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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001119
EISBN: 978-1-62708-214-3
... Abstract To samples of helical compression springs were returned to the manufacturer after failing in service well short of the component design life. Spring design specifications required conformance to SAE J157, “Oil Tempered Chromium Silicon Alloy Steel Wire and Springs.” Each spring...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001664
EISBN: 978-1-62708-226-6
... Abstract A compression hip screw is a device designed to hold fractures in the area of the femur in alignment and under compression. A side plate, which is an integral part of the device, is attached by screws to the femur, and it holds the compression screw in position. The device analyzed had...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0046210
EISBN: 978-1-62708-235-8
... AFNOR 38CD4 (similar to AISI type 4140H) and was in the quenched-and-tempered condition, with a yield strength of about 760 MPa (110 ksi). It was treated to have compressive surface stresses, and the prior-austenite grain size was ASTM 8. Analysis (visual inspection, stress analyses, and macrographs...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048498
EISBN: 978-1-62708-234-1
... of the compression-loading skin panel were revealed by nondestructive visual examination. A band of de-lamination between the areas of through-thickness skin fracture at the front and rear spar was revealed. A map of the local directions of crack propagation over the fracture surface was generated by the orientation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001220
EISBN: 978-1-62708-225-9
... Abstract A helical compression spring with ten turns made of 1.8 mm thick wire which was under high pressure during tension applied to a rocker arm broke on the test stand in the third turn. The fracture was a torsion fracture that initiated in the highly loaded inner fiber and showed in its...
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Published: 01 January 2002
Fig. 15 Crack initiation on type 316LR stainless steel dynamic compression plate. (a) Anterior-posterior radiograph. The plate was used to treat the nonunion of a fracture between the fourth and seventh screws. The plate was bent intraoperatively to fit the contour of the bone. (b) Radiograph More
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Published: 01 January 2002
Fig. 49 Compression curl of bend fracture surface. (a, b) Angle views. (c) Top view showing radial marks emanating from the origin More
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Published: 01 January 2002
Fig. 59 Tension and compression side of a gray iron loaded in bending. The fracture surface is devoid of any markings to indicate the fracture origin or direction of crack propagation. However, examination of the edge of the component at the fracture surface indicates that the tension side More
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Published: 01 January 2002
Fig. 89 Crack-initiation locations in compression loading. Crack initiation may occur along the centerline and at the surface on a hoop plane. Further deformation may close the centerline crack. More
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Published: 01 December 1992
Fig. 1 Cancellous bone screws and the seven-hole narrow dynamic compression plate. More
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Published: 01 December 2019
Fig. 6 Fracture in a glass rod demonstrates a symmetrical compression chip More
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Published: 01 December 2019
Fig. 7 SEM image that shows a NiTi wire in compression with cracks at the intrados and no cracking at the extrados More
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Published: 01 December 2019
Fig. 8 SEM image of slip lines and small cracks in a compression-damaged sample subjected to 27% strain More
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Published: 01 December 2019
Fig. 9 SEM image of slip lines and cracks in a compression-damaged NiTi wire sample subjected to 31% strain More
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Published: 01 December 2019
Fig. 10 SEM image of compression-induced cracks in a NiTi wire sample subjected to 50% strain More
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Published: 01 December 2019
Fig. 12 SEM image of compression-damaged NiTi wire that fractured at very low loads in tension More
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Published: 01 December 2019
Fig. 13 SEM image of initiation area (indicated by arrow) in compression-damaged specimen that fractured at low tensile loads More
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Published: 01 December 2019
Fig. 14 Tension and compression behavior in NiTi tubing More
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Published: 15 January 2021
Fig. 15 Twist compression test setup. Source: Ref 101 More
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Published: 15 January 2021
Fig. 3 Compression curl of bend fracture surface. (a, b) Angle views. (c) Top view showing radial marks emanating from the origin More