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Published: 01 June 2024
Fig. 14 Radial marks and beach marks on the fracture surface of an AISI/SAE 4140 low-alloy steel shaft that failed in torsional fatigue More
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Published: 01 January 1987
Fig. 54 Three views of a fatigue fracture in D6AC steel plate, showing beach marks. (a) Plate subjected to a series of varied loading cycles in the laboratory. The crack origin, at the bottom center, was at a starter notch formed by electrical discharge machining. (b) Area in lower square More
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Published: 01 January 2002
Fig. 9 Fracture at a wire defect. Beach marks are prominent beginning at the base of the flaw, which is indicated by the arrow. 39× More
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Published: 01 January 2002
Fig. 20 Beach marks on (a) quenched-and-tempered alloy steel pin fractured in low-cycle fatigue ( Ref 4 ), and on (b) maraging steel stud fractured in the laboratory by stress-corrosion cracking under steady load ( Ref 16 ). The presence of beach marks is indicative of progressive cracking More
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Published: 01 January 2002
Fig. 21 Curved beach marks are centered on the surface origin (arrow) of this shaft that failed in rotating bending fatigue. Beach marks are nearly semicircular near the origin. As the crack became larger, it grew more rapidly near the surface where bending stress was highest, resulting More
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Published: 01 January 2002
Fig. 14 Beach marks on a fatigue fracture in aluminum alloy 7075-T73 forging. The light-colored reflective bands are zones of fatigue crack propagation. At high magnifications, thousands of fatigue striations can be resolved within each band. The dull, fibrous bands are zones of crack More
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Published: 01 January 2002
Fig. 15 Fracture surface of steel shaft with beach marks produced by oxidation. More
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Published: 01 January 2002
Fig. 16 Beach marks on a 4340 steel part caused by SCC. Tensile strength of the steel was approximately 1780 to 1900 MPa (260 to 280 ksi). The beach marks are a result of differences in the rate of penetration of corrosion on the surface. They are in no way related to fatigue marks. 4× More
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Published: 01 January 2002
Fig. 69 Close-up view of fracture surface at the other web. Note beach marks. More
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Published: 01 December 2004
Fig. 21 Beach marks on a 4340 steel part caused by stress-corrosion cracking. Tensile strength of the steel was approximately 1780 to 1900 MPa (260 to 280 ksi). The beach marks are a result of differences in the rate of penetration of corrosion on the surface. They are in no way related More
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Published: 30 August 2021
Fig. 116 Close-up view of fatigue fracture surface with beach marks. Arrows indicate the initiation-site areas More
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Published: 15 January 2021
Fig. 20 (a) Beach marks on quenched-and-tempered alloy steel pin fractured in low-cycle fatigue ( Ref 4 ), and (b) arrest lines on a maraging steel stud fractured in the laboratory by stress-corrosion cracking under steady load ( Ref 16 ). The presence of arrest lines is indicative More
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Published: 15 January 2021
Fig. 21 Curved beach marks are centered on the surface origin (arrow) of this shaft that failed in rotating-bending fatigue. Beach marks are nearly semicircular near the origin. As the crack became larger, it grew more rapidly near the surface where bending stress was highest, resulting More
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Published: 15 January 2021
Fig. 22 Beach marks on a fatigue fracture in aluminum alloy 7075-T73 forging. The light-colored reflective bands are zones of fatigue crack propagation. At high magnifications, thousands of fatigue striations can be resolved within each band. The dull, fibrous bands are zones of crack More
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Published: 15 January 2021
Fig. 23 Fracture surface of steel shaft with beach marks produced by oxidation More
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Published: 15 January 2021
Fig. 24 Beach marks on a 4340 steel part caused by stress-corrosion cracking. Tensile strength of the steel was approximately 1780 to 1900 MPa (260 to 280 ksi). The beach marks are a result of differences in the rate of penetration of corrosion on the surface. They are not related to fatigue More
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Published: 15 May 2022
Fig. 2 Cyclic beach marks from high-frequency cyclic deformation More
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Published: 30 August 2021
Fig. 15 Fracture through an eccentric shaft. (a) Fracture surface with beach marks progressing from origin site at the bottom of the image. (b) Oblique view of the origin showing several ratchet marks and corrosion on the shaft outside diameter surface. (c) Crack profile. A small secondary More
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Published: 30 August 2021
Fig. 11 Scanning electron microscope images of (a) typical beach marks observed radiating from mechanical damage along the surface (black arrow) and (b) parallel crack arrays (red arrows) observed along the fracture surfaces More
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Published: 30 August 2021
Fig. 15 Failed compressor shaft cross section showing beach marks. Adapted from Ref 56 More