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Book Chapter

By Glenn E. Storck
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002156
EISBN: 978-1-62708-188-7
... several factors that determine the characteristics of the AJM process. These include flow rates of the jet stream, type and size of abrasive powders, and distance between the workpiece and nozzle. abrasive jet machining abrasive powders high-velocity gas stream jet stream ABRASIVE JET...
Book Chapter

By David Lee
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005734
EISBN: 978-1-62708-171-9
... Abstract The use of thermal spray coatings to restore worn surfaces has provided a significant improvement in surface performance due to improved wear resistance. This article discusses the general use of thermal spray coatings in reducing predominant types of wear, namely, abrasive wear...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003194
EISBN: 978-1-62708-199-3
... (powders must be sized closely and free of silica. Quantity used: 10 to 20 g/min nonrecirculating for cutting—3 to 5 g/min for fine work such as resistor trimming Abrasive carrier or medium: Air, CO 2 , nitrogen at 30 to 120 psi with nozzle to provide velocities 500 to 1000 ft/s quantity of gas used...
Book Chapter

By Thomas F. Murphy
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006116
EISBN: 978-1-62708-175-7
... on carefully prepared planar (two-dimensional) surfaces. This article discusses the preparation sequence of ferrous powders, which is normally separated into several well-defined steps: sample selection, sectioning, mounting, grinding, polishing, drying, and chemical etching and/or coating. It provides several...
Book Chapter

By J. Alan Kehr
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006007
EISBN: 978-1-62708-172-6
... The application steps include: Inspect incoming pipe Prepare surface (abrasive blast cleaning, and may include acid wash or other treatment) Heat Apply powder Cure Cool Inspect coating Repair Inspection This step is primarily visual, looking for dents, out-of-roundness, steel...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006570
EISBN: 978-1-62708-290-7
... μm amplitude provided the dynamic action for the polishing abrasives. The process removed partially welded powder particles on the surface within ten minutes; longer processing time (up to 30 minutes) did not further improve the surface finish. Surface finish of AM Inconel 625 was reduced from 8...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001106
EISBN: 978-1-62708-162-7
... in grinding wheels and hones, and as bonded abrasives in single-point applications such as turning tools, dressers, and scribes. Loose Abrasive Grains Lapping and polishing constitute two major applications of both natural and synthetic loose abrasive grains. Of the synthetic abrasive powders, alumina...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005712
EISBN: 978-1-62708-171-9
... powders. Current commercial MMCs have been designed to provide wear resistance. However, the adoption of hydrotransport processing of the oil sands requires the overlays to also be both corrosion and abrasion resistant. When exposed to a simulated service environment, the nickel-base matrix alloys...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001232
EISBN: 978-1-62708-170-2
... Conventional abrasives Superabrasives Powders slurries, and compounds Bonded Coated/ impregnated Plastics Low Low Low None Composites Low High High Low Metals High High High High Steel High High High High Glass Low High High High Carbides High Low High High...
Book Chapter

By Bo Hu
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006100
EISBN: 978-1-62708-175-7
...., to fill available space and maintain a high degree of thermal resistance) and to assist the friction performance of lubricants and abrasives. Typical fillers include barytes, mica, kaolin, limestone, coal, and petroleum coke. Sintered metallic friction materials produced by powder metallurgy (PM...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003152
EISBN: 978-1-62708-199-3
... steel-bonded TiCs used for forming tools and other wear components have achieved commercial success for nonmachining applications. Manufacture of Cemented Carbides All cemented carbide components are manufactured by powder metallurgy (P/M) processing. As described below, the important steps...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009073
EISBN: 978-1-62708-177-1
... part of the deagglomerated alumina suspension with 10 parts distilled water by volume. Dry alumina powder should never be applied to the cloth. This can destroy the cloth and possibly the sample as well. It should be noted that although diamond abrasives can also be used effectively...
Book Chapter

By Xiaohui Wang
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006418
EISBN: 978-1-62708-192-4
... Processes , Surface and Coatings Technology. , Vol 218 , 2013 , p 127 – 136 10.1016/j.surfcoat.2012.12.041 • Wirojanupatump S. , Shipway P.H. , and McCartney D.G. , The Influence of HVOF Powder Feedstock Characteristics on the Abrasive Wear Behaviour of Cr x C y -NiCr Coatings...
Book Chapter

By A.T. Santhanam, P. Tierney, J.L. Hunt
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001104
EISBN: 978-1-62708-162-7
.... Almost 50% of the total production of cemented carbides is used for nonmetal cutting applications. Their properties also make them appropriate materials for structural components, including plungers, boring bars, powder compacting dies and punches, high-pressure dies and punches, and pulverizing hammers...
Book Chapter

Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003786
EISBN: 978-1-62708-177-1
... (a) Polished on a 4 to 6 μm grade of diamond abrasive. (b) Wood flour. (c) Added as 600-mesh abrasive powder to the polymer-hardener mixture before polymerization commenced. (d) Probably silica. (e) Probably mica and glass. Source: Ref 3 An important feature to note...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006364
EISBN: 978-1-62708-192-4
... Abstract This article provides a brief introduction to abrasive wear-resistant coating materials that contain a large amount of hard phases, such as borides, carbides, or carboborides. It describes some of the commonly used methods of producing thick wear-resistant coatings. The article also...
Book Chapter

By G. Fisher, T. Wolfe
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006391
EISBN: 978-1-62708-192-4
... original dimensions as a repair procedure. The wear conditions that the components could be exposed to include abrasion, impact, adhesion, and erosion ( Ref 1 ): Abrasion occurs when two surfaces are in contact with each other by sliding. A series of grooves is formed in the softer material due...
Book Chapter

By Herbert Herman, Robert A. Sulit
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001462
EISBN: 978-1-62708-173-3
... on accelerated laboratory tests and service applications through 1992. In a marine environment, powder TSC with higher aluminum content exhibits improved corrosion resistance ( Ref 2 ). Where resistance to wear, abrasion, or both, is required in addition to corrosion protection, 90/10-MMC TSCs should...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006492
EISBN: 978-1-62708-207-5
... abrasive blast cleaning with a fine abrasive or mechanical abrasion to achieve a uniform and dense anchor profile of 25 to 75 μm (1 to 3 mils) on the substrate surface is recommended by paint manufacturers as an alternative to chemical pretreatment to increase adhesion of the coating to the substrate...
Book Chapter

Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006417
EISBN: 978-1-62708-192-4
... materials that make them suitable for particular applications. The article concludes by providing information on abrasive wear and grindability of powder metallurgy steels. tool steel high-speed tool steel water-hardening tool steel shock-resisting tool steel cold-work tool steel hot-work tool...