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mechanical cutting

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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
... mechanical-to-thermal energy conversion. Maximizing the cutting component and minimizing tribological interactions are often associated with minimum use of forces or energy. Coolants dissipate the thermal energy to minimize the heat dissipation through the work material, if it affects the integrity of the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003036
EISBN: 978-1-62708-200-6
... output of precision-cut plies Disadvantages include: Need to sort the plies for a part into kits and subsequently place them on the tool Greater scrap generation than in the lay-up of narrow tapes (but less than when mechanics cut material off the rolls without measuring) The cutting...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001228
EISBN: 978-1-62708-170-2
... Abstract Mechanical cleaning systems are used to remove contaminants of work surface by propelling abrasive materials through any of these three principal methods: airless centrifugal blast blade- or vane-type wheels; compressed air, direct-pressure dry blast nozzle systems; or compressed-air...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
... specimens to remove any damage. Any induced cracks or delaminations represent mechanical damage. This is discussed in the section “Planned Exposures” in this article. Unidirectional glass specimens cut in the transverse direction exhibit a 50% reduction in strength because of damage from cutting ( Ref 3...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006676
EISBN: 978-1-62708-213-6
... Abstract Dynamic mechanical analysis (DMA) is a powerful tool for studying the viscoelastic properties and behavior of a range of materials as a function of time, temperature, and frequency. This article describes various systems and equipment used in DMA setup and discusses the processes...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
... Abstract This article reviews the various types of mechanical testing methods, including hardness testing; tension testing; compression testing; dynamic fracture testing; fracture toughness testing; fatigue life testing; fatigue crack growth testing; and creep, stress-rupture, and stress...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... may use exemplar test bars fabricated at the same time. Raw materials specification for castings may require separately cast bars, “hang-on” bars, or bars cut from a section of the casting. Each test bar will produce mechanical properties that can be correlated to the actual casting based on...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006270
EISBN: 978-1-62708-169-6
... detailed discussion on the effects of heat treatment on the mechanical properties for three general classes of titanium alloys, namely, alpha and near-alpha titanium alloys, alpha-beta alloys, and beta alloys. alpha and near-alpha titanium alloys alpha-beta alloys fatigue crack propagation fatigue...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003025
EISBN: 978-1-62708-200-6
... Abstract Mechanical properties are often the most important properties in the design and selection of engineering plastics. Temperature, molecular structure, crystallinity, viscoelasticity, and effects of environment, fillers and reinforcements are considered as the basic factors affecting the...
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
...-cut notching, and thermal cracks ( Fig. 2 ). The origin of the various tool failure mechanisms is now well understood ( Ref 10 ). Fig. 2 Tool wear mechanisms. (a) Crater wear on a cemented carbide tool produced during the machining of plain carbon steel. (b) Abrasive wear on the flank face of a...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003042
EISBN: 978-1-62708-200-6
... narrow kerf that is as small as 0.1 mm (0.004 in.) when the focused beam is traversed over the surface of a sheet. This allows laser cutting to be accurate to ±0.05 mm (±0.002 in.), but cutting accuracy is primarily dependent on the motion mechanism. Equally important, the steep gradient in power density...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003179
EISBN: 978-1-62708-199-3
... cuts with a rolling, back-and-forth motion. Squaring shears can be actuated mechanically, hydraulically, or pneumatically. Fig. 2 Typical squaring shear Most shearing machines are rated according to the section size of low-carbon steel they can cut. The tensile strength of low-carbon...
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
... Abstract Selecting the proper cutting tool material for a specific machining application can provide substantial advantages, including increased productivity, improved quality, and reduced costs. This article begins with a description of the factors affecting the selection of a cutting tool...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003189
EISBN: 978-1-62708-199-3
... approximately 20 to 25 °C (70 to 75 °F). Cutting and grinding oils become contaminated rapidly during use. Extraneous materials, chips, dirt, etc., should be removed continuously or at periodic intervals by filters, strainers, centrifuges, or settling tanks. The mechanical edge-type filter, incorporating...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003187
EISBN: 978-1-62708-199-3
... that the basic mechanism of chip formation is shear deformation, which is controlled by work material properties such as yield strength, shear strength, friction behavior, hardness, and ductility. It describes various chip types, as well as the cutting parameters that influence chip formation. It also...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
... elastic fracture mechanics analysis, with some mention of elastic-plastic fracture mechanics analysis. The article describes the probabilistic aspects of fatigue and fracture. Information on crack-growth simulation of the material is also provided. crack-growth simulation elastic-plastic fracture...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004004
EISBN: 978-1-62708-185-6
... rolling, and knurling. Cold-heading machines vary in terms of the number of dies/stations, forging load, blank or wire size, blank cut-off length, speed, transfer mechanism, and special finishing capabilities, such as thread forming and knurling. Figure 8 shows a typical layout inside a six-die cold...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003213
EISBN: 978-1-62708-199-3
... Abstract Metal surfaces must often be cleaned before subsequent operations to remove unwanted substances such as pigmented drawing compounds, unpigmented oil and grease, chips and cutting fluids, polishing and buffing compounds, rust and scale, and miscellaneous contaminants. The article...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
... parameters affecting wear of ceramics, namely, hardness, thermal conductivity, fracture toughness, and corrosion resistance. The next part of the article addresses temperature-resistant applications of advanced ceramics. Specific applications of ceramic materials addressed include cutting tools, pump and...