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Bend properties

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001466
EISBN: 978-1-62708-221-1
... arising from misalignment were responsible for the fatigue failure, which occurred in a region of stress concentration where insignificant fillet radius had been provided. Bend properties Gear boxes Hoists Stress concentration Alloy steel Fatigue fracture This shaft, which carried both...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001341
EISBN: 978-1-62708-215-0
... temperature, replacing the Schedule 40 100 deg bends with Schedule 80 pipe, and solution annealing the pipe after bending. Boiler tubes Brittle fracture Contaminants Creep (materials) Ductility Intergranular fracture Lead (metal), Impurities Mechanical properties SB407 Incoloy 800H UNS N08810...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... require multiple samples Properties can be specimen-size dependent Unidirectional compression Yield strength Tensile strength Ductility Components may not be conducive to a test specimen Anisotropic materials require multiple samples Bend Ductility Bending is not a mechanical property...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048846
EISBN: 978-1-62708-234-1
... and in the circumferential direction in response to a bending moment load. It was concluded that the primary cause of failure was the occurrence of bending stresses that exceeded the stress levels predicted by design calculations and that were higher than the maximum allowable primary membrane stress. Bending stresses...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001801
EISBN: 978-1-62708-241-9
... Fracture surface morphology of Rod “A” Fig. 11 Fractured surface morphology of Rod “B” Fig. 12 Surface morphology of straight section of Rod “A” Fig. 13 Surface morphology of straight section of Rod “B” Fig. 14 Location of bend on a rod (black arrow) Fig. 15...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001646
EISBN: 978-1-62708-219-8
... by cold drawing high-carbon wire rod in multi-pass drawing machines. In addition to high tensile strength, roping wires must also possess good surface characteristics and adequate torsion and bend properties to withstand the rigors of rope manufacture and service exposure. The overall strength of a wire...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001792
EISBN: 978-1-62708-241-9
... from the engine to the gears, is made of carbon steel. Fracture surface examination of the gear shaft revealed circumferential ratchet marks with the presence of inward progressive beach marks, suggesting rotary-bending fatigue. The fracture surfaces on the clutch shaft exhibited a star-shaped pattern...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001838
EISBN: 978-1-62708-241-9
... Fig. 1 Photograph of bent pipe section Fig. 2 Pipe bending process with high frequency inductive heating and subsequent water quench Fig. 3 Photograph of pipe section in as received condition, as affected by surface cracking Fig. 4 Closer view of Fig. 3 . Gaping...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001547
EISBN: 978-1-62708-225-9
... concentration depended on end hook bend sharpness. Also, interference fits are to be avoided in the end hooks of small springs. Additionally, a need for careful consideration of the stress-corrosion properties of candidate materials for spring applications has been demonstrated by stress-corrosion test results...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001100
EISBN: 978-1-62708-214-3
... to the Rockwell C scale, the range was 28 to 35 HRC on one side and 27 to 35 HRC on the opposite side. In the short leg of the bolt, away from the bend, the hardness range was 88 to 100 HRB. Tensile Properties One round tensile specimen (6.35 or 0.25 in., diameter; 25.4 mm, or 1 in., gage length...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001802
EISBN: 978-1-62708-241-9
... are generally consistent with those of ductile metals, such as austenitic stainless steel, with one exception: Nitinol exhibits a unique damage mechanism under high bending strain, where damage occurs at the compression side of tight bends or kinks while the tensile side is unaffected. The damage begins as slip...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001781
EISBN: 978-1-62708-241-9
... of 0.001/s. (We deduced that the aluminum alloy could be A360.0) Fig. 4 Experimental setup for the structural testing. The load was applied vertically to simulate the bending of the club for maximum stress analysis at the failure location Fig. 6 (a) SEM image of the subject club...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001287
EISBN: 978-1-62708-215-0
... treatment be used. The provision of a stop to reduce bending stresses was also recommended. Extruders Shafts (power) UNS G10220 1022 EN3 Fatigue fracture Background A piston shaft on the billet-loading tray of an extrusion press experienced recurring failure. The shaft, which...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0047850
EISBN: 978-1-62708-233-4
... surface exhibited features typical of reversed-bending fatigue ( Fig. 1b ). Analysis of the material in the shaft showed that it conformed with the composition of 1040 steel. The mechanical properties of a tensile specimen machined from the center of the shaft were: tensile strength, 631 MPa (91.5 ksi...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001677
EISBN: 978-1-62708-222-8
... of paranormal events [ 4 ]. In addition, there have been numerous accounts of spoon bending of a purely descriptive nature with no analysis being conducted [ 1 , 2 , 5 ]. An attempt at experimentally investigating the paranormal effect on metals has been conducted over a period of time by Hasted [ 6 , 7 , 8...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001496
EISBN: 978-1-62708-231-0
.... The primary mode was tooth bending fatigue, both of the gear and of the pinion. Was the carburized case hard enough and deep enough at the root radius to have withstood normal loads? A case hardness traverse must be taken to determine case properties. Since the failure was at the root radius toward the toe...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001005
EISBN: 978-1-62708-215-0
..., revealed that fatigue crack initiation occurred from the tip of oxide scale inclusions forged into the U-shaped arm at the inside radius. Corrective action involved redesigning the steering arm to increase the minimum forging radius and reduce the stress level at the inner-bend radius, and reducing...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001108
EISBN: 978-1-62708-214-3
... revealed that the cracks initiated at the outer surface by a combined mechanism of creep and intergranular embrittlement. A smaller grain size resulting from cold bending fabrication procedures for the curved parts was responsible for accelerating the embrittlement. It was recommended that hot bending...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001323
EISBN: 978-1-62708-215-0
..., silicon, phosphorus, sulfur, potassium, calcium, chromium, and iron, which indicated that carryover from the steam drum has occurred. Fig. 10 EDS elemental analysis results for the internal deposits from the superheater U-bend sample 4T. Mechanical Properties Hardness Hardness...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001288
EISBN: 978-1-62708-215-0
... of the table material. 83×. Mechanical Properties Mechanical properties of the platen material are given in Table 2 . The endurance limit (σ eo ) of cast steels in reversed bending is generally as sumed to be equal to 40% of the tensile strength of steel. Then, σ eo = 0.4 σ TS...