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electrical resistance technique

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001594
EISBN: 978-1-62708-229-7
..., such as mechanical vibration, internal pulsation, joint design, and welding workmanship; and 3) implications of a leaking crack on plant safety. TU Electric has implemented the use of modified welding techniques for the fabrication of socket-welded joints that are expected to improve their ability to tolerate...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
... resistance of the metal because the sites of the anodic and cathodic reactions are not known, nor are they predictable. However, it is possible to increase the electrical resistance of the electrolyte and thereby reduce corrosion. Very pure water is much less corrosive than impure or natural waters. The low...
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
... include major appliances, water heater tanks, chemical-processing vessels, heat exchangers, storage tanks, piping, and pump components. The choice of porcelain enamel is primarily for chemical resistance, mechanical or electrical properties, appearance, color, cleanability, and thermal shock capability...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... systems. Most metals, including iron, copper, nickel, aluminum, and their alloys, are more or less susceptible to damage ( Ref 1 , 2 , 3 ). Only titanium and its alloys appear to be generally resistant ( Ref 4 ). This review focuses initially on the mechanisms of microbially induced or influenced...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
..., and laboratory techniques. One of the key factors in properly performing a failure analysis is keeping an open mind while examining and analyzing the evidence to foster a clear, unbiased perspective of the failure. Collaboration with experts in other disciplines is required in certain circumstances to integrate...
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
... on the use of a zero-resistance milliammeter. Zero-resistance electrical continuity between the members of the galvanic couple is maintained electronically, while the resulting current is measured with the ammeter. Use of this technique should take into account certain limitations. First, when localized...
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
...-resistance electrical continuity between the members of the galvanic couple is maintained electronically, while the resulting current is measured with the ammeter. Use of this technique should take into account certain limitations. First, when localized corrosion such as pitting or crevice corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089793
EISBN: 978-1-62708-235-8
... composition of 0.21C-0.77Mn; composition of the 125 mm (5 in.) plate was 0.19C-0.76Mn, giving carbon equivalents (CE) of 0.34 and 0.32, respectively (CE = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15); these CE levels are indications of good weldability and resistance to weld cracking. The welds were made...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
... deformation is typically characterized by time-dependent strain curves, as discussed in more detail in the article “Creep and Stress Rupture Failures” in this Volume. Most (but not all) creep curves show three distinct stages, as briefly described in the following. Creep strength (i.e., the resistance...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... or failures. The process is complex, draws upon many different technical disciplines, and uses a variety of observation, inspection, and laboratory techniques. One of the key factors is keeping an open mind while examining and analyzing the evidence to foster a clear, unbiased perspective of the failure...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
...Abstract Abstract Rolling-contact fatigue (RCF) is a common failure mode in components subjected to rolling or rolling-sliding contact. This article provides a basic understanding of RCF and a broad overview of materials and manufacturing techniques commonly used in industry to improve...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... can enter into the metal in atomic form rather than evolving entirely as a gas into the surrounding medium. Hydrogen lowers the surface energy of iron and thus can reduce the toughness of steel, causing fracture failure. A common technique used to resist corrosion is cathodic protection, which...
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
... directions to measure the strain accurately on gage lengths 0.5 to 150 mm (0.02 to 6 in.). Although there are many mechanical, optical, and electrical devices capable of accurate strain measurements, the bonded electrical-resistance strain gage has become the standard tool for general laboratory and field...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001536
EISBN: 978-1-62708-229-7
.... , and Wood C.J. , “Development of LOMI Chemical Decontamination Technology,” Electric Power Research Institute Report EPRI NP-3177, July 1983 3. Shaw R.A. and Naughton M.D. , in Proc. Second Int. Conf. on Water Chemistry of Nuclear Reactor Systems , Bournemouth, UK , British...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
...-processing industries with design requirements involving corrosion resistance and elevated-temperature service. Many other engineering disciplines also have unique and special requirements for design and materials selection. In electrical engineering design, for example, the physical property...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... Turbine Materials , EPRI AP-4477, Project 2382-3, Electric Power Research Institute, April 1986 , p 1.1 – 1.17 3. Viswanathan R. and Dooley R.B. , Creep Life Assessment Techniques for Fossil Power Plant Boiler Pressure Parts , Proc. Conf. on Life Prediction for High Temperature Gas...
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
..., K (or K derived from fracture resistance, J ), or the CTOD fracture mechanics parameters. The level 2 approach is based on procedures similar to CEGB R6 Rev. 2, and the level 3 approach is based on CEGB R6 Rev. 3. These codes have been extensively used in the electric utilities industry...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... with the abundance of sulfate-reducing bacteria in soils along a buried pipeline Factor Range Correlation coefficient Number of acid-producing bacteria (a) , cells/g soil 10 3 –10 8 +0.829 Total organic carbon in groundwater, % 0.05–1.2 +0.645 Soil resistivity, Ω · cm 500–30,000 −0.642...
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
... difficult. Normally for qualitative comparison with reference sample. Part edges complicate results, and a skilled operator is required. No fluid coupling required. Can adapt to high-speed production lines Metals only Potential drop Measures electrical resistance between/among probes contacting...
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
... infrared spectral comparison showing absorption bands at 1740 cm −1 , characteristic of oxidation within the results obtained on the failed parts Abstract Abstract This article reviews the analytical techniques most commonly used in plastic component failure analysis. These include the Fourier...