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roughening

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Image
Published: 01 January 2005
Fig. 12 Lüders bands (roughened areas), which have propagated along the length of a specimen of annealed steel sheet that was tested in tension. Not polished, not etched. Actual size More
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005715
EISBN: 978-1-62708-171-9
... requirements, coating function, part geometry, substrate metallurgy, structure, and thermal history. This article provides a detailed account of the various processes of surface preparation, namely, cleaning, roughening, dry abrasive grit blasting, and machining and macro roughening processes. It outlines...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005725
EISBN: 978-1-62708-171-9
..., namely, cleaning, roughening, masking, and preheating. Information on the equipment and process variables of dry abrasive grit blasting are also provided. The article describes the roles of spray stream and the spray pattern for all thermal spray processes. It discusses the defects arising from poor...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003694
EISBN: 978-1-62708-182-5
... of visible contaminants, removal of invisible contaminants, and roughening of the surface. Solvent or chemical washing, steam cleaning, hand tool cleaning, power tool cleaning, water blasting, and abrasive blast cleaning, are some preparation methods discussed. The article describes the most common...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006491
EISBN: 978-1-62708-207-5
..., discussing surface roughening, anodizing, and immersion procedures along with expected results. aluminum plating electroless deposition plating electrolysis electroplating immersion plating plating metals strike layer METALLIC PLATING on aluminum alloys has a variety of applications...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006370
EISBN: 978-1-62708-192-4
...Abstract Abstract This article describes friction force as a function of normal force in dry forming. It focuses on metal forming operations usually classified as cold working and hot working based on metallurgical considerations. The article discusses surface flattening and roughening...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009000
EISBN: 978-1-62708-186-3
... an even higher interfacial friction at 25,000 than at 15,000 drawings. At 35,000 drawings, the surface galling is the most severe, and the sheet metal draw-in is less than at 25,000 drawings. This reveals that surface roughening is most severe at 35,000 drawings, where the resultant very high interfacial...
Image
Published: 01 June 2012
Fig. 12 High-powered micrograph of a highly porous surface coating representing a highly roughened version of the standard Porocoat. Courtesy of Depuy, Warsaw, IN More
Image
Published: 01 June 2012
Fig. 11 Tritanium is a highly porous material suitable for bone ingrowth. It is fabricated from titanium and has a highly roughened nanostructure. Courtesy of Stryker, Mahwah, NJ More
Image
Published: 01 January 2005
Fig. 5 Typical corrosion fatigue cracking of a copper alloy. Transgranular cracks originate at the base of corrosion pits on the roughened inner surface of a tube. Etched. Original magnification approximately 150× More
Image
Published: 01 June 2012
Fig. 9 High-powered micrographs showing the similarity to cancellous bone and the roughened nanotexturing. At bottom, a large bulk form of the porous metal Biofoam. Courtesy of Wright Medical Technology, Arlington, TN More
Image
Published: 01 January 1989
Fig. 16 Surface characteristics of Waspaloy (aged, 40 HRC) produced by ECM. (a) Gentle conditions produce a slight roughening of the surface and some intergranular attack. (b) Abusive conditions produce severe intergranular attack. (c) Microhardness is unaffected by the abusive conditions. Source More
Image
Published: 30 August 2021
Fig. 8 Surface characteristics of Waspaloy (aged, 40 HRC) produced during electrochemical machining. (a) Best-practice (gentle) conditions generate a slight roughening of the surface and some intergranular attack. (b) Abusive conditions generate severe intergranular attack. (c) Microhardness More
Image
Published: 01 January 2006
Fig. 3 Evolution of surface conditions on a draw die for a hot dip galvanized dual-phase 600 part of 1.4 mm (0.06 in.). (a) After ∼35,000 drawings. Chromium plated. (b) After ∼106,200 drawings. Thermal-diffusion (TD) VC treated. (c) and (d) Slightly roughened radii after ∼417,700 drawings. TD VC More
Image
Published: 01 January 1989
Fig. 17 Surface characteristics of 4340 steel (quenched and tempered, 30 HRC) produced by ECM. (a) Gentle conditions produce slight surface pitting but no other visible changes. (b) Abusive conditions produce surface roughening but no other visible effect on microstructure. (c) Gentle and abusive More
Image
Published: 01 January 1989
Fig. 18 Surface characteristics of 4340 steel (annealed, 31 to 36 HRC) produced by CM. (a) Gentle conditions produce no visible surface effects and a surface finish of 0.9 μm (35 μin.). (b) Abusive conditions produce a slight roughening and a surface finish of 3 μm (120 μin.). (c) Gentle More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009001
EISBN: 978-1-62708-186-3
... in.). (a) After ∼35,000 drawings. Chromium plated. (b) After ∼106,200 drawings. Thermal-diffusion (TD) VC treated. (c) and (d) Slightly roughened radii after ∼417,700 drawings. TD VC treated As shown in Fig. 3 , the draw die surface condition after thermal-diffusion (TD) VC treatment remained excellent...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006024
EISBN: 978-1-62708-172-6
... steel, surface preparation remains a key factor in achieving the desired service life of the applied system. The purpose of surface preparation is twofold: to clean the substrate and to roughen it. Sometimes the methods used to prepare surfaces for coating application meet these criteria simultaneously...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005740
EISBN: 978-1-62708-171-9
... is that thermal spray equipment specialized for thermal spraying of the controlled functional coating onto cylinder bores has been developed to the point of practical utilization. New technology for pretreatment, including grit blast (Rotablast), water jet, and a mechanical roughening process, also has been...
Book Chapter

By Jian Cao
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005166
EISBN: 978-1-62708-186-3
..., they experience surface roughening on the outer surface of the bend sample that is similar to the 6 xxx alloys ( Ref 2 ). Fig. 1 Example of an aluminum alloy fractured in a flat-hemming operation. Source: Ref 3 Fig. 2 Micrograph of the outer surface of an aluminum alloy 6111-T4 bend specimen...