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tribosystem

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Published: 30 April 2021
Fig. 15.5 Tribosystem schematic showing the origin of the wear problem More
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
... This book has presented summaries on what is generally (and not so generally) known about the response of various engineering material systems to application in tribosystems. It was emphasized that a material or couple does not have a coefficient of friction (COF); it is a system effect. However, people...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300001
EISBN: 978-1-62708-323-2
... Abstract This chapter provides information on the biennial International Wear of Materials Conference, which is the inspiration for this book. It reviews the fundamentals of tribology, tribosystems, and related terminology. The glossary at the end of this chapter is intended to familiarize...
Image
Published: 30 April 2021
Fig. 11.8 Ranges of coefficient of friction for plastic versus steel tribosystems (from various plastics manufacturers’ catalogs). PTFE, polytetrafluoroethylene More
Image
Published: 30 April 2021
Fig. 2.2 Types of tribosystems where friction can be a limiting factor More
Image
Published: 30 April 2021
Fig. 2.12 Stribeck curve showing how lubricated tribosystems can have system coefficient of friction (COF) vary with viscosity and operating conditions More
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300013
EISBN: 978-1-62708-323-2
..., load, and operating environment. It also covers rolling contact and fluid friction and the effect of lubrication. friction laws types of friction 2.1 Historical Development of Concept Friction was defined in Chapter 1, “Tribology, Tribosystems, and Related Terminology,” in this book...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300445
EISBN: 978-1-62708-323-2
... Abstract This appendix contains symbols for some common elements applicable to tribosystems. symbols tribosystems Table A.1 lists common elements and symbols that are relevant to tribomaterials and tribosystems. Common elements and their symbols Table A.1 Common elements...
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
... tests in use and common approaches for adhesive wear and abrasion testing. abrasion wear testing adhesive wear adhesive wear testing erosion testing tribotesting 5.1 The Need for Tribotesting Most devices and machines of all types contain tribosystems that can fail and make the machine...
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
... significantly lower than that of sliding bearings. Needless to say, the error was a costly mistake. Fig. 3.1 Example of a large, 3 m (10 ft.) diam. complex machine with many tribosystems, each station molds a plastic part. Friction was a limiting factor in its operation. There are some machines...
Image
Published: 30 April 2021
Fig. 3.1 Example of a large, 3 m (10 ft.) diam. complex machine with many tribosystems, each station molds a plastic part. Friction was a limiting factor in its operation. More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300363
EISBN: 978-1-62708-323-2
... biocompatibility biotribology tribocorrosion 13.1 Introduction The human body is a tribosystem; there are many internal rubbing surfaces, such as blood always flowing in veins (a liquid erosion system) to the parts that rub as each breath expands the lungs, and of course, there are many external rubbing...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300301
EISBN: 978-1-62708-323-2
... of a tribosystem. A similar definition applies to elastomers and composites. This chapter deals with the polymeric materials that are widely accepted as plastics, the composite materials that are often included in plastics, and the rubbers and elastomers that are generally termed to be rubbers. All...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300335
EISBN: 978-1-62708-323-2
... surface hardening 12.1 When to Use Material Modifications When a material does not meet service expectations in a tribosystem, there are two choices: try a different material, or alter the wear surface to improve its tribological performance. Changing the underperforming material or materials can...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... environments involve relative motion in contact with each other, that is, tribosystems in a corrosive environment, called tribocorrosion. Mostly, the field of tribocorrosion uses potentiodynamic polarization techniques to study surface reactions in real time. In the case of stainless steels, the polarization...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300199
EISBN: 978-1-62708-323-2
... of wear and erosion. The objective is to help the reader select steels for various tribological applications. This chapter will comment on each family of steels and how each group of steels accommodates application in tribosystems. There is another important group of steels—stainless steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300163
EISBN: 978-1-62708-323-2
..., 97Cu-3Si ASTM B98, C65500 Copper/nickel alloy, 77Cu-20Ni-1Fe-1Zn-1Mn C71000 Copper/nickel/zinc alloy, 47Cu-10Ni-2Pb-2Mn-29Zn C79800 6.5 Friction Friction is the product of a tribosystem—a material couple sliding under specific conditions. Unlubricated pure copper tends to transfer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350001
EISBN: 978-1-62708-315-7
... and corrosion performance of these coatings are described in Chapter 6 in this book. Methods to Control Wear As is described in Chapter 3 in this book, there are many types of wear, but there are only four main types of wear systems ( tribosystems ) that produce wear and six basic wear control steps...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
... Extreme pressure Proprietary Emulsifiers Proprietary Some equipment manufacturers have gone a step further and specify the use of their brand oil: “Use only Dexos 5W-20 oil.” This ensures that a certain viscosity base oil with certain additives is used in that tribosystem. Thus, oil users do...