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Structural bolts

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... in composites is a direct consequence of their inherent brittleness. When a metallic structure is highly loaded, the metal will yield locally in the vicinity of the bolt hole to reduce the elastic stress concentration. However, since composites are relatively brittle, they do not yield and the stress...
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
... system. The chapter then describes important structural fasteners, namely bolts, screws, pins, collar fasteners, rivets, blind fasteners, machine pins, and spring clip fasteners. The following sections describe the process involved in presses, shrink fits, hole generation, and fastener installation...
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Published: 01 November 2010
Fig. 17.16 Influence of bolted joint design on structural efficiency. Source: Ref 3 More
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
... rivets, pins, and bolts, along with selection factors and special considerations for composite joints. It also includes information on interference-fit and blind fasteners as well as trimming operations, general assembly considerations, and sealing and painting procedures. composite structures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... the fatigue life of welded joints and discusses the factors that can reduce the fracture toughness of weld metals. bolted joints fatigue life fracture toughness rivets welded joints FAILURE IN ENGINEERING STRUCTURES are still common today, despite the fact that modern tools for designing...
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Published: 01 November 2011
Fig. 8.6 Springlike effect of loading conditions on bolted joints: (a) theoretical load condition for an elastic fastener and a rigid structure, (b) ideal relationship of bolt load to working load with an elastic fastener and a rigid structure, and (c) actual relationship (both fastener More
Image
Published: 01 November 2012
Fig. 5 Schematic showing the springlike effect of loading conditions on bolted joints. (a) Theoretical load condition for an elastic fastener and a rigid structure. (b) Ideal relationship of bolt load to working load with an elastic fastener and a rigid structure. (c) Actual relationship (both More
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Published: 01 March 2006
-nut. During tightening, nut spins freely to the locking point, but washer remains stationary and provides a bearing surface against structure. 3. Torquing of washer-nut by conventional wrenching method produces a close tolerance interference fit, seats the bolt head, and creates an evenly balanced More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270185
EISBN: 978-1-62708-301-0
... at the core. (b) SEM fractograph of bolt showing elongated dimples close to the edge Conclusion The bolts failed predominantly by tensile overload. Recommendation There is a need to reassess the design of the connecting rod system. Failure Analysis of Engineering Structures: Methodology...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270102
EISBN: 978-1-62708-301-0
... attention with respect to the bath composition and temperature. Quality control checks should be ensured to prevent occasional surface blemishes observed on the shank of unused bolts. Failure Analysis of Engineering Structures: Methodology and Case Histories Copyright © 2005 ASM International® V...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270076
EISBN: 978-1-62708-301-0
... The bolt connecting the electronic pod to the adaptor and the adaptor itself failed by overload. Use of twin suspension hooks is recommended for better stability during flight. Failure Analysis of Engineering Structures: Methodology and Case Histories Copyright © 2005 ASM International® V...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270070
EISBN: 978-1-62708-301-0
... Abstract Structural members in a radar antenna system are held together by cadmium-plated high-strength steel bolts, several of which had fractured along the fillet near the head. Investigators determined that the bolts did not seat properly, making contact only at the periphery, which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270130
EISBN: 978-1-62708-301-0
.... Failure Analysis of Engineering Structures: Methodology and Case Histories Copyright © 2005 ASM International® V. Ramachandran, A.C. Raghuram, R.V. Krishnan, and S.K. Bhaumik, p130-132 All rights reserved. DOI: 10.31399/asm.tb.faesmch.t51270130 www.asminternational.org CASE 28 Failure of Shutter Bolts...
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Published: 01 August 2018
Fig. 12.50 (a) Longitudinal cross section of a bolt machined from AISI 303 stainless steel, subjected to vibration testing. Fatigue cracks are present in the thread root. Large quantity of sulfides (nonmetallic inclusions), since this is a free cutting steel. The structure corresponds More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.9781627083010
EISBN: 978-1-62708-301-0
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
... repairs are usually preferred over bonded repairs because they are simpler and less prone to errors. A guide to help decide when to use bolted or bonded repairs is given in Table 19.1 . The advantages of bolted repairs are obvious; however, the initial design of the structure must be able to accommodate...
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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
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130351
EISBN: 978-1-62708-284-6
..., inboard flap hinge bolt, nose landing gear piston axle, multiple-leg aircraft-handling sling, aircraft hoist sling, internal spur gear, and MLG axle. In addition, the chapter provides information on full-scale fatigue testing, nondestructive testing, and failure analysis of fin attach bolts. high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720321
EISBN: 978-1-62708-305-8
... bolts. Source: Ref 2 Magnetic Permeability Systems Systems that depend on variations in magnetic permeability can be used for detecting flaws and for detecting differences in composition, hardness, or structure. With appropriate instrumentation, both functions can be accomplished...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630055
EISBN: 978-1-62708-270-9
... be caused by gradual stretching of the bolts and similar gradual relaxation of compression in the structures joined by the bolts. When the bolts are tightened, they are satisfactory for another period of time but then gradually stretch until retightened again. This process may continue for a number...