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taper pipe threads

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006409
EISBN: 978-1-62708-217-4
...% IACS (International Annealed Copper Standard) and the small male end connector to have a conductivity of 27.5% IACS. The threads of all connector components were incompletely formed with a bottom tap and therefore produced a tapered or pipe-type thread. The large male end connector had only one...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001381
EISBN: 978-1-62708-215-0
... Abstract A helicopter main rotor bolt failed in the black-coated region between the threads and the taper section of the shank during assembly. The torque applied was approximately 100 N·m (900 in.·lbf) when the bolt sheared. No other bolts were reported to have failed. The failed bolt material...
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
... Abstract This article discusses different types of mechanical fasteners, including threaded fasteners, rivets, blind fasteners, pin fasteners, special-purpose fasteners, and fasteners used with composite materials. It describes the origins and causes of fastener failures and with illustrative...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... environmental effects, manufacturing discrepancies, improper use, or incorrect installation. Next, it describes fastener failure origins and fretting. Types of corrosion in threaded fasteners and their preventive measures are then covered. The performance of fasteners at elevated temperatures is addressed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... instrumentation Improper coupling Improper bearing Improper seal Insufficient shutdown devices Material of construction Corrosion and/or erosion Rapid wear Fatigue Strength exceeded Galling Wrong hardening method Design for installation Unsatisfactory piping support Improper piping flexibility Undersized...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
... for the engine in the airframe “hole”) Engine support points Maximum support reaction loads Piping interface locations and connectors Electrical interface locations and connectors And more The design specification is the written-word blueprint for the design execution that follows...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... to prevent contact with the blade shoulders as assembled. Example 2: Sprocket Locking Device Failure <xref rid="a0006753-ref28" ref-type="bibr">(Ref 28)</xref> A design deficiency involving improper materials selection was revealed through the analysis of a failed tapered-ring sprocket locking device...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... of SCC. Proper selection of fastener materials for the service environment is essential. The substitution of a straight-threaded connection for a pipe-threaded connection is another corrective measure that has been used to reduce the stress concentrations. In one case, the use of pipe-threaded fittings...
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
... discusses the types of imperfections that can be traced to the original ingot product. These include chemical segregation; ingot pipe, porosity, and centerline shrinkage; high hydrogen content; nonmetallic inclusions; unmelted electrodes and shelf; and cracks, laminations, seams, pits, blisters, and scabs...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... stress concentrators can also be introduced during solidification of ingots from which forged shafts are made. Generally, these stress concentrators are internal discontinuities, such as pipe, segregation, porosity, shrinkage, and nonmetallic inclusions. Fractures also result from bearing...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
... forged shafts are made. Generally, these stress concentrators are internal discontinuities, such as pipe, segregation, porosity, shrinkage, and nonmetallic inclusions. Fractures also result from bearing misalignment that is either introduced at assembly or caused by deflection of supporting members...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... and residential plumbing systems, SCC can occur in brass plumbing components that are used in a hard temper condition or that have residual stresses from final finishing, such as rolled threads. Stainless steel clamps used in residential cross-linked polyethylene (PEX) plumbing systems exhibit SCC when moisture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001459
EISBN: 978-1-62708-234-1
... Considerations of space preclude giving examples of all the various crack types discussed. The majority of those shown have some unusual feature of interest. Figure 5 depicts the fracture surface of a press column with a buttress-type thread, 8 1 4 in. diameter, subjected to tensile loading...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006917
EISBN: 978-1-62708-395-9
... polyvinyl chloride pipes Automotive lenses Handheld devices Architectural and multilayer glazing Lately, ESC failures have become increasingly prevalent in the medical device industry due to the changes in cleaning methods and aggressiveness of new disinfection solutions. While certain ESC...
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
... in casting designs that emphasize progressive solidification toward a gate or riser, tapered walls, and the avoidance of hot spots. Static properties are mostly unaffected by microporosity. Microporosity is found between dendrites and, similar to macroporosity, is caused by the inability of feed metal...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
..., it is still a verv effective stress concentrator. Subsequent design changes involved a tapered change in section at the cracked location and later at the start of the wrench flats above the cracked region. Fig. 1 AISI W1 (0.85% C) tool steel concrete roughers that failed after short service (2 min...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006818
EISBN: 978-1-62708-329-4
... a smooth, filleted surface, it is still a very effective stress concentrator. Subsequent design changes involved a tapered change in section at the cracked location and later at the start of the wrench flats above the cracked region. Fig. 1 AISI W1 (0.85% C) tool steel concrete roughers that failed...
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
... to decrease (“Before test” curve, Fig. 7a ). This taper, or integral choke, which is intended to concentrate the shot pattern, ended about 3.8 cm (1 1 2 in.) from the muzzle, and the final portion of the barrel had a relatively uniform inside diameter. Fig. 7 Comparison of longitudinal...
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
... in.) from the muzzle; at this point, the inside diameter began to decrease (“Before test” curve, Fig. 7a ). This taper, or integral choke, which is intended to concentrate the shot pattern, ended approximately 3.8 cm (1½ in.) from the muzzle, and the final portion of the barrel had a relatively uniform...