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types of friction

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300013
EISBN: 978-1-62708-323-2
... Abstract This chapter reviews the types of friction that are of concern in tribological systems along with their associated causes and effects. It discusses some of the early discoveries that led to the development of friction laws and the understanding that friction is a system effect that can...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300163
EISBN: 978-1-62708-323-2
... Abstract This chapter covers the friction and wear behaviors of copper alloys. It describes the compositions and forms of copper available and their suitability for applications involving friction, different types of erosion, and adhesive and abrasive wear. alloy composition copper...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300179
EISBN: 978-1-62708-323-2
... Abstract This chapter covers the friction and wear behaviors of cast irons. It describes the microstructure and metallurgy of gray, white, malleable, and ductile cast irons, their respective tensile properties, and their suitability for applications involving friction, various types of erosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300301
EISBN: 978-1-62708-323-2
... Abstract This chapter covers the friction and wear behaviors of plastics and elastomers. It begins by describing the molecular differences between the two types of polymers and their typical uses. It then discusses the important attributes of engineering plastics and their suitability...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
... and lower friction Gas lubrication: Use of pressurized gases to separate and support contacting surfaces Grease lubrication: Use of a semisolid substance containing oil to separate surfaces and lower friction Fig. 14.1 Types of lubricants Each of these families of lubricants has...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... Abstract This chapter covers the tribological properties of stainless steel and other corrosion-resistant alloys. It describes the metallurgy and microstructure of the basic types of stainless steel and their suitability for friction and wear applications and in environments where...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500301
EISBN: 978-1-62708-317-1
... Abstract This chapter discusses the types of sensors used in sheet forming operations and the information they provide. It explains how force sensors protect equipment from overloads due to tool wear, friction, and misfeeds, how displacement and proximity sensors help to prevent die crashes...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300199
EISBN: 978-1-62708-323-2
... Abstract This chapter covers the friction and wear behaviors of carbon, alloy, and tool steels. It begins a review of commercially available shapes and forms. It then describes the metallurgy and microstructure of various designations and grades of each type of steel and explains how it affects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220519
EISBN: 978-1-62708-259-4
... and/or measurement techniques. It provides information on many types of engineering steel, including medium and high-carbon steels used in rail applications. It also examines the effect of nickel-phosphorus coatings on stainless steel and phosphate coatings used to reduce friction during thread rolling and other...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260001
EISBN: 978-1-62708-336-2
... or indirect Press capacity and size and shape of container Frictional effects at the die or both container and die Type, layout, and design of die The length of billet and type of alloy The temperature of the billet and container The extrusion ratio Die and tooling temperature Speed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300121
EISBN: 978-1-62708-323-2
.... Many critical machines have particle counting sensors in oil delivery lines to warn of system wear or oil contamination. These types of diagnostic systems solve many potential problems with friction and wear and need to be considered a solution to preventing or minimizing tribological problems...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
... is bolt head diameter. Equation 3.1 is a typical thread formula relating bolt parameters and friction (COFs) to determine the torque required to seat a bolt. Many bolt suppliers list COFs for various metal couples and lubricants. The bolt size, type, and the COF (from a table) are used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... coefficients. They are arranged by material type as follows: Table 1 : metals on metals Table 2 : ceramics on various materials Table 3 : polymers on various materials Table 4 : coatings on various materials Table 5 : miscellaneous materials Table 1 Friction coefficient data...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780259
EISBN: 978-1-62708-281-5
... of Friction of Plastic Solids” ( Ref 20 ), uses a variable-speed frictionometer to measure kinetic coefficients of friction. Three types of test specimens can be used: 20.0 ± 0.1 mm diameter rigid fixed specimens that weigh 5.0 ± 0.1 g, 100.0 ± 0.1 mm diameter rigid moving specimens, or film or sheeting...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
... do you identify tests that apply to a tribosystem? How do you determine friction limitations in a tribosystem? Can you name four types of possible contact motion? How do you determine contact stresses? How do you determine what type of lubrication is needed for a tribosystem? Can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780267
EISBN: 978-1-62708-281-5
... of interfacial wear arises from the popular two-term model of frictional energy dissipation ( Ref 2 ). This model states that in any frictional phenomenon, where frictional energy is released at the contact points between two sliding surfaces, there can be two types of energy dissipation—interfacial and bulk...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040067
EISBN: 978-1-62708-300-3
... – 200 . [Shen et al., 1992] Shen G. , Vedhanayagam A. , Kropp E. , Altan T. , “ A Method for Evaluation of Friction Using a Backward Extrusion Type Forging, ” J. Mater. Process. Technol. , Vol 33 , 1992 , p 109 – 123 . 10.1016/0924-0136(92)90314-I In forging...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300001
EISBN: 978-1-62708-323-2
... product (GNP) was the annual price of wear. The report also used the word tribology to describe the friction, wear, erosion, and lubricant study. This type of study has been repeated in many countries, and that is why all industrialized countries on the planet have significant technical efforts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400089
EISBN: 978-1-62708-316-4
... Fig. 7.17 Effect of furnace temperature on mean coefficient of friction, μ m , both under the dry condition and with a lubricant (Lub.), for two types of steel. Source: Ref 7.23 Fig. 7.16 Effect of die pressure on mean coefficient of friction, μ m . Source: Ref 7.23 Fig. 7.15...