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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048261
EISBN: 978-1-62708-225-9
... Abstract The gear of a spiral bevel gear set broke into three pieces after about two years of service. The gear (made of 4817 steel) broke along the root of a tooth intersected by three of the six 22-mm diam holes used to mount the gear to a hub. Fatigue progression for about 6.4 mm...
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Published: 01 June 2019
Fig. 1 Carburized 4817 steel spiral bevel gear. The gear broke from fatigue at acute-angle intersections of mounting holes and tooth-root fillets as a result of through hardening. Dimensions given in inches More
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Published: 01 January 2002
Fig. 49 Steel shaft (AISI 4817) carburized and hardened to HRC 60. Component loaded in rotating bending. Fracture initiation in six fillet areas around the periphery. Six initiation sites are visible as evidenced by multiple sets of beach marks (curved black lines). Source: Ref 29 More
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Published: 01 January 2002
Fig. 48 Carburized 4817 steel spiral bevel gear. The gear broke from fatigue at acute-angle intersections of mounting holes and tooth-root fillets as a result of through hardening. Dimensions given in inches More
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Published: 15 January 2021
Fig. 50 Steel shaft (AISI 4817) carburized and hardened to 60 HRC. Component loaded in rotating bending. Fracture initiation in six fillet areas around the periphery. Six initiation sites are visible, as evidenced by multiple sets of beach marks (curved black lines). Source: Ref 6 More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001497
EISBN: 978-1-62708-221-1
.... The 4817 NiMo alloy steel pinion showed no indication of additional cracking, nor did the 4820 NiMo alloy steel gear. The mode of failure was tooth bending fatigue with the origin at the designed position: root radius at midsection of tooth. The load was well centered, and progression occurred for a long...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001815
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003537
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2