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Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts最新文献

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Evaluation of different platings for aluminum-to-copper connections 铝-铜连接用不同镀层的评价
Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts Pub Date : 1900-01-01 DOI: 10.1109/33.142896
M. Braunovic
{"title":"Evaluation of different platings for aluminum-to-copper connections","authors":"M. Braunovic","doi":"10.1109/33.142896","DOIUrl":"https://doi.org/10.1109/33.142896","url":null,"abstract":"A number of coating materials commonly used for aluminum-to-copper connections were evaluated on the basis of their effect on the contact resistance-force/torque relationships, the performance of coated joints under current-cycling and fretting conditions, and ability to protect the contact against galvanic corrosion in saline and industrially polluted environments. The results showed that the use of nickel-plating of both aluminum and copper and copper-plating of aluminum ensures the greatest stability while bare aluminum in contact with tin- and silver-plated copper shows the poorest performance under different operating conditions.<<ETX>>","PeriodicalId":368900,"journal":{"name":"Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts","volume":"190 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121092432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
Magnetic and mechanical design of ultraminiature Reed switches 超小型簧片开关的磁性和机械设计
Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts Pub Date : 1900-01-01 DOI: 10.1109/33.142891
T. Kobayashi, K. Hinohara, C. Kawakita
{"title":"Magnetic and mechanical design of ultraminiature Reed switches","authors":"T. Kobayashi, K. Hinohara, C. Kawakita","doi":"10.1109/33.142891","DOIUrl":"https://doi.org/10.1109/33.142891","url":null,"abstract":"The miniaturization limit of the reed switch with respect to the magnetic and mechanical properties is discussed assuming that the contact rating, the switching current and voltage, the carry current, and the breakdown voltage are 1 VA, 0.1 A, 24 V, 0.3 A, and 150 V, respectively. Assuming that the contact rating, the switching current and voltage, the carry current, and the breakdown voltage decrease, it was found that the ultraminiature reed switch with glass inner diameter of 1.0 mm and glass inner length of 4.0 mm can be put in mass production by using the existing process technology. This reed switch has a contact force of 1 gf and is suitable in the field of microelectronics.<<ETX>>","PeriodicalId":368900,"journal":{"name":"Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts","volume":"7 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123805495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Failure of aluminum connections in residential applications 住宅应用中铝连接的失效
Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts Pub Date : 1900-01-01 DOI: 10.1109/HOLM.1991.170833
J. Aronstein
{"title":"Failure of aluminum connections in residential applications","authors":"J. Aronstein","doi":"10.1109/HOLM.1991.170833","DOIUrl":"https://doi.org/10.1109/HOLM.1991.170833","url":null,"abstract":"Failures of aluminum connections in various residential electrical applications are examined. Specific examples are provided, including aluminum bus bar contacts, aluminum-bodied connectors, and aluminum-shell lamp sockets. Design factors of the failed connections are discussed in terms of criteria for successful long-lived contact to aluminum. Deficiencies of the designs and the applicable qualification standards are discussed.<<ETX>>","PeriodicalId":368900,"journal":{"name":"Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts","volume":"116 37","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131912991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Evaluation of a mixed flowing gas test 混合流动气体试验的评价
Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts Pub Date : 1900-01-01 DOI: 10.1109/HOLM.1991.170827
J. Chao, R. Gore
{"title":"Evaluation of a mixed flowing gas test","authors":"J. Chao, R. Gore","doi":"10.1109/HOLM.1991.170827","DOIUrl":"https://doi.org/10.1109/HOLM.1991.170827","url":null,"abstract":"The results of a process to better understand the IBM GIT gaseous corrosion test are presented. Previous work over the past two years has centered around the changing of a single gas of a mixture and analyzing the subsequent corrosion products. In the work reported in the paper, an effort to achieve a particular corrosion outcome by changing multiple gas concentrations is attempted by applying knowledge gained from these previous experiments. The possible synergistic effects between different gas species were considered in a qualitative manner to determine the gas concentrations to be used for generating the desired composition of corrosion products. Results from these exposures were analyzed using coulometric reduction, SEM/EDX (scanning electron microscopy/energy-dispersive X-ray spectroscopy), and X-ray diffraction.<<ETX>>","PeriodicalId":368900,"journal":{"name":"Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts","volume":"53 16","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113942138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Uses of theory in the design of sliding electrical contacts 理论在滑动电触点设计中的应用
Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts Pub Date : 1900-01-01 DOI: 10.1109/HOLM.1991.170799
D. Kuhlmann-wilsdorf
{"title":"Uses of theory in the design of sliding electrical contacts","authors":"D. Kuhlmann-wilsdorf","doi":"10.1109/HOLM.1991.170799","DOIUrl":"https://doi.org/10.1109/HOLM.1991.170799","url":null,"abstract":"The broadly based use of theory for understanding, and hence improving, electrical contacts is considered. The author discusses such uses in four areas: (i) studies of monolithic metal-graphite brushes for determining their operating limits; (ii) development of high-performance metal fiber brushes based on theoretical considerations; (iii) developing a computer program for calculating contact spot temperatures, being the principal determinant of top brush performance; and (iv) studies of microscopic processes at a-spots including adsorbed layers, with the aim of optimizing the operating conditions of sliding contacts.<<ETX>>","PeriodicalId":368900,"journal":{"name":"Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126320720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
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