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aluminum extrusion

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Published: 01 January 2002
Fig. 41 Crystallographic fatigue of 6000-series aluminum extrusion near fracture origin in rotating beam specimen. Global crack propagation direction from bottom to top in this SEM view More
Image
Published: 15 January 2021
Fig. 41 Crystallographic fatigue of 6000-series aluminum extrusion near fracture origin in rotating-beam specimen. Global crack propagation direction from bottom to top in this scanning electron microscope view More
Image
Published: 01 December 1992
Fig. 1 Plan diagram of the main rotor blade, showing the aluminum extrusion spar, the 26 fiberglass trailing-edge pockets, the hub and endcap fittings, and the approximate location of the separation. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0046015
EISBN: 978-1-62708-235-8
... Abstract A two-section extension ladder, made from 6061-T6 aluminum alloy extrusions and stampings that were riveted together at each rung location and at the ends of side rails, broke in service after having been used at the sites of several fires by the fire department of a large city...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001024
EISBN: 978-1-62708-214-3
... 6061-T651 aluminum alloy extrusion and 26 fiberglass “pockets” that provided the trailing-edge airfoil shape. Visual examination of the fracture surface of the aluminum extrusion indicated fatigue crack growth followed by ductile overload separation. Examination of the fatigue fracture region revealed...
Image
Published: 01 January 2002
Fig. 3 Aluminum alloy 6063-T6 extension-ladder side-rail extrusion that failed by plastic deformation and subsequent buckling. (a) Configuration and dimensions (given in inches). (b) Relation of maximum applied load to the section thickness of the flanges and web of the side-rail extrusion. More
Image
Published: 01 June 2019
Fig. 1 Aluminum alloy 6063-T6 extension-ladder side-rail extrusion that failed by plastic deformation and subsequent buckling. (a) Configuration and dimensions (given in inches). (b) Relation of maximum applied load to the section thickness of the flanges and web of the side-rail extrusion. More
Image
Published: 15 January 2021
Fig. 3 Aluminum alloy 6063-T6 extension-ladder side-rail extrusion that failed by plastic deformation and subsequent buckling. (a) Configuration and dimensions (given in inches). (b) Relation of maximum applied load to the section thickness of the flanges and web of the side-rail extrusion More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001788
EISBN: 978-1-62708-241-9
... industrial practice in an aluminum extrusion plant, nitriding is commonly used to surface harden the extrusion dies. In the case of H13 hot-work tool steel, the hardness of the nitrided surface may reach to approximately 56–62 HRC. Therefore, tensile strength values are attained at 56 RC hardness at selected...
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
... beyond the yield strength of the alloy. Recommendations included increasing the thickness of the flange and web of the side-rail extrusion. Buckling Extrusions Plastic deformation 6063-T6 UNS A96063 Buckling Several aluminum alloy extension ladders of the same size and type collapsed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001455
EISBN: 978-1-62708-234-1
... are mostly produced by extrusion. Some material processed this way has been prone to exfoliation corrosion. Extended aging for 24 h at a temperature of 185 deg C (365 deg F) virtually suppresses the tendency for exfoliation corrosion to develop. Also, the use of a sprayed coating, either of aluminum or Al...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001546
EISBN: 978-1-62708-217-4
... Defect in Fig. 4 at higher magnification. Cracking around the aluminum-manganese phase is apparent. ×1000. The presence of interconnecting microcracks between adjacent discontinuities supported the hydrogen blistering diagnosis. It should be pointed out that no evidence of overheating...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006402
EISBN: 978-1-62708-217-4
... Abstract New aircraft wing panels extruded from 7075-T6 aluminum exhibited an unusual pattern of circular black interrupted lines, which could not be removed by scouring or light sanding. The panels, subsequent to profiling and machining, were required to be penetrated inspected, shot peened...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... Abstract This article discusses technologies focused on processing plastic materials or producing direct tools used in plastics processing. The article focuses on extrusion and injection molding, covering applications, materials and their properties, equipment, processing details, part design...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001691
EISBN: 978-1-62708-234-1
... subsequently remedied after considerable investigations. Extrusions Synchroton radiation Vacuum chambers Water connections 3003 UNS A93003 6061 UNS A96061 Pitting corrosion Introduction The storage ring vacuum chamber is fabricated from 6061 aluminum ( Fig. 1 ). The water cooling holes...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001729
EISBN: 978-1-62708-217-4
... and to the left (when facing forward). Fifth, stainless fragments from the toilet bowl were found to the rear of the aircraft, but aluminum fragments were forward of this area, and even in the passenger compartment. Fig. 6 Cut in upper rim of piece of waste towel receptacle has extrusion effect at lefthand...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001366
EISBN: 978-1-62708-215-0
... Abstract An AMS 4126 (7075-T6) aluminum alloy impeller from a radial inflow turbine fractured during commissioning. Initial examination showed that two adjacent vanes had fractured through airfoils in the vicinity of the vane leading edges, and one vane fractured through an airfoil near the hub...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... operations are also classified as either primary metalworking (where mill forms such as bar, plate, tube, sheet, and wire are worked from ingot or other cast forms) or secondary metalworking (where mill products are further formed into finished products by hot forging, cold forging, drawing, extrusion...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006915
EISBN: 978-1-62708-395-9
... and aluminum flake, can form three-dimensional pathways for conduction through insulating polymer matrices. Finally, highly conjugated polymers such as polyacetylene and polyaniline provide sufficient electron movement to reach semiconductor conductivity. For full conductivity, they rely on dopants...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003539
EISBN: 978-1-62708-180-1
... steel ( Fig. 42 ). Fig. 40 Crystallographic fatigue of 18-8 austenitic stainless steel near fracture origin in rotating beam specimen. Global crack propagation direction from lower left to upper right in this SEM view Fig. 41 Crystallographic fatigue of 6000-series aluminum extrusion...