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vacuum furnace

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Journal Articles
AM&P Technical Articles (2015) 173 (3): 40–42.
Published: 01 March 2015
... furnaces httpsdoi.org/10.31399/asm.amp.2015-03.p040 40 FEATURE ADVANCED MATERIALS & PROCESSES | MARCH 2015 USING WORKLOAD-EMISSIVITY FACTORS TO PROJECT HEATING RATES IN A VACUUM FURNACE Emissivity is a term used to define the ability of a surface to emit and absorb radiation. At any given temperature...
Journal Articles
AM&P Technical Articles (2016) 174 (3): 46–48.
Published: 01 March 2016
... titanium parts vacuum furnaces vacuum heat treating httpsdoi.org/10.31399/asm.amp.2016-03.p046 46 FEATURE ADVANCED MATERIALS & PROCESSES | MARCH 2016 MINIMIZING ALPHA CASE DURING VACUUM FURNACE HEAT TREATING Understanding detrimental alpha case formation during heat treatment of titanium parts...
Journal Articles
AM&P Technical Articles (2017) 175 (4): 56–58.
Published: 01 May 2017
...Real J. Fradette; Virginia Osterman; William R. Jones A novel hot zone design featuring new graphite boards reduces heat loss and improves overall hot zone power requirements. Copyright © ASM International® 2017 2017 ASM International graphite insulation thermal loss vacuum furnaces...
Journal Articles
AM&P Technical Articles (2016) 174 (3): 42–44.
Published: 01 March 2016
... vacuum heat treating httpsdoi.org/10.31399/asm.amp.2016-03.p042 42 FEATURE ADVANCED MATERIALS & PROCESSES | MARCH 2016 USING VACUUM FURNACES TO PROCESS 3D-PRINTED PARTS Vacuum heat treating is a crucial step in the additive manufacturing process cycle to meet required part quality specifications...
Journal Articles
AM&P Technical Articles (2023) 181 (6): 42–44.
Published: 01 September 2023
...Zoe J. Rex; Bob Acken Integral quenching (IQ) is a widely adopted heat treatment technique known for its efficient and rapid quenching capabilities. Vertical vacuum IQ furnaces give heat treaters a larger working zone for efficient and rapid quenching. This article describes the elements...
Journal Articles
AM&P Technical Articles (2023) 181 (2): 47–50.
Published: 01 March 2023
...Peter Sherwin This article reviews steps to improve the cost and efficiency of electrical heating methods for vacuum furnaces based on recent technology developments. Topics addressed include improvements in durability and efficiency of industrial power supplies and digital power supply diagnostics...
Journal Articles
AM&P Technical Articles (2015) 173 (6): 40–44.
Published: 01 June 2015
...Trevor Jones; Reàl J. Fradette Residual gas analysis shows that vacuum furnaces with graphite hot zones are more economical than all-metal designs and are capable of producing contamination-free surfaces. Copyright © ASM International® 2015 2015 ASM International hot zone contamination...
Journal Articles
AM&P Technical Articles (2020) 178 (6): 46–48.
Published: 01 September 2020
... of certain metals must be considered during process development for vacuum heat treatment of additively manufactured parts. Copyright © ASM International® 2020 2020 ASM International additively manufactured parts cold-wall vacuum furnace vacuum heat treatment 4 6 httpsdoi.org/10.31399...
Journal Articles
AM&P Technical Articles (2014) 172 (7): 15–19.
Published: 01 July 2014
.... Copyright © ASM International® 2014 2014 ASM International brazing furnaces furnace maintenance magnesium addition vacuum aluminum brazing httpsdoi.org/10.31399/asm.amp.2014-07.p015 Understanding Key Process Parameters of Vacuum Aluminum Brazing Craig Moller* Jim Grann Ipsen USA Cherry Valley...
Journal Articles
AM&P Technical Articles (2012) 170 (8): 25–27.
Published: 01 August 2012
... brazing graphite-titanium joints joint strength vacuum furnace httpsdoi.org/10.31399/asm.amp.2012-08.p025 Active Brazing Joins Titanium-Graphite Beam Target for Subatomic Particle Detection Keith Ferguson Morgan Technical Ceramics Wesgo Metals Hayward, Calif. Active metal brazing allows metals...
Journal Articles
AM&P Technical Articles (2017) 175 (2): 59–61.
Published: 01 February 2017
... equipment and knowing how VACUUM FURNACES to operate it, heat treaters must also know how to recog- The rapid spread of additive manufacturing is not its only appeal, however, at least not for the heat treating industry. As heat treaters are learning, AM work originates high in the value chain...
Journal Articles
AM&P Technical Articles (2013) 171 (7): 28–30.
Published: 01 July 2013
... as a function of alloy content is shown here, where the affinity for nitrogen increases from left to right[1]: N, C, B, Si, Al, Ni, Co, Cu, W, Mo, Mn, Cr, Nb, V, Ti Repulsing Elements Attracting Elements Solution nitriding of martensitic stainless steels in a vacuum furnace is performed above the Ac3...
Journal Articles
AM&P Technical Articles (2018) 176 (2): 63–64.
Published: 01 February 2018
...) in a vacuum furnace is increasingly the preferred method for case hardening aerospace gears, with some alloys like Ferrium C61 and The use of partial pressure gas to help suppress evaporation is well established in the heat treating industry[2,3]. The present study investigates the effect of temperature, C64...
Journal Articles
AM&P Technical Articles (2017) 175 (4): 60–63.
Published: 01 May 2017
... or non-vacuum furnace quench chambers. Two questions arise regarding hardenability: How does alloy variability within a steel grade impact hardening characteristics? And how does it alter the martensite percent versus depth curve on carburized and direct hardened components? Questions with respect...
Journal Articles
AM&P Technical Articles (2022) 180 (8): 46–48.
Published: 01 November 2022
... furnace type can most effectively process the gear design and material grade. Pro- tective-atmosphere furnace solutions are well-suited for hardening of gears. The process techniques include gas or vacuum carburizing, carbonitriding, and neutral hardening in a carbon-based atmosphere or in a vacuum, Fig...
Journal Articles
AM&P Technical Articles (2014) 172 (9): 52.
Published: 01 September 2014
... between steel hardenability and to characterize how fast new furnace designs vacuum furnace can cool the part. chamber. Laboratory at WPI. cooling performance in gas-quench systems. The simulations also help predict the actual behavior of Another objective of the re- the parts given the amount search...
Journal Articles
AM&P Technical Articles (2014) 172 (9): 56–58.
Published: 01 September 2014
... Mass flowmeters nology is simpler, but often less accurate, components, as well as precise internal for use with vacuum furnaces and is limited to higher flow rates. voltage and current regulation are used A common heat processing application 12 Accuracy and repeatability to compensate. Sensor...
Journal Articles
AM&P Technical Articles (2019) 177 (2): 62–64.
Published: 01 February 2019
.../diffuse schedules for high-alloy steels. Low pressure carburization is conducted in a vacuum furnace at pressures of about 0.1 to 1 torr. During heating to the carburizing temperature, a nonreactive gas such as ni- The power transmission gear industry, especially for trogen may be added to provide...
Journal Articles
AM&P Technical Articles (2017) 175 (2): 56–57.
Published: 01 February 2017
... an impressive body of work. It has completed more than 20 projects that cover everything from induction tempering, thermal processing, and distortion to gas and oil quenching, energy efficiency determination, furnace modeling, alloy life extension, gas and vacuum carburization, and more. DISTORTION AND RESIDUAL...
Journal Articles
AM&P Technical Articles (2014) 172 (9): 53–55.
Published: 01 September 2014
.... The driver for much of this interest is the increased use of low-pressure (i.e., vacuum) carburizing furnaces in commercial heat treating operations. Thesefurnaces are capable of processing steels at higher temperatures and substantially shorter cycle times than conventional atmosphere furnaces. The higher...