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Buckling

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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
... skin panel. As a corrective measure, the fastener spacing was reduced to prevent the buckling mode that precipitated fracture. Delamination Fasteners spacers Graphite-epoxy Buckling Figure 1 illustrates a portion of a graphite-epoxy tapered-box structure that fractured during testing...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001811
EISBN: 978-1-62708-241-9
...Abstract Abstract A deformed steel tube was received for failure analysis after buckling during a heat-treat operation. The tube was subjected to various metallurgical tests as well as nondestructive testing to confirm the presence of residual stresses. The microstructure of the tube was found...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0092122
EISBN: 978-1-62708-222-8
...Abstract Abstract Several 6063-T6 aluminum alloy extension ladders of the same size and type collapsed in service in the same manner; the extruded aluminum alloy 6063-T6 side rails buckled, but the rungs and hardware remained firmly in place. The ladders had a maximum extended length of 6.4 m...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
...Inelastic cycle buckling of cylindrical specimens of cold-worked 1020 steel Table 1 Inelastic cycle buckling of cylindrical specimens of cold-worked 1020 steel Peak stress Stress cycles Failure mode MPa ksi At buckling At failure 600–648 87–94 1 4 1 4...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001149
EISBN: 978-1-62708-232-7
... lengths of rolled and welded COR-TEN steel plate butt welded together on site. The pipe sustained local buckling and cracking, then fractured during the first five months of operation. Failure was due to low cycle fatigue and fast fracture caused by differential thermal expansion stresses. Thermal lag...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001514
EISBN: 978-1-62708-218-1
... unfortunate consequences. The bolt just to the front of the crimp in Figure 2 is the anchor bolt for the front seat belt retractor. When the front end of the car impacted with another automobile the defective welds allowed the floor pan to buckle. The seat belt retractor rotated upwards along with the floor...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047169
EISBN: 978-1-62708-217-4
... was normal for aluminum alloy 2014-T6 and the hardness surpassed the minimum hardness required for aluminum alloy 2014-T6. An abrupt change in the direction of grain flow across the fracture plane indicated that the wall had buckled during forging. This evidence supported the conclusion that the wheel half...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001733
EISBN: 978-1-62708-225-9
... bending alternating stress, and buckling (compressive) cyclic loading. The mode of failure was found to be reversed bending fatigue caused by drive cables moving over guide pulleys of small radii. Modifications of the machinery and drive cable system were suggested. Bending fatigue Drive cables...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
...Inelastic cycle buckling of cylindrical specimens of cold-worked 1020 steel Table 1 Inelastic cycle buckling of cylindrical specimens of cold-worked 1020 steel Peak stress Stress cycles Failure mode MPa ksi At buckling At failure 600–648 87–94...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001814
EISBN: 978-1-62708-241-9
... allowed hot syngas to bypass the water quench, and a considerable quantity of solid material had deposited outside the dip tube on the top hat and the water lines feeding the quench ring. The dip tube was extensively distorted and buckled above and below the top hat, and there were through-wall cracks...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001696
EISBN: 978-1-62708-234-1
.... The tube was received buckled inwardly away from the burst location; the tube had buckled approximately one foot, Figure 1 . The overall appearance of the burst resembled a fish-mouth rupture pattern. The exterior surface of the tubing appeared mottled and discolored, Figure 2 . The mottling corresponded...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006756
EISBN: 978-1-62708-295-2
... mechanisms are a key component in categorizing damage and failures. The definitions are: Damage mode: Description of the physical characteristics of damage observed. For example, intergranular fracture, buckling, transgranular beach marks, and pitting can be thought of as damage modes. Damage mode...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001139
EISBN: 978-1-62708-221-1
..., while Fig. 8 , shows buckled or bent booms. Fig. 3 Failure at Weld. Fig. 4 Fatigue Failure. Fig. 5 Deformation in Lift Cylinder Area. Fig. 6 Deformation of Carrier. Fig. 7 Typical Cracks in Carrier. Fig. 8 Boom Deformation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003521
EISBN: 978-1-62708-180-1
... to differentiate between primary and secondary mechanisms. Consider the failure mechanism of buckling. By itself, it is purely stress driven. However, in many systems buckling occurs as a secondary failure mechanism after wall thinning has occurred. It is important in such systems to recognize that buckling...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091028
EISBN: 978-1-62708-229-7
... ruptured and buckled with some secondary internal cracks apparent ( Fig. 1a ). The fracture surface was “thick-lipped,” and the inside diameter exhibited a tenacious, black magnetite coating. Fig. 1 Fracture of a steel superheater tube. (a) The interior of the tube that fractured showing secondary...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001524
EISBN: 978-1-62708-221-1
... chords to become overloaded, resulting in a chain reaction of fractures of members loaded in tension, and buckling of members loaded in compression. This boom collapse clearly illustrates that a failure may result from a combination of conditions, all occurring in a critical region of a structure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... Foundrymen have traditionally used rather unique names, such as rattail, scab, buckle, and shut, to describe various casting imperfections. Some of these terms have been used to describe imperfections in cast iron and steels, as noted in the following section “Imperfections That Can Occur in Iron and Steel...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
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.a0003501
EISBN: 978-1-62708-180-1
...? Use of materials: When dimensions are imposed, will the configuration provide for efficient use of all the required material? Mechanical failure: When dimensions are imposed, can the risks of failure from mechanical causes, such as fatigue, excessive stress, buckling, and so forth, be made...