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Nuts (fasteners)

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Image
Published: 01 November 2012
Fig. 8 Installation of fastener with breakaway nut to control clamp-up. Source: Ref 10 More
Image
Published: 01 November 2011
Fig. 8.7 Installation of fastener with breakaway nut to control clamp-up. Source: Ref 8.1 More
Image
Published: 01 November 2010
Fig. 11.23 Blind fasteners better in fatigue than screws and nut plates. Source: Ref 4 More
Image
Published: 01 March 2006
Fig. 11.27 Effect of nut height on mean-log life of aircraft fastening. Source: Ref 11.36 More
Image
Published: 01 March 2006
Fig. 11.41 Effect of nut surface angularity on life of threaded steel fastening. Minimum load, 671 lbf; maximum load, 6710 lbf. Source: Ref 11.36 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290207
EISBN: 978-1-62708-306-5
... of fasteners and fastening systems have been developed for specific requirements, such as high strength, easy maintenance, corrosion resistance, reliability at high or low temperatures, or low material and manufacturing costs. Important structural fasteners include bolts and nuts, screws, pin and collar...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870307
EISBN: 978-1-62708-314-0
... inserts, or steel with PCD inserts. 11.4 Fastener Selection and Installation Many types of fasteners are used in aerospace structural assembly, the most prevalent being solid rivets, pins with collars, bolts with nuts, and blind fasteners. Examples are shown in Fig. 11.17 . There are also many...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... threads. With the proper selection of materials, proper design of bolt-and-nut bearing surfaces, and the use of locking devices, the assumption is that the initial clamping force will be sustained during the life of the fastened joint. This assumption cannot be made for elevated-temperature design...
Image
Published: 01 October 2012
Fig. 8.52 Typical aerospace structural fasteners, (a) rivets, (b) pin and collar, (c) bolts and nuts, (d) blind fasteners. Source: Ref 8.1 More
Image
Published: 01 March 2006
Fig. 11.65 Geometry of taper pin fastening. Installation sequence: 1. Following hole preparation with tapered drill, tapered shank bolt is inserted in hole and firmly seated by hand pressure. 2. Full contact along entire shank of bolt and hole prevents rotation of bolt while tightening washer More
Image
Published: 01 March 2006
Fig. 11.29 Effect of strength level of nut material on mean-log fatigue life of threaded fastening. Source: Ref 11.36 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060195
EISBN: 978-1-62708-355-3
... is to observe the amount of torque applied to the fastener, either as the fastener is tightened or with a breakaway audit of the tightened fastener. This procedure assumes that the relationship between torque and tension is known, such that, for example, the nut factor, or K , from the simple equation T...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230441
EISBN: 978-1-62708-298-3
... Abstract This chapter explains how to join beryllium parts using adhesive bonding and mechanical fastening techniques and discusses the advantages and disadvantages of each method. It describes the stresses that need to be considered when designing adhesive bonds, the benefits and limitations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290279
EISBN: 978-1-62708-306-5
..., automotive, and construction industries. Machine Screws and Bolts Thermoplastic resin molded parts are frequently secured together with machine screws or bolts, nuts, and washers ( Fig. 10.5a ). Particular attention should be paid to the head of the fastener. Conical heads produce undesirable tensile...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
.... It describes several welding processes, including arc welding, resistance welding, and friction stir welding, and addresses related issues such as welding defects, quality control, and stress relieving. The chapter also covers mechanical fastening techniques along with adhesive bonding and brazing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the use of mechanical fastening and adhesive bonding, the primary methods for joining polymer matrix composites. It describes and analyzes the basic types of mechanically fastened joints, including single-hole and multirow bolted composite joints. It then reviews...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870517
EISBN: 978-1-62708-314-0
... and then reaming to final size. The patch sections are then removed, countersunk on the exterior surface, deburred, fay-surface-sealed, and reinstalled with temporary fasteners. Full-size fasteners are then installed. If access to only one side is possible, then either blind fasteners can be used or nut plates can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270102
EISBN: 978-1-62708-301-0
.... dowel bolts fatigue failure fractography low-cycle fatigue test metallography scanning electron microscopy Summary The spur and bevel gears of an aircraft engine were fastened by a set of six dowel bolts. Following a few incidents of dowel bolt failure, the diameter of the bolts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870267
EISBN: 978-1-62708-344-7
... Fig. 11.27 Effect of nut height on mean-log life of aircraft fastening. Source: Ref 11.36 Fig. 11.28 Two methods for distributing force among threads. (a) Large undercut at base to permit flexing. (b) Distributed small undercuts at several threads. Source: Ref 11.22 Fig. 11.29...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
..., or a black powder may appear for aluminum materials.) Mechanical Disconnects Many designs incorporate threaded fasteners for attaching components. These include nuts, bolts, screws, and other threaded joints. Threaded fasteners can disconnect for any of several reasons, including vibration, inadequate...