The relevance of crack closure to fatigue crack propagation

von Elber, 1970, Eng. Fracture Mech., 2, 37, 10.1016/0013-7944(70)90028-7 Adams, 1972 Roberts, 1972, Intern. J. Fracture Mech., 8, 469, 10.1007/BF00191113 von Elber, 1970, Materialpruefung, 12, 189 Buck, 1972, Intern. J. Fracture Mech., 8, 121, 10.1007/BF00185209 O. Buck, C.L. Ho and H.L. Marcus, Eng. Fracture Mech., to be published. Cheng, 1970, Intern. J. Fracture Mech., 6, 431, 10.1007/BF00182636 Richards, 1972, Eng. Fracture Mech., 4, 951, 10.1016/0013-7944(72)90028-8 Brown, 1967, ASTM Spec. Tech. Publ. 410 Freed, 1966, J. Mater., 1, 770 McIntyre, 1971, BISRA Rept. MG/54/71 Paris, 1971, Westinghouse Res. Lab. Rept. 71-IE7-FMPWR-P7 Pelloux, 1964, Trans. Am. Soc. Metals, 57, 511 Adams, 1972, Intern. J. Fracture Mech., 8, 105, 10.1007/BF00185203