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Medium-carbon steel

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089459
EISBN: 978-1-62708-235-8
... Abstract The connecting end of two forged medium-carbon steel rods used in an application in which they were subjected to severe low-frequency loading failed in service. The fractures extended completely through the connecting end. The surface hardness of the rods was found to be lower than...
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Published: 01 January 2002
Fig. 73 Forging fold in a medium-carbon steel. Arrow indicates forging folds that initiated the crack. 20× More
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Published: 01 January 2002
Fig. 16 Characteristic X-pattern on the surface of a medium-carbon steel crankshaft tested under reversed torsional fatigue. Fatigue initiated on a transverse plane of maximum shear, then propagated on two pair of helical surfaces. Source: Ref 11 More
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Published: 01 January 2002
Fig. 24 Rotating bending fatigue failure of keyed medium-carbon steel shaft. Fatigue initiated at a corner of the keyway, as marked. Beach marks in that vicinity are concentric about the origin. As the fatigue crack grew, the bending stress distribution produced more rapid growth near More
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Published: 01 January 2002
Fig. 26 More extensive cracking observed in tougher but softer medium-carbon steel More
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Published: 01 January 2002
Fig. 14 Fracture surface of a sand-cast medium-carbon steel heavy-duty axle housing. Failure originated at a hot tear (region A), which propagated in fatigue (region B) until final fracture occurred by overload. 0.4× More
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Published: 01 June 2019
Fig. 1 Fracture surface of a sand-cast medium-carbon steel heavy-duty axle housing. Failure originated at a hot tear (region A), which propagated in fatigue (region B) until final fracture occurred by overload. 0.4× More
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Published: 15 January 2021
Fig. 24 Rotating-bending fatigue failure of keyed medium-carbon steel shaft. Fatigue initiated at a corner of the keyway, as marked. Beach marks in that vicinity are concentric about the origin. As the fatigue crack grew, the bending-stress distribution produced more rapid growth near More
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Published: 15 January 2021
Fig. 26 More extensive cracking observed in tougher but softer medium-carbon steel More
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Published: 15 January 2021
Fig. 73 Forging fold in a medium-carbon steel. Arrow indicates forging folds that initiated the crack. Original magnification: 20× More
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Published: 15 January 2021
Fig. 16 Characteristic X-pattern on the surface of a medium-carbon steel crankshaft tested under reversed torsional fatigue. Fatigue initiated on a transverse plane of maximum shear, then propagated on two pair of helical surfaces. Source: Ref 11 More
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Published: 01 December 2019
Fig. 1 A graphitized medium carbon steel; ( a ) graphite nodule in pearlite, with uniform distribution of cementite particles in pearlite around it; ( b ) same steel overaged—complete graphitization and phases present are ferrite and graphite only More
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Published: 01 December 2019
Fig. 2 Stages of graphitization of a medium carbon steel aged at constant temperature, showing the effect of temperature during aging More
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Published: 01 January 2002
Fig. 16 Duct assembly of medium-carbon steels in which welded bellows liners of type 321 stainless steel fractured in fatigue. (a) Configuration and dimensions (given in inches). (b) Light fractograph showing fracture origin (top edge). 30× More
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Published: 01 June 2019
Fig. 1 Duct assembly of medium-carbon steels in which welded bellows liners of type 321 stainless steel fractured in fatigue. (a) Configuration and dimensions (given in inches). (b) Light fractograph showing fracture origin (top edge). 30x More
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Published: 01 January 2002
Fig. 38 SEM view of fatigue fracture surface of annealed medium-carbon alloy steel tested in rotating bending. No distinct fatigue striations could be resolved. Crack growth direction from right to left More
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Published: 01 January 2002
Fig. 15 Deformation of medium-carbon and hardenable steel bars by quenching from below and above the transformation temperature and by stress relieving. l c , change of length; WQ, water quench; OQ, oil quench. (a) to (c) JIS S38C steel (0.38% C). (d) to (f) JIS SNCM 439 steel (0.39% C, 1.8 More
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Published: 01 January 2002
Fig. 22 Dimensional variation of a medium-carbon (0.4%) steel bar (200 mm, or 8 in., diam × 500 mm, or 20 in.) after the indicated heat treatments. These bars were quenched vertically with one end down (marked “0” in the figure). (a) and (c) show no transformation, thermal strain only after More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047541
EISBN: 978-1-62708-217-4
... Abstract A throttle arm of an aircraft engine fractured and caused loss of engine control. The broken part consisted of a 6.4-mm (1/4-in.) diam medium-carbon steel rod with a thread to fit a knurled brass nut that was inserted into the throttle knob. The threaded rod had been welded...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0089551
EISBN: 978-1-62708-218-1
... Abstract A sand-cast medium-carbon steel heavy-duty axle housing, which had been quenched and tempered to about 30 HRC, fractured after almost 5000 h of service. Investigation (0.4x magnification) revealed that the fracture had been initiated by a hot tear that formed during solidification...