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tool wear

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003187
EISBN: 978-1-62708-199-3
... demonstrates how the service life of cutting tools is determined by a number of wear processes, including tool wear, machining parameters, and tool force and power requirements. It concludes by presenting a comprehensive collection of formulas for turning, milling, drilling, and broaching, and its average unit...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
... Abstract Structural applications for advanced ceramics include mineral processing equipment, machine tools, wear components, heat exchangers, automotive products, aerospace components, and medical products. This article begins with an overview of the wear-resistant applications and the...
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
... of the friction, it is described as seizure or smearing of one of the bodies by the counterbody ( Ref 3 ). The main factors affecting the severity of adhesive wear as well as its mode or type include ( Ref 27 ): Components and tool design Applied load Contact area and degree of...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003976
EISBN: 978-1-62708-185-6
... failures in forging. Source: Ref 1 Fig. 3 Common failure mechanisms for forging dies. 1, abrasive wear; 2, thermal fatigue; 3, mechanical fatigue; 4, plastic deformation. Source: Ref 2 A wide range of materials are available to the designer of tools and dies. This...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005677
EISBN: 978-1-62708-198-6
... effective subgingival scaling and root planning in periodontal therapy. Cuttability is affected primarily by cutting forces, chip thickness ratios, chip form, and tool wear ( Ref 229 , Ref 230 , Ref 231 ). Edge quality may be evaluated by the angle between the two edge-forming contiguous surfaces, the...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
... Wear processes and relevant tribosystems Wear process Examples of relevant tribosystems Sliding wear Sliding bearings; cam and tappets; guides; seals; piston rings; disc-pad braking system; forming dies; cutting tools Fretting wear Riveted joints, bolted flanges, shrink fits, all in...
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
... of abrasive wear failures, it is not enough to have a broad-based knowledge of the mechanical situation found in the wear environment. A good background in metallurgy, ceramic science, or materials science is also necessary. In addition, access to investigative diagnostic tools is required for...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... costly and safety, reliability, and quality can be greatly reduced. Excessive wear from inlet and exhaust valves impacting their seating faces in automotive engines can lead to loss of cylinder pressure and ultimately engine failure. Failure of tools used for drilling rock and other media raises cost...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... applications, including agriculture machinery, fasteners, automotive clutch plates, tools and dies, and low-impact zones of ore crushers. The surface of carbon steel can be hardened by heat treatment and surface alloying for increased wear resistance ( Ref 41 ). Severe wear and minor corrosion condition...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... largely unoxidized and larger in particle size than that of ferrous materials. On the other hand, in hard materials such as a tool steel and chromium, the initial wear particles are very small, with much oxide present ( Ref 164 ). Little debris is present in an inert or protective atmosphere, although...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003202
EISBN: 978-1-62708-199-3
... Abstract All tool steels are heat treated to develop specific combinations of wear resistance, resistance to deformation or breaking under loads, and resistance to softening at elevated temperature. This article describes recommended heat treating practices, such as normalizing, annealing...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003188
EISBN: 978-1-62708-199-3
..., cermets, ceramics, cubic boron nitride, and polycrystalline diamond. It compares the toughness, and wear resistance for these cutting tool materials. Finally, the article explains the steps for selecting tool material grades for specific application. cemented carbides ceramics cermets cobalt-base...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003114
EISBN: 978-1-62708-199-3
... steels, and precision-cast tool steels. It describes the effects of surface treatments on the basic properties of tool steels, including hardness, resistance to wear, deformation, and toughness. The article provides information on fabrication characteristics of tool steels, including machinability...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001320
EISBN: 978-1-62708-170-2
... productivity of carbide, cermet, and ceramic cutting tool materials used in machining operations. The useful life of cutting tools may be limited by a variety of wear processes, such as crater wear, flank wear or abrasive wear, builtup edge, depth-of-cut notching, and thermal cracks. The article provides...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003104
EISBN: 978-1-62708-199-3
... Directly hardened high-alloy steels , such as D2 high-carbon, high-chromium tool steel (1.50% C, 12% Cr), that contain particles of free carbide Precipitation-hardening stainless steels (mainly for applications involving heat or corrosion, or both, as well as wear) Specialty steels produced by...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003148
EISBN: 978-1-62708-199-3
..., cemented carbides, magnetic materials, low-expansion alloys, and high-speed tool steels. cobalt cobalt alloys corrosion-resistant alloys high-temperature alloys mechanical properties mining special-purpose alloys superalloys uses of cobalt wear-resistant alloys COBALT is a tough silvery...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... material, which are discussed in the following sections along with examples. The tools available for failure analysis are then covered. Further, the article describes the categories of mode of failure: distortion or undesired deformation, fracture, corrosion, and wear. It provides information on the...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004035
EISBN: 978-1-62708-185-6
... Abstract The design of forging operations; consisting of dies, fixturing, and parts; requires a consistent and unambiguous method for representing critical dimensions and tolerances. This article presents a dimensioning process, based on tooling points and datum planes, with the potential to...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003162
EISBN: 978-1-62708-199-3
... encountered by mill hammers, digging tools, extrusion screws, cutting shears, parts of earth-moving equipment, ball mills, and crusher parts. It is also used to control the wear of unlubricated or poorly lubricated metal-to-metal sliding contacts such as control valves, undercarriage parts of tractors and...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004024
EISBN: 978-1-62708-185-6
... yields durable production steel inserts ( Table 8 ) that are 70% A6 tool steel and tungsten carbide, and 30% copper. The A6 tool steel material provides excellent wear resistance and low distortion, while the tungsten carbide ceramic material provides superior hardness and durability. The copper...