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thermodynamic adhesion

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260029
EISBN: 978-1-62708-336-2
... Abstract This chapter provides an overview of the thermodynamics of extrusion. It begins by presenting a thermodynamic model of the extrusion process expressed in the form of finite difference equations. It then explains how the model accounts for multiple sources of heat generation...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390039
EISBN: 978-1-62708-459-8
.... Correspondingly, adhesion can also range widely. The strength of an adhesive bond increases with decreasing interfacial energy. Therefore, thermodynamic calculations and wetting experiments serve as useful guides. More active metals (such as titanium) adhere more. Because the ceramics (such as SiC, Al 2...
Book Chapter

By L. L. Sparks
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860047
EISBN: 978-1-62708-348-5
... Abstract Specific heat is a fundamental property that relates the total heat per unit mass added to a system to the resultant temperature change of the system. This chapter begins with the definition and historical development of specific heat. Thermodynamic and solid state relationships...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.9781627084598
EISBN: 978-1-62708-459-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230105
EISBN: 978-1-62708-351-5
... of metal oxide by atmospheres is considered first. Chemical thermodynamics can be used to determine the propensity for a metal to spontaneously oxidize or, conversely for an oxide to disassociate. A measure of the strength of a metal-to-oxygen chemical bond is given by the change in the Gibbs free...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310057
EISBN: 978-1-62708-286-0
... the thermodynamic conditions and electrochemical nature of oxidation and providing information on transient oxidation. This is followed by a description of Wagner's theory for metal oxidation. The volatile nature of Cr 2 O 3 is then reviewed. The chapter further discusses the causes and preventive measures...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230001
EISBN: 978-1-62708-351-5
... as: Mechanical fastening Adhesive bonding Brazing and soldering Welding Solid state joining Other methods, such as glass/metal sealing, electrostatic welding, and so forth, are dealt with elsewhere [ Messler 1999 ; Nicholas 1998 ; O’Brien 1991 ; Bever 1986 ]. Schematics of these joining...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440001
EISBN: 978-1-62708-352-2
... Abstract Soldering and brazing represent one of several types of methods for joining solid materials. These methods may be classified as mechanical fastening, adhesive bonding, soldering and brazing, welding, and solid-state joining. This chapter summarizes the principal characteristics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.tm.t52320123
EISBN: 978-1-62708-357-7
... Abstract This chapter considers various behaviors of microstructural interfaces from a thermodynamics viewpoint. It discusses energy of surface and interface, the Gibbs-Thomson Effect, grain-boundary segregation, smooth and rough interfaces, and grain growth. gas molecules grain boundary...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260087
EISBN: 978-1-62708-336-2
... dies. A significant increase in die life can be achieved. Surface Hardening and Treatment The surface quality of extruded products depends on many factors. One of the most important is the wear mechanism on the bearing surface of the extrusion die. Adhesive wear is especially detrimental since...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.9781627083515
EISBN: 978-1-62708-351-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230221
EISBN: 978-1-62708-351-5
... be easily deduced but requires detailed knowledge of chemical thermodynamics. For example, the ability to successfully braze silicon nitride depends critically on whether the ceramic surface is virgin nitride or is oxidized. Nonoxide ceramics such as silicon nitride, silicon carbide and aluminum nitride can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.9781627083522
EISBN: 978-1-62708-352-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780249
EISBN: 978-1-62708-281-5
... a thermodynamic point of view ( Ref 12 ), part of the mechanical work done during cyclic loading is spent on irreversible molecular processes ( Ref 13 ), leading to microscopic deformations such as crazes, shear bands, voids, and microcracks. The other part of the mechanical work evolves as heat. Both processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... of the oxidation process, and the thermodynamics and kinetics of the process are not covered in any detail in this chapter. For more extensive information, the reader is referred to the references in Appendix C . The principal oxides that might form in a superalloy are those related to the basis metals...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030005
EISBN: 978-1-62708-282-2
... corrosion attack. Some of the atmospheric parameters and their effects on the corrosion of several metals are then reviewed. The following sections provide information on air chemistry, principal pollutants inducing corrosion, thermodynamics as well as models for prediction of atmospheric corrosion, and use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910497
EISBN: 978-1-62708-250-1
... films resulting from local loss of adhesion and lifting of the film from an underlying paint film (intercoat blistering) or the base substrate. blushing. Whitening and loss of gloss of a usually organic coating caused by moisture. Also called blooming. brackish water. (1) Water having salinity values...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.9781627082501
EISBN: 978-1-62708-250-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
..., powerful tool for separating complex adhesives ( Ref 33 – 34 ), neat resins ( Ref 35 – 42 ), printed circuit board materials ( Ref 43 ), curing agents ( Ref 44 ), and advanced composite resin systems ( Ref 1 , 17 , 45 – 48 ) into their individual components. Therefore, this analytical method is ideally...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780314
EISBN: 978-1-62708-281-5
... to diminish the amount (and the effect) of water absorption. Water absorption may be viewed as an osmotic phenomenon; that is, the amount of water absorption is governed by the thermodynamic activity of water either in solution or in the vapor phase ( Ref 1 – 3 ). Examples of this behavior are given in Fig...