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grease degradation

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
...Typical tabulation of properties for a commercially available grease Table 14.5 Typical tabulation of properties for a commercially available grease Property Value National Lubricating Grease Institute grade 2 Worked penetration, 60 strokes (ASTM International D271) 270...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
..., contamination, degradation, chemical contact Differential scanning calorimetry (DSC) Heat of fusion, melting point, glass transition temperature, heat capacity Material identification, level of crystallinity, aging/degradation, thermal history Thermogravimetric analysis (TGA) Weight loss over...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050293
EISBN: 978-1-62708-311-9
... or bus support of the coil is usually due to scale or oil contamination in the quench system. Better cleaning of the coil or scale removal from the quench system should be done. Another condition is arcing across the flux concentrator as it degrades. The coil should be repaired or replaced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480243
EISBN: 978-1-62708-318-8
... Typical lubricants for forming operations Table 11.6 Typical lubricants for forming operations Forming operation Forming temperature Lubricants used Stretch forming skins Cold Grease-oil combinations Wax-type lubricant Hot Colloidal graphite Stretch forming sections Cold Wax...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300001
EISBN: 978-1-62708-323-2
... of the degradation of engineering materials that can be attributed to wear, or more correctly, tribological losses. All things on planet Earth that eventually fail to perform their intended function do so by one of three failure mechanisms: Personal experiences in everyday life can attest to the cost...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... Equipment and materials Remarks SP1 Solvent cleaning … Mineral spirits, chlorinated solvents, coal tar solvents, using tack rags or dip tanks For the removal of grease, oil, or other soluble materials before removing mill scale, rust, and coatings by other methods. Alkaline cleaners saponify oils...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
... treatments, which result in hard or soft spots, quench cracks, or other flaws. The degree of degradation depends on the alloy and on process variables. Most metallurgical processes are based on the assumption that the metal being processed is of a nominal and reasonably uniform composition. A common...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... substance. There may be no mechanism differences, but tribologists tend to separate wear and erosion based upon assistance of a fluid. Erosion is a surface degradation process that involves the mechanical action of a fluid. Wear, on the other hand, does not by definition require mechanical action...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
... using the couple of interest and under conditions that closely simulate the tribosystem of interest. Tribology literature is rife with pin-on-disk studies of oils and greases. The polished balls used as riders in such studies certainly do not simulate the rough grind on a piston ring. The counterface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180091
EISBN: 978-1-62708-256-3
... Helsing during his search for the elusive Count Dracula. What do I mean when I say talk to everyone? For example, how would you discover the use of Teflon grease in the test areas of a shop? During testing of assembled hardware, parts do not always fit together or operate as well as they should, so...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730099
EISBN: 978-1-62708-283-9
...Abstract Abstract This chapter discusses the structural classifications, molecular configuration, degradation, properties, and uses of polymers. It describes thermoplastic and thermosetting polymers, degree of polymerization, branching, cross-linking, and copolymers. It also discusses glass...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... available alloys can be selected to provide protection from a wide range of environmental degradation mechanisms. During weld-overlay surfacing, the coating material is raised to its melting point and then solidified on the surface of the substrate, which means that metals and alloys used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310213
EISBN: 978-1-62708-286-0
... and grease marks Hydrocarbon solvent Alkaline formulations are also available with surfactant additions. Stubborn spots, stains, and light discoloration; water marking; light rust staining Mild, nonscratching creams and polishes. Apply with soft cloth or soft sponge; rinse off residues with clean water...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230459
EISBN: 978-1-62708-298-3
... of silicone greases. In the latter case, a solvent for silicone grease must be used prior to the alkaline treatment [ Mueller and Adolphson 1979 ]. Other sources of chlorine ions, in addition to tapwater, can be chlorinated solvents used to remove oils and greases. Plastic piping in the cleaning system...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280203
EISBN: 978-1-62708-267-9
... Bath Descaling Background Surface Finishes by Chemical (Electrochemical) Means Surface Finishes by Mechanical Means Comments Cleaning is required to remove contaminants from the surfaces of parts made of superalloys. Shop soils such as oil, grease, and cutting fluids can be removed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870235
EISBN: 978-1-62708-314-0
... to protect the aluminum adherends from corrosion. Surface preparation treatments first remove any grease or oil and then remove the existing oxide layer so that it can be replaced with an optimized oxide. Because crack propagation occurs as a result of hydration, bond durability can be improved...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... deformation processes, which result in wear of the sliding surfaces and their eventual degradation to the point where replacement of whole components becomes necessary. Wear of sliding surfaces adds another, very large component to the economic importance of friction, because without sliding friction...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290243
EISBN: 978-1-62708-306-5
... degradation. Most will absorb moisture and exhibit reduced strength and durability at elevated temperature. Some are degraded by chemicals such as paint strippers or other solvents. Despite numerous theories on the nature of adhesion during adhesive bonding, there is some general agreement about what...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
..., carbonates) are the most common bases of grease. A grease is a gel containing 5–20% of a lithium soap, which retains oil and additives. The lubrication comes from the oil and additives, but the lithium soap retains it. There are other bases for grease, but lithium has been the gold standard for decades...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780404
EISBN: 978-1-62708-281-5
.... Matsushige K. , Radcliff S.V. , and Baer E. , J. Mater. Sci. , Vol 10 , 1975 , p 833 10.1007/BF01163078 9. Schnabel W. , Polymer Degradation , Hanser International , 1981 10. Lochanski E.C. , Solvent-Induced Cracking Failure of Polycarbonate Ophthalmic Lenses...