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electromagnetic induction

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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.c9001811
EISBN: 978-1-62708-241-9
... of electromagnetic induction and is sensitive to the electrical conductivity and magnetic permeability of conductive materials. Eddy current evaluation technique can be applied on both conductive and nonconductive materials depending upon their permeability: however; the permeability must not be equal to one...
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
.... Eddy-current inspection can be used on all materials that conduct electricity. Eddy-current examination is based on the principles of electromagnetic induction and is used to identify or differentiate among a wide variety of physical, structural, and metallurgical conditions in electrically conductive...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... , 2003 , p 444 – 455 10.1016/S0043-1648(03)00417-4 36. Slatter T. , Lewis R. , and Jones A.H. , The Influence of Induction Hardening on the Impact Wear Resistance of Compacted Graphite Iron (CGI) , Wear , Vol 270 , 2011 , p 302 – 311 10.1016/j.wear.2010.11.003 37...
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 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 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.a0003565
EISBN: 978-1-62708-180-1
... test rigs are in existence ( Ref 40 , 41 , 42 ). A typical example is shown in Fig. 21 . Various mechanisms are employed to move the hammer up and down, including electromagnets and cams. Pivotal hammer test rigs overcome the contact lubrication and retuning problems encountered with ballistic rigs...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
.... In the analysis, an argon plasma-excitation source is used for atomic or optical emission spectroscopy. The instrument operates at atmospheric pressure and is sustained by inductive coupling to a radio-frequency electromagnetic field. This is an analytical technique for quantitative elemental analysis, comparing...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
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
... bonds that constitute the material evaluated. Vibrational states of varying energy levels exist in molecules. Transition from one vibrational state to another is related to absorption or emission of electromagnetic radiation ( Ref 3 ). These vibrations occur at characteristic frequencies, revealing...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1