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single-coil system

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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001314
EISBN: 978-1-62708-215-0
... operation of the tube coils could have been wholly or partially responsible for the failure. While there may have been a residual tensile stress parallel to the coil axis on the inside diameter of the coil after cold forming, this stress would have been relaxed during initial firing of the system...
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
... cumulative service at elevated temperature. A recommendation was made to implement a support for the conical section of the CIM and to increase the wall thickness of the drain tube. Thus, the possibility of drain tube misalignment in the induction coils and localized over heating will be minimized...
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
... are simultaneously impressed on the test coil) or the sequential method (switching between test frequencies—often referred to as a multiplexed system). Expands the capabilities of the eddy-current method by allowing the user to perform simultaneous tests and provide for signal combinations using multiparameter...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001686
EISBN: 978-1-62708-220-4
... mechanism, thermal fatigue, was also reported for the first failure and by Becker [ 2 ] for the current failure. Prior Events and Probable Root Cause The possible root causes for the vaporizer coil failure evaluated in this study include the following: local flame impingement, piping system stresses...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001118
EISBN: 978-1-62708-214-3
...Abstract Abstract Failure of AISI type 321 stainless steel internal springs from newly manufactured lip seals on a shaft between a turbine power unit and a pump in a commercial aircraft secondary unit was investigated. Examination of the coils from two failed springs showed that both had failed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001547
EISBN: 978-1-62708-225-9
... for 17-7 PH CH900 and for Custom 455 CH850 stainless steels. Laboratory testing of these two materials in the form of compression springs confirmed the superiority of the 17-7 PH over Custom 455. Aerospace components Coil springs Surface defects 302 UNS S30200 17-7 PH UNS S17700 Custom 455...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003533
EISBN: 978-1-62708-180-1
... current through it or, in a small metal sample, by using a levitation induction coil. Carbon evaporation is also possible using a slightly modified process. In this instance, a carbon filament is placed between two electrodes in the vacuum chamber. A current is rapidly introduced through the filament...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001839
EISBN: 978-1-62708-241-9
...Abstract Abstract Several stainless steel coils cracked during a routine unwinding procedure, prompting an investigation to determine the cause. The analysis included optical and scanning electron microscopy, energy-dispersive x-ray spectrometry, and tensile testing. An examination...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001778
EISBN: 978-1-62708-241-9
..., and Shri J. Guria at RDCIS for their help in their investigation. Thanks are also due to Shri B. Khalko for typing out the manuscript in short time. The 40 mm locked coil track rope designated as “Sample A” was used in the empty side of the track rope bi-cable system. The rope is stationary and empty...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006769
EISBN: 978-1-62708-295-2
..., by using a levitation induction coil. Carbon evaporation is also possible using a slightly modified process. In this instance, a carbon filament is placed between two electrodes in the vacuum chamber. A current is rapidly introduced through the filament, causing the carbon fibers to heat and burn out...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001341
EISBN: 978-1-62708-215-0
.... The superheater ( Fig. 1 ) includes inlet and outlet headers at the top, with tubes suspended from these headers. The assembly is one of several exchangers suspended in an exhaust flue downstream of a methanol reformer. The internal coil design pressure is 8.96 MPa (1300 psig) at 649 °C (1200 °F) and flue...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001033
EISBN: 978-1-62708-214-3
... as it extracts energy from the pressure wave. Magnets in the plunger assembly, attached to the piston, induce a voltage in the coil of the stator from which electrical power is extracted. Fig. 1 Cutaway view of Stirling engine showing location of regenerator. The Stirling demonstrator engine...
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
... was vibrating. The spectrum on the pipe matched the 240 cpm vibration on the window. When that particular air handler was shut down the vibration on the windows several stories below immediately stopped. Examination of the fan system revealed that the screws in the braces that connected the heating coil...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001817
EISBN: 978-1-62708-241-9
... wires . J. Mater. Proc. Tech. 171 , 894 – 902 ( 2006 ) 3. Parameswaran P. , Raghunathan V.S. , Hiremath S.C. , Paknikar K.R. : Failure of locked coil wire rope of coal handling system . Eng. Fail. Anal. 10 , 395 – 404 ( 2003 ) 10.1016/S1350-6307(03)00019-0 4...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
... booms, coil hooks, lugs and rings, boxes and containers, trunnions, and miscellaneous attachments should be made of either normalized or quenched-and-tempered fully killed fine-grain steels. For equipment operated at temperatures below 20 °C (68 °F), the transition temperature of the material must also...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001813
EISBN: 978-1-62708-180-1
.... In this instance, and in many others, the proximity of one coil to another does not permit some areas to be shot peened properly, and this can contribute to a reduction in fatigue life. Fig. 1 Fractograph of the surface of a fracture that occurred one turn from the end of a titanium alloy spring. The arrow...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... resistance between the two metals; otherwise, this resistance must be taken into account in a complex manner that is beyond the scope of this article. The combination of dissimilar metals in engineering design is quite common, for example, in heating or cooling coils in vessels, heat exchangers...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... of dissimilar metals in engineering design is quite common—for example, in heating or cooling coils in vessels, heat exchangers, or machinery. Such combinations often lead to galvanic corrosion. The obvious design considerations to minimize the adverse effects of using dissimilar metals are to: Select...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... areas to be distinguished from lamination-free areas. Eddy-current inspection can be used on all materials that conduct electricity. If a coil conducting an alternating current is placed around or near the surface of the sample, it will set up eddy currents within the material by electromagnetic...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
... disks (ring) can be controlled individually with separate motors or by using the gear mechanism; thus, rolling contact with a differing amount of sliding (slippage) at the interface can be generated. Typically, the load is applied using a compressed coil spring or dead-weight loading systems. Tests can...