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pneumatic pressure vessel

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Published: 01 January 2000
Fig. 3 Photograph of a pneumatic pressure vessel for a 75 mm (3 in.) Hopkinson bar test system More
Image
Published: 01 January 2000
Fig. 4 Schematic of a pneumatic pressure vessel for a 75 mm (3 in.) Hopkinson bar test system. t , thickness; D , diameter; OD, outside diameter More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003301
EISBN: 978-1-62708-176-4
... Abstract Triaxial Hopkinson techniques can be used to simultaneously subject a sample to axial and lateral compressions. The lateral compression may be applied through a pneumatic pressure vessel or dynamically using a special Hopkinson technique. This article reviews these two techniques...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006892
EISBN: 978-1-62708-392-8
...-assisted jetting. The parameters covered include nozzle size (nozzle inner diameter), pneumatic pressure, valve-opening time, and printing speed of microvalve jetting. Subsequently, the article discusses biomaterials for microvalve jetting in terms of biomaterial definition, required properties...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005352
EISBN: 978-1-62708-187-0
... interfering with production. In low-pressure casting, the furnace is not a closed pressure vessel. The temperature of the metal delivered by a pump is very close to that of the molten-metal bath, so superheating of the furnace is not required. Types of EM Pumps The types of EM molten-metal...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006893
EISBN: 978-1-62708-392-8
... a heated nozzle to deposit filaments of melted material onto a platform. Extrusion of the material is dependent on pneumatic pressure or can be driven by a motor-actuated plunger system. Selective layer-by-layer deposition allows for a buildup of the object from bottom to top while creating a 3D object...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005199
EISBN: 978-1-62708-187-0
... metallurgy, which includes melt refinement in argon oxygen decarburization (AOD) vessels and vacuum oxygen decarburization (VODC) in a converter vessel. It also discusses ladle metallurgy, which includes vacuum induction degassing, vacuum oxygen decarburization, and vacuum ladle degassing. basicity...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005196
EISBN: 978-1-62708-187-0
... inside of a 360° loop formed by the throat and channel portion of the molten metal vessel. It is the channel portion of the loop that serves as the secondary of the electrical circuit, in which the copper coil is the primary. Although both channel and coreless induction furnaces employ similar...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003198
EISBN: 978-1-62708-199-3
...£'eiri~°lindg°°r Vacuum vessels are evacuated by various types of pumping systems that depend, to a great ex- ' ' II tent, on the pressure range needed for processing. ]I, I 4~ I I ~, An adequate vacuum pumping system must attain , ,, ,~ I the specified pressure and must have sufficient capacity...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006034
EISBN: 978-1-62708-175-7
... be engaged and disengaged at any point in the pressing cycle. The clutch usually is pneumatically engaged with a spring release, and the brake is pneumatically released with a spring set, thereby providing full stopping ability in the event of loss of air pressure. An adjustable speed device normally...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004211
EISBN: 978-1-62708-184-9
..., fabrication, and inspection of pressure vessels, piping, and tanks are provided by codes that have been developed by industry and/or regulatory agencies in various countries, as shown by the listing in Table 3 (see also the “Appendix: Industry Standards” at the conclusion of this article). In the United...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006337
EISBN: 978-1-62708-179-5
... of pressure-actuated pouring furnaces and provides information on the effect of pouring magnesium-treated melts. cast iron melting channel induction furnace cokeless cupola cupola furnaces electric arc furnaces induction crucible furnace induction furnaces magnesium-treated melts plasma-fired...
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
... preparation. Fig. 1 Weld spatter (splatter) Fig. 2 Removal of weld spatter/splatter using grinding wheel Appendix C of NACE standard SP0178, “Standard Recommended Practice—Fabrication Details, Surface Finish Requirements, and Proper Design Considerations for Tanks and Vessels...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005197
EISBN: 978-1-62708-187-0
..., and control more cupola conditions. Today's (2008) melting operations are as highly computer controlled as any manufacturing operation. Virtually all control of the motors, valves, flow devices, dampers, and so on are computer controlled. All the various inputs of temperature, flow, pressures, status...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006310
EISBN: 978-1-62708-179-5
.... The chamber wall has holes that allow a restricted flow of iron into the chamber and the flow of magnesium vapor into the iron when the vessel is tilted to orient the chamber below the column of iron in the vessel. The process operates under atmospheric pressure inside a steel enclosure to manage any molten...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001007
EISBN: 978-1-62708-161-0
... and containing other elements, the next operation requires that these impurities (particularly phosphorus) be removed to the required degree. Integrated steel plants normally rely on pneumatically blown oxygen vessels to accomplish these reactions. In a typical BOF, high-velocity (supersonic) jets of pure oxygen...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006535
EISBN: 978-1-62708-207-5
... oxides may not be self-limiting. Transient elements characterized by low pressure and high reactivity are reduced as a function of time at temperature; magnesium, sodium, calcium, and strontium, upon which mechanical properties directly or indirectly rely, are examples of elements that display...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006297
EISBN: 978-1-62708-179-5
... is the application of supplementary compaction by a squeeze head forced into the flask. Thus, poor densities at the top of the mold can be improved. The required squeezing pressure can be pneumatic or hydraulic. Squeeze heads usually are one piece or of a compensating type. The latter consists of a number...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005955
EISBN: 978-1-62708-166-5
... of the vessel to reach a certain vacuum level dictated by the process requirements. A true vacuum is devoid of all molecules or matter—a condition that does not even exist in the deepest regions of outer space. The term vacuum used in the context of heat treating more correctly describes a partial pressure...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003425
EISBN: 978-1-62708-195-5
... kitting. Autoclaving Other than considerations for higher temperatures (340–430 °C, or 645–805 °F) and pressures (700–2100 kPa, or 100–305 psi), laid-to-shape TPs can be consolidated in an autoclave using thermoset cure methods. The autoclave serves as a heated pressure vessel where vacuum, heatup...