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depressurization rate

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Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006074
EISBN: 978-1-62708-175-7
.... It provides a discussion on process parameters, such as dwell time, depressurization rate, evaluation of green strength and density, and thermal processing, and illustrates a process flowchart for the production of CIP parts. Reference Reference 1. German R.M. , Particle Packing...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003516
EISBN: 978-1-62708-180-1
... allowing the cement to leak. The compressors were switched off, and gate valves were opened to reduce pressure. To increase the depressurization rate, several hatch covers were opened. These were opened by the workers kicking the locking cams or “dogs” with their feet. As a particular worker kicked...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006035
EISBN: 978-1-62708-172-6
... places extreme stress on all coating systems within the reactor containment. Coated steel and concrete surfaces are exposed to extremes of temperatures and rapidly fluctuating pressures including nearly explosive depressurization, steam, and water immersion. Coating systems that have been improperly...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003014
EISBN: 978-1-62708-200-6
... to promote cure, crystalline growth T, Curing reaction may produce peak exotherm leading to degradation Blowing agents Table 3 Blowing agents Gas released Chemical Clamp time necessary, s Gas permeability rate (a) Quantity of gas generated, cm 3 /g Nitrogen Azodicarbonamide...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005758
EISBN: 978-1-62708-171-9
... Safety Hazards Natural Gas Characteristics Natural Gas Safety Hazards Process gas supply installations use a variety of configurations and technologies, depending on the type of gas, purity requirements, usage volume, delivery rate, and supplier capabilities. The gas supplier must be relied...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006026
EISBN: 978-1-62708-172-6
... is applied and removed from the X-cut ( Fig. 7 ). The amount of coating detachment is rated on a scale ranging from 5A (no detachment) to 0A (removal of coating beyond the area of the X-cut). Test method B is used to assess the adhesion of coatings up to 0.13 mm (5 mils) thick. A cross cut is made through...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005261
EISBN: 978-1-62708-187-0
... of the low-pressure process and as such has similar casting yields of 85 to 95%. Production rates for this process are dependent on casting size, complexity, and weight but typically range between 100,000 and 600,000 castings per year. Casting weights produced by VRC/PRC typically range between 3 and 25 kg...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006552
EISBN: 978-1-62708-290-7
.... All pressure vessels are designed and dimensioned to be able to withstand the forces from the internal pressure for a large number of HIP cycles. Most HIP units are designed and rated for pressures between 40 and 207 MPa (6 and 30 ksi), with a few exceptions for higher-pressure HIP units. A HIP...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006042
EISBN: 978-1-62708-175-7
... of inert gas atomization as a method to produce metal powders enabled the production of highly alloyed tool-steel and superalloy powders. Due to the rapid solidification rates inherent in the atomization process, this technique avoided the segregation issues common to alloys in the as-cast state. The near...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003694
EISBN: 978-1-62708-182-5
... outlet valve to close, at which time blasting begins. Should the operator want to stop the operation, releasing hold on the deadman valve closes the air inlet valve, shutting off any incoming air from the compressor to the machine and instantly opening the bleed-off or depressurizing valve. Consider...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005926
EISBN: 978-1-62708-166-5
... is metered. Flow rate is a function of the volume of a furnace chamber and time. A practical flow formula that is sufficiently accurate to deal with furnace atmosphere flows is as follows: (Eq 1) Q = 1651.25 × A × C × h / d where Q is the flow rate, in ft 3 /h; A is the area...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006135
EISBN: 978-1-62708-175-7
... of a sintering atmosphere is to protect metal parts from the effects of contact with air. Atmospheres must be maintained at sufficient pressure and flow rate to prevent infiltration of air through furnace openings. In addition to protecting the part, atmospheres provide sufficient conduction and convection...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004007
EISBN: 978-1-62708-185-6
... to extend this processing technique to higher temperatures. A number of factors affect the deformability of a material such as strain rate, stress state, temperature, and flow characteristics of the material, which are affected by crystal structure and microstructure. Changes in stress state via...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006107
EISBN: 978-1-62708-175-7
.... The BET model is based on a kinetic model of the adsorption process that was described first by Langmuir in 1916 ( Ref 3 , 4 ). Langmuir regarded the solid surface as an array of adsorption sites, and a state of dynamic equilibrium was postulated in which the rate molecules arrive from the gas phase...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001466
EISBN: 978-1-62708-173-3
... that was depressurized slightly with respect to the rest of the factory, but there was no need for protective clothing or respiratory masks. A fixed machine with many nozzles under which the parts pass on a roller table has also been developed. The nozzles may someday be computer controlled. Currently...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002362
EISBN: 978-1-62708-193-1
... interrelationships associated with environmentally assisted cracking, which can encompass crack growth rates of more than 10 mm/s to less than 10 −10 mm/s. (a) Venn diagram of mechanisms. (b) Venn diagram of variables listed in Table 1 Fig. 1 Room-temperature corrosion fatigue crack growth rates...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006340
EISBN: 978-1-62708-179-5
... Fig. 23 Effect of carbon equivalent on chunk graphite formation in a 20 cm (8 in.) diameter casting. Source: Ref 48 Fig. 22 Cooling curves measured in 3 mm (0.1 in.) thick plates with different cooling rates. Chunk graphite was found in the slow-cooled plate. LDASC, low-density alumina...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002401
EISBN: 978-1-62708-193-1
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006819
EISBN: 978-1-62708-329-4
... Fatigue-Crack Propagation at Near-Threshold and Higher Growth Rates in Lower Strength Steels ,” LBL-13585, Lawrence Berkeley Laboratory (U.S. Department of Energy under Contract W-7405-ENG-48) , Berkeley, CA , Nov 1981 10.2172/5532223 178. Wachob H.F. and Nelson H.G. , Influence...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004145
EISBN: 978-1-62708-184-9
... (a) Single values are maximum. (b) Filler metal composition Fig. 15 Crack-propagation rate for nonsensitized stainless steels in simulated boiling water reactor water at 288 °C (550 °F) as a function of yield stress. Source: Ref 56 Fig. 9 Crack-propagation-rate data for sensitized...