Failure of Connecting Clamps in Electrical Terminal Blocks-Reference-Cited by-同舟云学术

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Failure of Connecting Clamps in Electrical Terminal Blocks

Published:2023-06-01 Issue:6 Volume:60 Page:382-401
ISSN:2195-8599
Container-title:Practical Metallography
language:en
Short-container-title:

Author:

Neidel A.¹,Fischer B.¹,Giller M.¹

Affiliation:

1. Siemens Energy, Gasturbinenwerk Berlin, Werkstoffprüflabor, Prof. Dr.-Ing. Andreas Neidel , Huttenstraße 12, D– Berlin Germany

Abstract

Abstract The failure of fastening elements in electrical terminal blocks was attributed to various material-related causes. While the casehardened terminal screws broke due to hydrogen embrittlement, the material-related cause of the plastic deformations of the roof-shaped washers and the stripping of the threads of the square nuts are undersizing and an insufficient strength for this particular application.

Publisher

Walter de Gruyter GmbH

Subject

Metals and Alloys,Mechanics of Materials,Condensed Matter Physics,Electronic, Optical and Magnetic Materials

Link

https://www.degruyter.com/document/doi/10.1515/pm-2023-0031/pdf

Reference14 articles.

1. Neidel, A.; Gädicke, T.; Fischer, B.: Interner Bericht BLN MT/2017/0620, Berlin, 26.10.2017

2. DIN 562: Mai 2013: Vierkantmuttern, niedrige Form, Produktklasse B

3. Lange, G. (Hrsg.): Systematische Beurteilung technischer Schadensfälle. Wiley-VCH, 2001

4. Pohl, M.: Wasserstoff in metallischen Bauteilen – Eine systematische Übersicht. 39. VDI-Jahrestagung Schadensanalyse – Wasserstoff in metallischen Bauteilen. Würzburg, Germany, October 8 and 9, 2013

5. ASM Handbook, Volume 11: Failure Analysis and Prevention. 6. Auflage, ASM International 1998

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