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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... modes of adhesive wear including scoring, scuffing, seizure, and galling, and describes the processes involved in classic laboratory-type and standardized tests for the evaluation of adhesive wear. It includes information on standardized galling tests, twist compression, slider-on-flat-surface, load...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004005
EISBN: 978-1-62708-185-6
... and polymer lubricants. The article describes several procedures for extruding specific steel parts such as tubular parts and stepped shafts. It lists problems such as tool breakage and galling or scoring of tools and explains cold extrusion of aluminum, copper, and nickel alloy parts. The article...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005341
EISBN: 978-1-62708-187-0
.... 5 compares a PCRT score to the breaking strength of flawed powder metal parts in a laboratory breaking test. Note the nearly perfect correlation. Fig. 5 Pattern recognition score versus yield force for powder metal clamp flanges PCRT is used most effectively on production parts that...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005656
EISBN: 978-1-62708-198-6
... but one knee achieved stable fixation. At three- and four-year followup, no knees demonstrated radiographic evidence of progressive radiolucencies or component migration. Further, postoperative knee scores improved considerably from preoperative scores. In terms of assessment of bone ingrowth...
Book Chapter

By Peter J. Blau
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003242
EISBN: 978-1-62708-199-3
... reasonably similar features. Figure 1 shows an approach to wear classification; here, wear is classified by the type of relative motion. Note that galling, scratching, scoring, and damage from the impact of a foreign body are not strictly forms of wear because material is not necessarily removed (it may...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006050
EISBN: 978-1-62708-172-6
... between coatings and the buildings they are designed to protect. Emphasis is placed on masonry walls because a very large section of the commercial construction industry consists of basic enclosures using CMUs, whether scored, smooth-faced, split-faced ( Fig. 2 , 3 ), or fluted. Fig. 2 Scored block...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... features apparent to the eye directly or by using low-power magnification. Of interest are scores, scuffing, dents, distortions, evidence of plastic deformation, cracks, and fractures. For example, documentation of damage and cracking surrounding a fracture, including damage patterns and crack origins, is...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009006
EISBN: 978-1-62708-185-6
... widely used format for extrusion-limit diagrams ( Ref 33 and Ref 34 ). The maximum extrusion speed, V max , is to be found at the intersection of two curves. The scored area under the two curves is the practical process regime, with maximum productivity associated, in principle, with the highest...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003987
EISBN: 978-1-62708-185-6
... punch body and pilot in the tooling setup illustrated in Table 2 might be made of H12, at 49 to 52 HRC—a compromise between lower hardnesses that result in scoring deterioration and higher hardnesses that lead to failure by splitting. Scoring of the pilot part of the punch is best prevented by hard...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003167
EISBN: 978-1-62708-199-3
... foreign particles and thus prevent them from scoring and wearing shaft and bearing surfaces Load capacity: the maximum unit pressure under which a material can operate without excessive friction, wear, and fatigue damage Fatigue strength: the ability of a material to function under cyclic...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001236
EISBN: 978-1-62708-170-2
... important in most applications, the spacing of the roughness peaks can be equally important. Particularly in the manufacture and use of sheet steel, surface texture control is necessary to obtain consistent lubrication when forming the sheet, avoid scoring, and prevent the texture from showing through the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003180
EISBN: 978-1-62708-199-3
... are not used with stainless steel, because they result in “ironing” or squeezing of the metal between the male and female dies. The austenitic stainless steels are not suited to ironing, because their high rate of work hardening promotes scoring and rapid wear of the dies. Also, any substantial...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006438
EISBN: 978-1-62708-190-0
... specimens in order to achieve an acceptable POD and PFA score. A high rigor qualification requires a technical justification report plus a successful performance demonstration on blind samples. The procedure qualification technical justification may be accomplished by demonstration of performance on...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004014
EISBN: 978-1-62708-185-6
... forming process ( Fig. 3 ). The three rolls, which are positioned 120° from one another, move in unison. They are driven by hydraulic force and rotate at the same speed as the mandrel so that when they initially contact the preform they are moving at the same speed so as not to score or gall the preform...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005259
EISBN: 978-1-62708-187-0
... cycle time, and permissible rebores. Stripping time should be as long as possible to permit the casting to shrink away from the mold, particularly if the casting diameter is less than 150 to 200 mm (6 to 8 in.). With this precaution, the casting, with burrs, will not score the graphite mold...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000610
EISBN: 978-1-62708-181-8
... bending forces during patient mobility. Fig. 676 and 677 : Recovered portion of failed screw and on unused screw. Fig. 678 (bottom left): Scored surface of thread root near where fracture occurred. SEM, 78×. Fig. 679 : Close-up of gouge on thread root surface in Fig. 678 . Note fissure that...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006449
EISBN: 978-1-62708-190-0
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... is usually referred to as galling, and it can occur after just a few cycles of movement between the mating surfaces. The terms scuffing and scoring are also used to describe similar surface damage under lubricated conditions. Scuffing is the preferred term when the damage occurs at lubricated...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.9781627081863
EISBN: 978-1-62708-186-3
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005652
EISBN: 978-1-62708-198-6
... recommended such screening ( Ref 42 ). Five out of the 24 patients who showed a metal sensitivity actually experienced reaction to the metal ions after surgery. The remaining 19 patients, with equivalent scores in the sensitivity testing, did not exhibit a response after surgery. Hypersensitive responses to...