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gas flame

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Image
Published: 30 April 2020
Fig. 7.19 Outline sketch of a batch binder-removal furnace, where the components rest inside a retort. The heaters are outside the retort, and gas flow is directed over the components to capture burnout vapors or to combust the vapors into a natural gas flame. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240395
EISBN: 978-1-62708-251-8
... coatings, and boronizing. surface hardening steel pack carburizing liquid carburizing gas carburizing vacuum carburizing plasma carburizing gas nitriding liquid nitriding carbonitriding hardfacing flame hardening induction hardening aluminizing siliconizing chromizing titanium carbide...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040010
EISBN: 978-1-62708-428-4
.... Figure 1 illustrates typical flame spray guns. Figure 1 Cross sections of typical flame spray guns. (a) Wire or rod (b) Powder Wire-Arc Spray The electric-arc (wire-arc) spray process differs from the other thermal spray processes in that no external source such as gas flame...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290079
EISBN: 978-1-62708-306-5
... is a manual process in which the metal surfaces to be joined are melted progressively by heat from a gas flame, with or without filler metal, and are caused to flow together and solidify without the application of pressure to the parts being joined. The most important source of heat for oxyfuel gas welding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250249
EISBN: 978-1-62708-345-4
... to a slow air cool, depending on the composition of the steel. Typical hardnesses obtained by quenching in air or water are given in Table 5 . Flame hardening involves the direct impingement of oxyfuel gas flames from suitably designed and positioned burners onto the surface area to be hardened...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320175
EISBN: 978-1-62708-347-8
... (±0.0004 in.). Flame hardening is a process similar to induction hardening for heating the surface layers of steel above the transformation temperature by means of a high-temperature flame and then quenching. In this process, the gas flames impinge directly on the tooth surface to be hardened. The rate...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350231
EISBN: 978-1-62708-315-7
... called poultice corrosion. detonation flame spraying. A thermal spraying process variation in which the controlled explosion of a mixture of fuel gas, oxygen, and powdered coating material is utilized to melt and propel the material to the workpiece. dezincification. Corrosion in which zinc...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200197
EISBN: 978-1-62708-354-6
... by sawing Fig. 15-5 Abrasive wheel cut-off machine After removal of the risers and gates, the contact areas are shaped to the casting contour by grinding, oxy-gas flame cutting, or most commonly by air carbon arc. Grinding equipment may include stand or swing grinders ( Figure 15-6...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850552
EISBN: 978-1-62708-260-0
... and Stephens). Use at 800-900°C, rotate sample periodically for about 5 min. Dissolve adherent glass with dilute acid (King). Heat sample slowly in gas flame to 425°C, then immerse in acid at 425°C for 1-2 min (Janowski and Conrad). 60 mL H2S04 30 mL H3PO4 10 mL HNO, 25 mL H2S04 70 mL H3P04 5 mL HNO, Use...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780159
EISBN: 978-1-62708-281-5
... of the flame ( Ref 6 ). Combustion begins when combustible gases ignite in the presence of sufficient oxygen or oxidizing agent. Ignition is affected by the temperature and composition of the gas mixture, and by several material characteristics: the flash-ignition temperature (the temperature at which...
Image
Published: 01 December 1999
by the relative radius of curvature. Steel Effective case depth, mm (in.) Through hardened (various) ... Flame hardened (PCS) ... Induction hardened (4340) 3.75(0.15) Gas nitrided and salt-bath nitrided 0.14(0.005) Sulphinuz treated 0.17(0.007) Gas nitrided (80 h) (3%Cr-Mo) 0.35 More
Image
Published: 01 March 2001
Fig. 2 Relative costs (based on pounds of alloy deposited) for various weld overlay and thermal spray processes. SAW, submerged arc welding; FCAW, flux-cored arc welding; GMAW, gas metal arc welding; SMAW, shielded metal arc welding; OAW, oxyacetylene gas welding; FLSP, flame spraying; PSP More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060429
EISBN: 978-1-62708-261-7
... a tension metal structures by localized heating with a test and the original cross-sectional area of gas flame. the specimen. flank wear. The loss of relief on the flank of the fracture toughness. A generic term for mea- tool behind the cutting edge due to rubbing sures of resistance to extension of a crack...
Image
Published: 01 August 2005
Fig. 3.17 Schematic cross section of a tube-to-plate joint designed such that braze flow will sweep gas and flux out of the joint gap. Formation of an external fillet provides evidence that some braze spreading and wetting has taken place. This design of joint also protects the braze preform More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440159
EISBN: 978-1-62708-262-4
...-temperature flame on the surface area to be hardened. The high-temperature flame is obtained by combustion of a mixture of a fuel gas with oxygen or air. Fuel gases commonly used are acetylene, methylacetylene propadiene (MAPP) gas, or propane. Fuel gas selection is based on the flame temperature desired...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290139
EISBN: 978-1-62708-319-5
... captures condensable species, while a natural gas burn-off flame combusts lower-molecular-weight vapor species. Cycles for such units are approximately 8 to 16 h. Peak temperatures are selected to ensure some insipient sintering for handling strength, usually over 600 °C (1110 °F). Fig. 7.19 Outline...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740271
EISBN: 978-1-62708-308-9
... the flame and rapidly quench the work to produce martensite on the surface. The surface is heated by a gas flame created by burning acetylene, propane, or natural gas. The relatively low thermal conductivity of steel enables the surface regions to be austenitized using high rates of energy input without...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350087
EISBN: 978-1-62708-315-7
... apparatus that automatically indexes, heats, and quenches parts. With improvements in gas-mixing equipment, infrared temperature measurement and control, and burner rig design, flame hardening has been accepted as a reliable heat treating process that is adaptable to general or localized surface hardening...