under variable-amplitude loading. Fatigue Fract, Engng Mater. Struct., 1999, Vol. 22, pp. 87-99.