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bolted friction joints

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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
... friction joints are also discussed. The article reviews stress concentrations in pin joints and discusses stress-intensity factors for mechanically fastened joints. bolt steel bolted friction joints cold-driven riveted joints fatigue failure fatigue resistance fatigue strength hot-driven...
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
... loading. In addition, joint strength problems, such as thread strip and embedment of bearing surfaces and material yield within the bolted joint, are easily identified. Torque, Angle, Tension, and Friction A proper amount of tension, or clamping force, must be developed to ensure that a bolted...
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
..., but then lightning-strike behavior may be more of a concern. Additional information about general fastener selection criteria can be found in the article “Mechanical Testing of Threaded Fasteners and Bolted Joints” in Mechanical Testing and Evaluation , Volume 8 of ASM Handbook . Corrosion Compatibility...
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
... techniques. The preload in an assembled joint is influenced by the friction in the contact surfaces (thread and bearing area) moving relative to one another, the geometrical form of the joint (bolt, nut, clamped parts), the joint strength, the tightening technique, and the tightening tool ( Ref 45...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002372
EISBN: 978-1-62708-193-1
... be expected and a reduction in the coefficient of friction is desired since the surface shear stresses are reduced. Reduction in coefficient of friction for clamped (bolted or riveted) joints has been shown to be detrimental in some cases because the lower coefficient of friction between the overlapping...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003316
EISBN: 978-1-62708-176-4
... is desired because the surface shear stresses are reduced. Reduction in the coefficient of friction for clamped (bolted or riveted) joints has been shown to be detrimental in some cases because the lower coefficient of friction between the overlapping plates increases the load-carrying requirements...
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
... produced by a selected torque value depends directly on the friction between the contacting threads and under the nut or head of the bolt. The use of an effective lubricant on the threads may result in overloading of the fastener, whereas the use of a less effective lubricant may result in a loose joint...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003043
EISBN: 978-1-62708-200-6
... by the relative brittleness of fiber-reinforced composites. Yielding of ductile metals usually reduces the stress concentrations around bolt holes so that there is only a loss of area, with no stress concentration at ultimate load on the remaining (net) section at the joints. With composites, however...
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
... directly on the friction between the contacting threads. The use of an effective lubricant on the threads may result in overloading of the fastener, whereas the use of a less effective lubricant may result in a loose joint. With proper selection of materials, proper design of bolt-and-nut bearing surfaces...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005678
EISBN: 978-1-62708-198-6
...). The principal physical properties and tribological characteristics of these materials are summarized. The article discusses pin-on-disk experiments and pin-on-plate experiments for determining friction and wear characteristics. It explains the use of various types of joint simulators, such as hip joint...
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
...-Strength Bolts for Structural Steel Joints (Metric)” ASTM A 490M, “Specification for High-Strength Steel Bolts, Classes 10.9 and 10.9.3, for Structural Steel Joints (Metric)” ASTM A 563M, “Carbon and Alloy Steel Nuts (Metric)” However, not all of the ISO property classes are used...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006133
EISBN: 978-1-62708-175-7
... and tolerances of raw parts are crucial. Mechanical Fastening Mechanical fastening techniques, such as folding, riveting, and bolting, can be used for molybdenum joints that are to be subjected to higher mechanical stresses. Mechanical joints are unsatisfactory for tungsten unless molybdenum fasteners...
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
..., 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 to Structural...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003021
EISBN: 978-1-62708-200-6
..., or internally via molecular friction caused by mechanical motion at the joint interface. In the case of external heating, the heat source is removed prior to the application of pressure, and longer welding times are balanced by the greater tolerance to variations in material characteristics. Internal heating...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006486
EISBN: 978-1-62708-210-5
... for the fasteners) reaches the tensile ultimate strength, if the net section is uniformly stressed. If some but not all elements of the member are connected at the member ends, however, the net section is not uniformly stressed. For example, if the flanges of an I-beam are bolted at the member ends to a joint...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.9781627082105
EISBN: 978-1-62708-210-5
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003281
EISBN: 978-1-62708-176-4
... of Polymeric Materials for Use in Total Joint Prostheses Materials for human joints (μ k ) Note: Used with permission of the G-2 Committee on Wear and Erosion Microscale Friction Tests In recent years, the ability to perform friction-type tests at scales approaching the atomic level has been...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006361
EISBN: 978-1-62708-192-4
..., Sole. Heel, or Related Materials Footwear materials versus walking surfaces (reliable ranking of footwear for slip resistance) (μ k ) F732 (F-4 on medical and surgical materials) Reciprocating Pin-on-Flat Evaluation of Friction and Wear Properties of Polymeric Materials for Use in Total Joint...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 2024
DOI: 10.31399/asm.hb.v12.a0006845
EISBN: 978-1-62708-387-4
... oils, fluoresce under UV light. Fluorescing material on the fracture surface of a high-strength steel bolt that failed immediately upon application of the specified installation torque is shown in Fig. 3 . The fluorescing material on the fracture surface is a clear indication of thread lubricant...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003689
EISBN: 978-1-62708-182-5
... of the joint are transferred by the friction developed between the connected surfaces. The load that can be transmitted is determined from the clamping force applied to the bolts and the coefficients of friction of the faying surfaces. Clean, galvanized mating surfaces have a coefficient of friction...