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induction furnaces

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Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006828
EISBN: 978-1-62708-329-4
...Abstract Abstract The various methods of furnace, torch, induction, resistance, dip, and laser brazing are used to produce a wide range of highly reliable brazed assemblies. However, imperfections that can lead to braze failure may result if proper attention is not paid to the physical...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001260
EISBN: 978-1-62708-235-8
... through hardening and heat treatment does not present any serious difficulty. Care is still required in processing to avoid decarburization. In an application of track pins for tracked vehicles, bars about 22 mm diam were required in heat treated and centerless-ground condition prior to induction...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001598
EISBN: 978-1-62708-232-7
.... This was accomplished by welding a short platinum tube to the bottom of the melter. The end of the new tube was pinched shut and seam welded closed. All welds were liquid penetrant tested, and no indications were observed. The vessel was then placed in an induction furnace contained within a graphite crucible. Alumina...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001578
EISBN: 978-1-62708-233-4
... Strip Caused by an Induction Furnace in a Steel Mill Case #3: Vibration of Microscope in Hospital Microsurgery Room Case #4: Torsional Vibration on a Reciprocating Pump Case #5: Ghosts Case #6: Vibration of Nuclear Magnetic Resonance Machine Case #7: Vibration Induced by Sound Case #8...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0047406
EISBN: 978-1-62708-232-7
...Abstract Abstract A cast countershaft pinion on a car puller for a blast furnace broke after one month of service; expected life was 12 months. The pinion was specified to be made of 1045 steel heat treated to a hardness of 245 HRB. The pinion steel was analyzed and was a satisfactory...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001826
EISBN: 978-1-62708-241-9
...Abstract Abstract A back wall riser tube in a high pressure boiler failed, interrupting operations in a cogeneration plant. The failure occurred in a tube facing the furnace, causing eight ruptured openings over a 1.8 m section. The investigation consisted of an on-site visual inspection...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001302
EISBN: 978-1-62708-215-0
... likely to fail were found: two in service, and four in inventory. This supplier produced the kingpins by forging AISI 4140 steel bar stock which had been cut into blanks. The blanks were heated in an induction furnace for about 5 minutes, by which time the temperature was normally about 1177 to 1232...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006816
EISBN: 978-1-62708-329-4
.../asm.hb.v04b.a0005928 4. Walls J. , Pietracupa F. , Boltz E. , Szymborski J. , Furnace Controls , Steel Heat Treating Technologies , ASM Handbook Vol 4B , ASM International , 2014 , p 170 – 181 , 10.31399/asm.hb.v04b.a0005931 5. Matlock D.K. , Metallurgy of Induction...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
... to ASTM International A27, grade 65-35; properties from an 8 × 13 × 18 cm (3 × 5 × 7 in.) keel block; basic electric steel, deoxidized with 1.1 kg (2.5 lb) of aluminum per ton of molten metal. (a) Annealed at 925 °C (1700 °F) for 12 h, furnace cooled. Microstructure: 30% fine pearlite, 70% primary...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006766
EISBN: 978-1-62708-295-2
.... The discussion covers the operating principles, applications, advantages, and disadvantages of optical emission spectroscopy (OES), inductively coupled plasma optical emission spectroscopy (ICP-OES), X-ray spectroscopy, and ion chromatography (IC). In addition, information on combustion analysis and inert gas...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001850
EISBN: 978-1-62708-241-9
... Heating High Blast Velocity Thin Refractory Layer Back Pressure from the Furnace Chemical analysis of the sample collected from the bulged out portion of the blow pipe was carried out using inductively coupled plasma (ICP) spectrometer (Germany, model: ARCOS); carbon (C) and (S) content...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0047392
EISBN: 978-1-62708-221-1
... tempered during a hot-straightening operation. Rather than attempt to identify and segregate tempered and untempered roadarms, all production arms were tempered, including those already installed. A split induction coil was used to encompass the region of the weld and the adjacent hardened HAZ, thus...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
..., brine, and caustic quenching Shapes Maximum carbon content, % Furnace hardening General use 0.30 Simple shapes 0.35 Very simple shapes (e.g., bars) 0.40 Induction hardening Simple shapes 0.50 Complex shapes 0.33 Higher-carbon steels undergo greater expansion...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001811
EISBN: 978-1-62708-241-9
... to analyze the causes of deformation of the steel tube, during the heat-treatment cycle. Steel tubes having diameter 100 mm and length 300 mm were severely cold deformed. These tubes were heat treated at 910 °C for 30 min and cooled down to room temperature in the same furnace. During heating and cooling...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001335
EISBN: 978-1-62708-215-0
... operation, furnace atmosphere, drawing lubricant, and temperature control during hot drawing and annealing. Furthermore, tube embrittlement was not always observed, but when present was typically noted after the first process anneal. Flattening the tube demonstrated the embrittlement ( Fig. 1 ). Fig. 1...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0047010
EISBN: 978-1-62708-234-1
...-melted bar stock (induction or arc remelted or both) in sizes equal to that of the 81-mm mortar tube. Transverse disks cut from each bar were machined into three tensile and two V-notch Charpy specimens for each test condition. For the elevated-temperature tests, tensile-test bars were pulled after...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001077
EISBN: 978-1-62708-214-3
... are vacuum remelting operation. Pieces of steel, which are used to control the position of the ingot in the furnace, probably melted and unexpectedly contaminated the solidifying ingot. Remedial Action A straightforward remedial action consisted of replacing the pieces of steel used to control ingot...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001056
EISBN: 978-1-62708-214-3
... was achieved by means of a 10 kW induction heating furnace, increasing the temperature from 100 to 300 °C (212 to 570 °F) in 30 s and cooling it back down to 100 °C (212°F) in 17 s, for a total thermal cycle of 47 s. By keeping the stroke constant, stiff restraints were imposed on the specimen by means...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
... steel is made in a furnace normally used to make high-alloy steels. The refractory lining of the furnace may impart sufficient residual chromium and other alloying elements to a heat of low-carbon steel that problems occur when components made from that heat are joined using standard welding procedures...