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Leaf springs

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Published: 01 January 1990
Fig. 3 Maximum working stress for bending flat and leaf springs made of 1095 steel More
Image
Published: 01 January 1990
Fig. 23 Theoretical load-deflection diagrams for two leaf springs. In each diagram, the dashed line represents the minimum-energy spring having the same design load and ride clearance as the spring represented by the solid line. More
Book Chapter

By Loren Godfrey
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001019
EISBN: 978-1-62708-161-0
... and formulas are available to aid in the design of springs. electroplating elevated temperatures extension springs fatigue testing hot-wound springs mechanical properties residual stresses steel springs leaf spring STEEL SPRINGS are made in many types, shapes, and sizes, ranging from...
Book Chapter

By Mark Hayes
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002377
EISBN: 978-1-62708-193-1
... support the maximum applied stress, at which time overload failure will occur. Fatigue is a likely failure mechanism for all types of springs (compression, extension, torsion, leaf, presswork, spiral, constant force, disc, etc.) as well as for all spring sizes (fatigue occurs in springs made from...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002453
EISBN: 978-1-62708-194-8
... purposes ( Ref 11 ): One thinks of axial springs (a rubber band, for example), leaf springs, helical springs, spiral springs, and torsion bars. The primary function of a spring is that of storing elastic energy and, when required, releasing it again. The objective, then, is to maximize the energy that can...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000608
EISBN: 978-1-62708-181-8
... embrittlement impact fracture inclusions intergranular fracture leaf springs rotating bending fatigue transgranular cleavage Fig. 319 Fracture due to corrosion fatigue of a 115-mm (4.5-in.) diam API 5A, grade E, seamless drill pipe. The fine-grained 0.4C-Mn alloy steel (∼AISI 1340) was used...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006897
EISBN: 978-1-62708-392-8
... with a strap that is designed to fit inside the shoe. A thermoplastic AFO leaf spring is a prefabricated polypropylene AFO designed to support flaccid drop foot. It provides a semirigid section for toe clearance and support yet has a thin, flexible foot plate for easy trimming. The absence of a heel section...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003981
EISBN: 978-1-62708-185-6
..., in producing a shape, roll forging generally involves the shaping of long, thin, often tapered parts. Typical examples are airplane propeller-blade half sections, tapered axle shafts, tapered leaf springs, table-knife blades, hand shovels and spades, various agricultural tools (such as pitchforks...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003103
EISBN: 978-1-62708-199-3
.... In automobile leaf springs, the leaves are designed with a low section modulus in the direction of loading. The allowable deflection is large, and most of the cross section is highly stressed. In general, hardening need be no deeper than is required to provide the strength to sustain the load at any given...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006379
EISBN: 978-1-62708-192-4
... range and easy mobility in normal direction by a double-leaf spring system. Fig. 3 Principle of the double-lever spring system of the normal-force-measuring unit of the universal nanomechanical tester UNAT, providing high stiffness and force control for adhesion/indentation measurements...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006123
EISBN: 978-1-62708-175-7
... alloy that is particularly suited for the fabrication of furnace hardware, missile parts, nozzles, and fasteners. Although tantalum powder can be an intermediate, most tantalum alloys are melted. A Ta-7.5%W alloy, useful for springs, bellows, and leaf springs in severe corrosion environments such as dry...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005981
EISBN: 978-1-62708-168-9
... leaf springs, the leaves are designed with a low section modulus in the direction of loading. The allowable deflection is large and most of the cross section is highly stressed. A common practical definition of full hardening is 90% martensite. For component subjected to bending, depth of hardening...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003416
EISBN: 978-1-62708-195-5
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003409
EISBN: 978-1-62708-195-5
.... Extremes of sewage tanks to satellite solar array supports and truck leaf springs to Formula 1 engine air inlet trumpets and fuel injector tubes are examples. These diverse applications have had materials specifically tailored to provide extremes of performance. For instance aramid fibers...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... to core, except when the surface layers are specifically intended to be discarded. This might be the case for a heavy casting or forging. The failure analyst should remember that the composition at the surface may be of more interest than that of the bulk. For example, if a leaf spring has fractured...
Book Chapter

By Ted Kostilnik
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001235
EISBN: 978-1-62708-170-2
... Reversed bending Turned (a) 7075-T6 Reversed bending Turned (a) Carbon and low-alloy steels 5160 spring steel (c) Flat leaf, 38 mm (1.5 in.) wide, 4.88 mm (0.192 in.) thick Unidirectional bending Machined before heat treatment (d) 1045 steel (165 HB) Plain (R.R. Moore) Rotating...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002430
EISBN: 978-1-62708-194-8
... volumes known as the National Fire Codes. These are revised annually, and a set of loose-leaf binders are available under a subscription service that provides replacement pages for obsolete material. Three additional loose-leaf binders are available for recommended practices, manuals, and guides to good...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006253
EISBN: 978-1-62708-169-6
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001029
EISBN: 978-1-62708-161-0
... of all types, are usually hardened more nearly through the section. In automobile leaf springs, the leaves are designed with a low section modulus in the direction of loading. The allowable deflection is large, and most of the cross section is highly stressed. In general, hardening need be no deeper...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005673
EISBN: 978-1-62708-198-6
... test: Approximates the kind of loading to which shafts and wires are subjected and is the most commonly used Flexural fatigue test: Used to evaluate the behavior of sheet or strip. Most closely simulates the action of leaf springs, which are expected to flex without deforming or breaking...