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Bolted joints

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Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003323
EISBN: 978-1-62708-176-4
..., friction coefficient testing, torque tension testing, locknut testing, and angular ductility and rotational capacity tests. The article reviews the basic methods and fundamental principles for mechanical testing of externally and internally threaded fasteners and bolted joints. The test methods...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003384
EISBN: 978-1-62708-195-5
... at small holes in fiber-reinforced composites Fig. 24 Bearing and hoop stresses at bolt hole Fig. 25 Modes of failure for bolted joints in advanced composites Fig. 26 Relationship between strengths of bolted joints in ductile metals, fiber-reinforced composites, and brittle...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002368
EISBN: 978-1-62708-193-1
...Abstract Abstract This article discusses the effect of thread design, preload, tightening, and mean stress on the fatigue strength of bolt steel. It describes the factors influencing fatigue failures in cold-driven and hot-driven riveted joints. The factors affecting the fatigue resistance...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003444
EISBN: 978-1-62708-195-5
... balloted but not yet approved at the time of this writing. Fig. 1 Typical failure modes for bolted joints in advanced composites Fig. 2 Longitudinal or transverse tensile static and fatigue specimens. (a) Ply drop-off specimen. (b) Plain specimen. (1) Bond glass-epoxy tabs with an epoxy...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001468
EISBN: 978-1-62708-173-3
... shear modulus; t a , adhesive thickness; γ SU , adhesive plastic shear strain (SU, shear ultimate). Original specimen dimensions given in inches Fig. 12 Composite-to-metal bolted joint concept. Original specimen dimensions given in inches Fig. 13 Correlation between predicted...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003455
EISBN: 978-1-62708-195-5
... and adhesively bonded repairs of the composite structures. The article presents several examples to illustrate how these repairs can be achieved. adhesive bonding bolted joints bolting co-cured panels composite repair repair design honeycomb sandwich panel construction riveting DESIGN...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003391
EISBN: 978-1-62708-195-5
.... For example, analytical methods should be able to distinguish between the following bolted-joint failure modes: net section, shear-out, end splitting, or pure bearing (compression). The methods development process is likely to involve several test and analysis iterations. The “Building Block” Approach...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006501
EISBN: 978-1-62708-207-5
... Lower mass than bolt-nut combination of same diameter Additional mass and cost of fasteners Ability to achieve gas tight and fluid tight joints Scrap from pin tail (pull-type lockbolts only) Environmentally friendly—clean, low-energy process with no fumes, emissions, or sparks Deformation...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003451
EISBN: 978-1-62708-195-5
... progress on its first document to provide a theoretical basis for the design of composite repairs. It would be helpful if this work included the design of bolted joints. There is a need for a nondestructive method of measuring adhesive bond strength and also a method of measuring the “bondability...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003427
EISBN: 978-1-62708-195-5
.... , “Fastening Composite Structures with HUCK Fasteners,” Technical Paper, Huck Manufacturing Co. , 1984 5. Grant P. , Nguyen N. , and Sawicki A. , “Bearing, Fatigue, and Hole Elongation in Composite Bolted Joints,” 49th Annual Forum, American Helicopter Society , May 1993 6...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003043
EISBN: 978-1-62708-200-6
... Clearance in the hole Fig. 15 Fastener with corrosion protection finish that was struck by 100,000 A, causing heavy damage to the surrounding composite Fig. 16 Bare fastener struck by 100,000 A. No damage to composite Fig. 17 Conventional blind bolt installed in hybrid joint...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002415
EISBN: 978-1-62708-193-1
...°] s laminate subjected to fatigue loading Fig. 11 Effect of torque-up on bolted joint fatigue life Fig. 12 Effect of R ratio of an fatigue life Fig. 1 Photomicrographs showing crack patterns under static loading: [0°/90°/±45°] s . (a) 440 MPa or 65 ksi. (b) 483 MPa...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003458
EISBN: 978-1-62708-195-5
.... Hoskin B.C. and Baker A.A. , Ed., Composite Materials for Aircraft Structures, AIAA Education Series , AIAA, 1986 7. Hart-Smith L.J. , “Design Methodology for Bonded-Bolted Composite Joints,” AFWAL-TR-81-3154, Feb 1982 8. Hart-Smith L.J. , Design Details...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003393
EISBN: 978-1-62708-195-5
... conditions are usually at elevated temperature and fully moisture-saturated conditions. Analytical limitations currently exist in predicting failure for important failure modes when moving from lamina properties to practical laminates. Important failure modes that dominate design, such as bolted joint...
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
... used in combination with adhesive bonding to improve the integrity of highly stressed joints. The usual bolts, pins, rivets, and blind fasteners are used for composites; however, the many problems encountered have stimulated the development and testing of numerous special-purpose fasteners and systems...
Book Chapter

By John E. Moalli
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003461
EISBN: 978-1-62708-195-5
... also need to be monitored carefully during assembly. For example, excessive applied torque in bolted joints not only can cause visible bearing failures, but subsurface interlaminar failures can also be induced. Because these failures are not readily observed, they tend to be more insidious as they can...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001018
EISBN: 978-1-62708-161-0
... will be lost as temperature increases. Conversely, if the coefficient of expansion of the joined material is greater, the bolt may be stressed beyond its yield or even fracture strength, or cyclic thermal stressing may lead to thermal fatigue failure. Thus, matching of materials in joint design can ensure...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002478
EISBN: 978-1-62708-194-8
... through the thickness are illustrated at several positions along the length of the composites Fig. 18 Failure modes in bolted joints. Failure not only depends on the geometrical dimensions, but also on the laminate construction. Arrows show direction of tensile loading. Source: Ref 46...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003208
EISBN: 978-1-62708-199-3
... lengths. It is an effective way of minimizing the number of bolted joints in the track structure. The thermite welding of rails, including a short preheat, involves the following basic operations: Cut or space the rails to be welded so that the gap specified by the manufacturer is achieved...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003208
EISBN: 978-1-62708-199-3
.... The most common application of the process is the welding of rail sections into continuous lengths. It is an effective way of minimizing the number of bolted joints in the track structure. The thermite welding of rails, including a short preheat, involves the following basic operations: Cut...