1-20 of 109 Search Results for

Galling

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500317
EISBN: 978-1-62708-317-1
...Abstract Abstract This chapter discusses the types of failures that can occur in sheet metal forming tools and explains how to mitigate their effects. It describes the factors that influence galling and wear and the benefits of special treatments and coatings. It provides information on through...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... droplet Fig. 4.5 Typical effect of solid content on slurry erosion Fig. 4.6 The mechanism of slurry erosion Fig. 4.25 Schematic of galling Fig. 4.26 Schematic of fretting corrosion; fretting wear starts the same but reaction product does not form Fig. 4.27...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... Threshold galling stress (TGS) of various stainless steel (SS) and other metal couples Table 9.2 Threshold galling stress (TGS) of various stainless steel (SS) and other metal couples Couple TGS, ksi COF 420 SS (52 HRC) self-mated <1 0.6 440C SS (58 HRC) self-mated 4 0.8 420 SS...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... 6.24 Konieczny A. , “Advanced High Strength Steels—Formability,” Great Designs in Steel Seminar 2003 , American Iron and Steel Institute , Feb 2003 , www.autosteel.org 6.25 Dalton G.M. and Schey J.A. , Effect of Bead Finish Orientation on Friction and Galling...
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
... wear on the shaft when rotating with no lubricant Fig. 5.23 Schematic of the use of the ASTM G98 galling test to determine threshold galling stress. Force is sequentially increased until galling occurs Fig. 5.1 Test specimens for ring versus cylinder wear testing Fig. 5.2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... of Mechanical Engineers, 1991, p 289 Modified ASTM G 98 galling test procedure (a) Test geometry codes: BOR, flat block pressed against the cylindrical surface of a rotating ring; FOF, flat surface sliding on another flat surface; IS, sliding down an inclined surface; POR, pin sliding against...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400089
EISBN: 978-1-62708-316-4
... through a roller element ( Fig. 7.6 ). This test is very useful to test stamping lubricants and tool materials/coatings by quantifying the amount of galling on the roller or the strip. Fig. 7.5 Various Tribotests used for evaluating stamping lubricants; Region 1, flange deformation; Region 2...
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.t59300163
EISBN: 978-1-62708-323-2
... is galling prone—its coefficient of friction (COF) versus stainless steel is compared with stainless steel self-mated in Fig. 6.2 . One of the most important applications of copper alloys is its use for pipe and tubing for water systems. Copper plumbing has been the gold standard in residential...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300199
EISBN: 978-1-62708-323-2
... Selected References • Budinski K. and Budinski M. , Engineering Materials: Properties and Selection , Englewood Cliffs, NJ : Pearson Education , 2011 • Merchant H. D. , Metal Transfer and Galling in Metallic Systems , Warrendale, PA : The Metallurgical Society , 1987...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
... against hard steel and well lubricated. Large bearings for lathes and the like are made from such copper alloys. For very high loads, as in aircraft landing gear, beryllium coppers such as ASTM International B194 alloy C17200 age hardened to 40 HRC are used lubricated against hard steel. If galling...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
... “a” is raised until weight “w” starts to slide down the plane. The tangent of the angle at which motion occurs “θ” is the breakaway of static coefficient of friction. Fig. 3.14 Galling in an ASTM G98 galling test Fig. 3.15 The trend for friction coefficient measured for many metal-to-metal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
... Total reduction, % No. of passes No. of coats Final condition Bare Molybdenum disulfide with grease ... 0 ... Galled Bare Soapy wax ... 0 ... Galled Degreasing bath Molybdenum disulfide with grease 85 8 2 Smooth Pickling bath Molybdenum disulfide with grease 94 17 7...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270175
EISBN: 978-1-62708-301-0
... plunger to plunger. In some locations, galling, pitting, and scoring were also seen. Similar damages were seen also in the cylinders. No blueing was seen either on the plunger body or in the cylinders. Scanning Electron Microscopy and EDAX Discussion Conclusion A SEM examination...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500211
EISBN: 978-1-62708-317-1
..., a start-stop operation is used. In this kind of operation, the roll-formed strip is stopped during the discontinuous operations. The roll forming machines are also often furnished with a lubrication system. Lubrication is essential to avoid wear, galling, or metal pickup and to remove the heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300335
EISBN: 978-1-62708-323-2
... resistance and thus increase the corrosion component of the erosion. For example, nitriding stainless steel plug valves solved a galling problem, but the treated surfaces were corroded by the process fluid; they were not corroded by the process fluid without the nitriding. Modifying a material to improve...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480207
EISBN: 978-1-62708-318-8
... extent), unalloyed and all-beta alloys are most amenable to cold deformation. Protective coatings are used on ingots and billets to lower surface contamination levels of hydrogen and oxygen and to help reduce the galling effect of the titanium on the forging die. Coatings are often proprietary...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120313
EISBN: 978-1-62708-269-3
... encountered from galling, smearing, and high temperatures generated at the cutting edge of the teeth have, however, largely been overcome. Heavier, more rugged machine designs (for example, the Marvel heavy-duty No. 6 or 9 machine), blades, and full recognition of the value of the proper coolant—sulfo...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740163
EISBN: 978-1-62708-308-9
... 2 3 4 Reduce wear and galling between tool and workpiece (chemical surface activity) 4 3 2 1 Flushing action to prevent buildup of scale and dirt (fluid flow) 5 4 3 2 Protect surface characteristics; nonstaining 5 2 2 1 Minimize processing costs, welding, cleaning...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310173
EISBN: 978-1-62708-286-0
... accompanied by a higher work hardening rate in austenitic stainless steels, which further distinguishes them from carbon steel. Galling also must be recognized as a danger and prevented. Stainless steel has lower thermal conductivity than carbon steels, which can cause it to retain heat from deformation...