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induction heating frequency

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001838
EISBN: 978-1-62708-241-9
.... pipe hot cracking grain boundary segregation stainless steel tear ridges melt bridging microfractography induction heating frequency X6CrNiMoTi17-12-2 (titanium-stabilized austenitic stainless steel) UNS S31635 Introduction Hypotheses about Potential Metallurgical Root Causes...
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
... the operators to avoid the unstable load ranges, because nothing can be done to prevent the Rheingan Influence. An induction furnace in a steel mill was used to heat and diffuse galvanize (zinc) into the steel strips. A loud, high pitch frequency would radiate from the steel plate during the induction...
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 Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006820
EISBN: 978-1-62708-329-4
... applications may use SAE 4120, 4320, 4620, 8620, or others. For flame and induction hardening and for nitriding, the most common alloys are SAE 4140, 4150, and 4340. The choice of alloys and heat treatments is always a trade-off between a number of constraints. For example, while flame- and induction...
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: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... , material chemistry, heat treatment, material anisotropy (sample orientation), temperature, and corrosive environment. The loading frequency is usually not a decisive factor for metals in a benign environment. Fatigue crack-propagation behavior of metals generally can be divided into three regions...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... IR/vibro-thermography, inductive IR Acoustic or inductive energy is applied to a part, and cracks heat up more than surrounding regions. Detection of surface-breaking cracks Acoustic energy is mode- and shape-sensitive so is nonuniform in heating effect. Also no crack depth information Same...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... , is characterized by the stress-intensity range, Δ K = K max − K min . Variables that influence fatigue-crack-growth behavior are stress ratio, loading frequency (not a factor in benign environments), material chemistry, heat treatment, material anisotropy, sample orientation, test temperature...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
... to confirm that the alloy was heat treated properly at manufacture and that the extent of aging (thermal exposure) was not excessive for the component (i.e., the gas turbine was not running abnormally hot). Chemical analysis by an inductively coupled plasma technique revealed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001583
EISBN: 978-1-62708-217-4
... of each of the retaining rods. The chemical composition was governed by AMS 5629. The material designated was precipitation hardened PH 13-8 Mo, heat treated to the H1050 condition. Inductively coupled plasma/atomic emission spectroscopy was utilized to determine the wt.% of each element. Samples were...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... grinding damage, machining marks or nicks, and quench cracks resulting from heat treating operations. Frequently, stress concentrators are introduced during hot or cold forming of shafts; these include surface discontinuities, such as laps, seams, pits and forging laps, and internal imperfections...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
... through broken spline, showing shape of fracture (arrow A), root of seam (arrow B), and decarburized surface. Sections B-B and C-C: Micrographs of section through seam showing regions where metal was affected and not affected by induction heating Fig. 19 Stainless steel boat shaft that failed...
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
... in undesirable grain growth. Heating and Atmosphere Control Localized overheating is particularly a potential problem for inductively heated parts ( Ref 28 , 29 ). Subsequent quenching of the part leads to quench cracks at sharp corners and areas with sudden changes in cross-sectional area (stress...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001531
EISBN: 978-1-62708-231-0
... have been used in China and other countries. The current trend toward high speed in passenger cars demands prolonging the service life and increasing the reliability of wheels. In order to solve this technical challenge, great efforts to improve the wheel steels have been made. The heat treatment...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... welding processes. The article also describes failure origins in other welding processes, such as electroslag welds, electrogas welds, flash welds, upset butt welds, flash welds, electron and laser beam weld, and high-frequency induction welds. arc welding brittle fracture electrogas welds...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
.... , and Kim S. , Effect of Heat Treatment on the Grooving Corrosion Resistance of ERW Pipes , Corros. Sci. Technol. , Vo1 31 , 2002 , p 234 – 238 53. “ Guidelines for the Avoidance of Vibration Induced Fatigue Failure in Process Pipework ,” Energy Institute , 2008 54. Bruno T.V...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001828
EISBN: 978-1-62708-241-9
...Abstract Abstract A heat transport pump in a heavy water reactor failed (exhibiting excessive vibration) during a restart following a brief interruption in coolant flow due to a faulty valve. The pump had developed a large crack across the entire length of a bearing journal. An investigation...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
...–0.25 3.25–3.75 Rolling-element bearing material families, group III or induction-hardening group Table 4 Rolling-element bearing material families, group III or induction-hardening group Steel name WN material number Composition, wt% C Si Mn P S Cr Mo...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006777
EISBN: 978-1-62708-295-2
... also increases the frequency of IG fracture as opposed to ductile microvoid coalescence in heat treated steels, because manganese promotes segregation of phosphorus at prior-austenite grain boundaries ( Ref 24 ). It is well known that the combination of tramp elements and hydrogen lowers grain...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
EISBN: 978-1-62708-180-1
..., contamination, degradation, chemical contact Differential scanning calorimetry (DSC) Heat of fusion, melting point, glass transition temperature, heat capacity Material identification, level of crystallinity, aging/degradation, thermal history Thermogravimetric analysis (TGA) Weight loss over...