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Electrical connectors

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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001125
EISBN: 978-1-62708-214-3
... core, while the aluminum transports the electric current. The same is true for connectors. Thus, when the aluminum connector was subjected to a mechanical overload, the steel support did not perform as designed. Heavy corrosion was present at the steel splice because of corrosive conditions inside...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001843
EISBN: 978-1-62708-241-9
...Abstract Abstract The operator of an electric transit system purchased a large number of tin-plated copper connectors, putting some in service and others in reserve. Later, when some of the reserve connectors were inspected, the metal surfaces were covered with spots consisting of an ash-like...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001806
EISBN: 978-1-62708-241-9
... cracking requires a combination of residual or applied stress, an aggressive environment, and a susceptible material. Evaluation of the cracked electrical connector housings reveals a brittle fracture, and the presence of an aggressive species known to promote SCC in brass and copper materials. Testing...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001385
EISBN: 978-1-62708-215-0
... portions of electrical boxes should be secured to prevent damage to surroundings in the event of an electrical fault. If symptoms of arcing are observed, professional service should be sought. The latest designs of connectors for use with aluminum wiring are less susceptible to deviations in installation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006409
EISBN: 978-1-62708-217-4
... was determined to be fluorinated hydrocarbon teflon-type tape. Hardness checks on both connectors showed the large male end connector to be 75 HRB and the small male end connector to be 77 HRB. Electrical conductivity checks on both connectors showed the large male end connector to have a conductivity of 31...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001102
EISBN: 978-1-62708-214-3
..., with the light-colored deposit in evidence. Surface Examination Metallography Chemical Analysis/Identification Mechanical Properties Most Probable Cause Remedial Action The studs—115 mm ( 4 1 2 in.) long and 19 mm ( 3 4 in.) in diameter—were from a steam line connector...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... the main problem in fretting of electrical contacts ( Ref 27 – 32 ). Because the oxide debris is nonconducting, interference or distortion of electrical signals can take place in electrical connectors when subjected to fretting wear. Indeed, the huge developments in electronic control and data analysis...
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
.... , Fretting Fatigue Behaviour of Ni-Free High-Nitrogen Stainless Steel in a Simulated Body Fluid , Sci. Technol. Adv. Mater. , Vol 14 , 2013 , p 025002 10.1088/1468-6996/14/2/025002 11. Park W. , Jung J.P. , and Lee K.Y. , Overview of Fretting Corrosion in Electrical Connectors...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
.... The rotors of electrical generators have slots along their lengths in which the windings are located. These are held in place by wedges. Fretting can occur between the wedges and the undercut portion of the winding channel with the development of fatigue cracks in the rotor. These problems in turbines...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001669
EISBN: 978-1-62708-229-7
..., an isostress overtemperature lead specimen approach was taken, whereby failure of a test specimen in the laboratory would precede failures in the plant. These tests revealed approximately a 2:1 difference in life for the base metal as compared to weld metal. Electric power generation Outlet header...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003554
EISBN: 978-1-62708-180-1
.... Breyer N.N. , Some Effects of Certain Trace Elements on the Properties of High Strength Steels , Proc. 31st Electric Furnace Conf. , 1974 17. Le May I. , Koul A.K. , and Dainty R.V. , Fracture Mechanisms in a Series of Locomotive Axle Failures , Materials Characterization...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
... on SAE 4340 Steel in the Presence of Stress Concentrations at Elevated Temperatures ,” WADC TR 58-108, ASTIA 151075 , 1958 16. Breyer N.N. , Some Effects of Certain Trace Elements on the Properties of High Strength Steels . Proc. 31st Electric Furnace Conf., 1974 17. Le May...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003503
EISBN: 978-1-62708-180-1
... N. , The Flame System: Automating Electrical Failure Mode and Effects Analysis (FMEA) , Proc. Annual Reliability and Maintainability Symposium , 1995 , p 90 – 95 10.1109/RAMS.1995.513228 22. Russomanno D.J. , Bonnell R.D. , and Bowles J.B. , Viewing Computer-Aided...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... anticipated. The water conditions were: Temperature: 285 °C (545 °F) Pressure: 7 MPa (1000 psi) pH: 6.5 to 7.5 Chloride content: <0.1 ppm Oxygen content: 0.2 to 0.3 ppm Electrical conductivity: <0.4 mmho/cm Analysis of the pipe showed the chemical composition to be entirely...
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