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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440055
EISBN: 978-1-62708-262-4
... these conditions, the amount of original air remaining in the work chamber is approximately 0.1%. This degree of vacuum can normally be obtained by “pumping down” with a mechanical pump. There are, however, some heat treating operations involving highly alloyed materials that require a “harder” vacuum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400005
EISBN: 978-1-62708-316-4
... design and capabilities Force/energy capacity Rigidity and accuracy Flexibility Product Geometry Dimensional accuracy/tolerances Surface finish Microstructure, metallurgical, and mechanical properties Environment Available manpower Air, noise...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220077
EISBN: 978-1-62708-341-6
... ducts. Thus, the heat normally lost is recovered and used to warm the plant air. Approximately 95% of the waste heat can be recovered in this manner. Fig. 5.4 Vapor-cooled heat-exchanger system equipped with a recuperator that returns waste heat to the plant air-circulation system Source: Water...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460107
EISBN: 978-1-62708-285-3
... nitrogen or helium is that they are asphyxiants, able to displace the normal oxygen levels in air under certain conditions. Because they are odorless, tasteless, colorless, and nonirritating, there are no warning properties. An oxygen-deficient atmosphere can cause dizziness, unconsciousness, and death...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030292
EISBN: 978-1-62708-282-2
..., metal surfaces covered with (oftentimes, sulfur-containing) corrosion products will be exposed to air and moisture. This can lead to pitting and other forms of localized corrosion and stress-corrosion cracking unless preventive measures are implemented. When equipment is washed with water during...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040007
EISBN: 978-1-62708-300-3
...) Equipment Speed/production rate Binder design and capabilities Force/energy capabilities Rigidity and accuracy Product Geometry Dimensional accuracy/tolerances Surface finish Microstructure, metallurgical and mechani- cal properties Environment Available manpower Air, noise...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200197
EISBN: 978-1-62708-354-6
... treatment, and processing steps such as torch cutting, air carbon-arc metal removal, or grinding. Various types of equipment are employed for blast cleaning of steel castings, all of which utilize some means of exposing the surfaces of the casting to a stream of abrasives. Small castings, and those up...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230513
EISBN: 978-1-62708-298-3
... at or above 0.2 μg/m 3 as an 8 h time-weighted average (TWA) Work control procedure including hazard analysis and controls. Respiratory protection and personnel protective equipment (PPE) Personal air monitor Worker entry log Beryllium-controlled area Surface contamination at or above 0.2 μg...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280135
EISBN: 978-1-62708-267-9
... treat at 2250 °F (1232 °C) for 1 h, air cool or faster Heat at 1975 °F (1080 °C) for 2 h, air cool or faster Heat at 1600 °F (871 °C) for 12 h, cool to room temperature The preceding heat treatment is, therefore, what might be applied (by a person who receives an unprocessed metal casting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930179
EISBN: 978-1-62708-359-1
... 1 4 300–400 7.9 5 16 325–425 9.5 3 8 350–450 13 1 2 500–600 (a) Flat Fig. 1 Use of air-carbon arc cutting to produce a groove in a plate. Electrode holder is equipped with a jet of compressed air in line...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040115
EISBN: 978-1-62708-300-3
... employ a water-oil emulsion as the working medium and use nitrogen, steam, or air-loaded accumulators to keep the medium under pressure ( Fig. 11.1a ). The sequence of operations is essentially similar to that for the direct-driven press except that the pressure is built up by means of the pressurized...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410001
EISBN: 978-1-62708-280-8
... equipment (pipes, fittings, pumps, valves) The automotive sector has seen steady growth, sustained by the increase in number of vehicles produced globally and the expected growth of electric vehicles. Household appliances, refrigeration, and air-conditioning have experienced a spurt in demand...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250249
EISBN: 978-1-62708-345-4
... (Compressive) Stress Levels Distortion Materials Applications Flame Hardening Quenching Applicable Materials Equipment Gases Three basic gases are used for flame hardening: acetylene, MAPP (methylacetylene propadiene), and propane. These gases are each mixed with air in particular...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460173
EISBN: 978-1-62708-285-3
... with the melt (e.g., air, nitrogen, argon, or helium) can be used for this disintegration. However, because of its relatively low price, nitrogen is the most common gas used for manufacturing of powders if low oxygen content is required. An atomizing unit can be divided into three basic parts: a vacuum...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
... to repetitive heating and cooling cycles, in which scale, a layer of oxidation products, forms because of exposure at high temperature to an oxidizing atmosphere, usually air. The scale flakes off when the metal cools because of differences in thermal expansion and contraction characteristics of the scale...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440085
EISBN: 978-1-62708-262-4
... air or an oxidizer to the furnace. Carbon-concentration reproducibility of ±0.02% is frequently achieved using systems of this type, provided the cycle, temperature, and furnace conditions remain constant. Endothermic generators also can be controlled by use of the oxygen probe. In this case...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980323
EISBN: 978-1-62708-342-3
.... 6.5 ). This ensures that the upsetting of the billet takes place under optimal conditions because of the equal clearance on all sides to the container bore. Air inclusions are less critical, and transverse forces, even if acceptable to a small degree, are avoided during upsetting. Fig. 6.5...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480207
EISBN: 978-1-62708-318-8
... is annealed, thoroughly cleaned, and left in coil form. After rolling, larger bar sizes are annealed, straightened, descaled, and surface conditioned. Air cooling from the lower annealing temperatures (700 to 730 °C, or 1300 to 1350 °F) is common practice. Square and rectangular bars can be furnished...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780035
EISBN: 978-1-62708-268-6
... not be destroyed in flight by a self-destruct signal. Test missiles can be destroyed in flight, but operational missiles carrying nuclear payloads cannot be destroyed after launch. The Air Force weapon systems planners had a concern that potential enemies would be able to find these signals and command...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
... working operations may be involved. Also, additional inclusions may develop in the billet or in subsequent forging stages. Most nonmetallic inclusions originate during solidification from the initial melting operation. If no further consumable remelting cycles follow, as in air melted or vacuum...