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54th IEEE Holm Conference on Electrical Contacts 27-29 October 2008 Technical Program Monday, 27 October 2008
8:00am Introduction and
Opening Remarks John Shea, 2008 Holm Conference Chair 8:10am – 9:10am Holm Award High
Current AC Break Arc Contact Erosion John J. Shea 9:10am – 9:25am Break 9:25am – 11:05am Arc Interruption Chair: X. Zhou Co-Chair: H. Czajkowski Paul Slade, 1.2 An
Electrical Arc Erosion Model Valid for High Current: Vaporization and Splash
Erosion Frederic Pons, Georgia Institute of Technology, Atlanta, USA;
and Mohammed Cherkaoui, Georgia Institute of Technology, Atlanta, USA 1.3
Melting
Phenomena and Arc Ignition of Breaking Relay Contacts Noboru Wakatsuki, 1.4
Characteristics
of Break Arcs Driven by External Magnetic Field in a DC42V Resistive Circuit Junya Sekikawa, Faculty of Engineering, 1.5 A Finite
Volume Scheme for Modeling Arc Discharges in Low Voltage Circuit Breaking
Devices Bernhard
Kubicek, Arsenal 11:05am – 11:20am Break 11:20am – 12:20pm High Speed Chair: R. Timsit Co-Chair: ZK Chen 2.1 High
Temperature Resistant Gold Alloys for Switching Signal Relay Contacts Werner Johler, Tyco Electronics Logistics Ag, 2.2 Effects of
Electrical Contact Failure on High Speed Digital Signal Transmission 2.3 Effect of
Nanosecond Electrical Discontinuities in High-Speed Digital Applications
12:20pm
– 1:20pm Lunch
on Your Own 1:20pm
– 3:00pm Connectors
I Chair: B. Malucci Co-Chair: G. Drew 3.1 Numerical
Prediction of Socket Solder Joint Reliability during Shock
3.2 Innovative,
Multifunctional Contact-Spring Design Stefan Joergens, Lumberg Connect Marjorie Myers, Tyco Electronics, USA; Michael Leidner, Tyco
Electronics, Germany; Helge Schmidt, Tyco Electronics, Germany; and Helmut
Schlaak, Darmstadt University of Technology, Germany 3.4 Investigation
of Relaxation Behavior for Terminals of CPU Socket Connectors 3.5 Investigating
Mechanical Behavior of LGA Sockets for Design by FEA Modeling Mehdi
Imaninejad, Intel Corp, 3:00pm – 3:20pm Break 3:20pm
– 5:00pm Sliding
Contacts Chair: S. Cole Co-Chair: E. Smith
4.1 Commutation
Arc Characteristics of a Fuel Pump Motor in Ethanol Koichiro
Sawa, Koichi Koibuchi, Tsunashi Hara, 4.2 Nanoindentation
Studies of Contact Materials Used for Sliding Electrical Contacts Christian Holzapfel, Schleifring und
Apparatebau GmbH, Germany 4.3 Comparison
of Brush Sliding Contact Characteristics between Structure Steel Ring and
Stainless Steel Ring for Large AC Motors Makoto Takanezawa, Hiroyuki Yanagisawa, Takahiro Ueno, Noboru
Morita, Nippon Institute of 4.5 Low Speed
Sliding Test of Cu-Fe-W- Based Composite Material Contacts Containing WS2 Yoshitada
Watanabe, Kogakuin University, Japan; Masaomi Arai,
Kogakuin University, Japan; and Koichiro Sawa, Keio University, Japan 6:00pm Social
– Samba Room
Tuesday, 28 October 2008 8:30am – 9:30am Contactor / Relay Design Chair: J. McBride Co-Chair: C. Leung 5.1 Contact
Bounce Elimination by Means of a Sensorless Closed-Loop Current Controller in
DC Core Contactors 5.2 Research
on the Starting Points of the Combined Subsection Permanent Magnet Huimin Liang, Jun Xu, Rongling
Zhang, Guofu Zhai, Yanling Hao, 5.3 Design of
Shading Coils for Minimizing the Contact Bouncing of AC Contactors Jordi R. Riba, Antonio
Garcia Espinosa, Jordi Cusidó, Juan A Ortega, Luis Romeral, Universitat
Politècnica de Catalunya, Spain 9:30am
– 9:50am Break 9:50am
– 10:50am Mort
Antler Lecture Thomas J. Schoepf
10:50am – 11:10am Break 11:10am – 12:30pm Low Current Switching / MEMS Chair: K. Sawa Co-Chair: R. Martens
6.1 A
Nanoindenter Based Method for Studying MEMS Contact Switch Microcontacts Kevin Gilbert, Shankar Mall, Air Force Institute of Technology,
USA; Kevin Leedy, Air Force Research Laboratory, USA; and Bryan Crawford,
Agilent Technologies, USA 6.2 Electrical
Contact Reliability in a Magnetic MEMS Switch Maxime Vincent, Laurent Chiesi, Jean-Christophe Fourrier, Amalia
Garnier, Benoît Grappe, Christophe Lapiere, Caroline Coutier, Alfredo
Samperio, Sylvain Paineau, Schneider Electric Industries, France; and
Frédéric Houzé, Sophie Noël, Laboratoire de Génie Électrique de Paris, France 6.3 Research
on Burning Arc between Contacts and Basic Study on Contact Bouncing of DC
Relays Chunyan Zang, Junjia He, Bin Huang, Yi Tao, Hanming Zhang,
Huazhong University of Science and Technology, China; and Lizhong Wang,
Chengyan Liu, Fubiao Luo, Li Cui, G&A Technologies Co., Ltd, China 6.4 Influence
of Characteristic Parameters on Contact Bounce in Reed Systems of Relays Jun Xiong, Junjia He, Chunyan Zang, Huazhong University of
Science and Technology, P.R.China; and Chengyan Liu, Lizhong Wang, G&A
Technologies Co., Ltd, P.R.China 12:30pm
– 2:00pm Awards
Luncheon
2:00pm – 3:40pm Connectors II Chair: G. Flowers Co-Chair: B. Rickett 7.1 Contact
Properties of Tubular Crimp Connections: Elementary Considerations Roland Timsit, Timron Scientific Consulting Inc., 7.2 A
Multi-Physics Finite Element Model of an Electrical Connector Considering
Rough Surface Contact Santosh V. Angadi, Auburn University, USA; W. Everett Wilson,
Auburn University, USA; Robert L. Jackson, Auburn University, USA; George T.
Flowers, Auburn University, USA; and Bretton I. Rickett, Molex Inc., USA 7.3 3-Dimensional
Numerical Simulation of Open-Barrel Crimping Process Dmitry Zhmurkin, Tyco Electronics, USA;
Ned Corman, Tyco Electronics, USA; Charles Copper, Tyco Electronics, USA; and
Robert Hilty, Tyco Electronics, USA 7.4 The
Electrical Contact Resistance of Two Rough Surfaces with Varying Phase
Conductivity Daniel Dickrell III, W.G. Sawyer, 7.5 Electrical
Contact Resistance Considering Multi-Scale Roughness W. Everett 3:40pm – 4:00pm Break 4:00pm – 5:20pm Reliability / Safety Chair: H. Czajkowski Co-Chair:
8.1 Methods
of Early Short-Circuit Detection for Low-Voltage Systems Timo Mützel, Frank
Berger, TU 8.2 Thermal
Model of Electrical Contacts Based on Experimental Data Bella Chudnovsky, Albert Livshitz, Schneider Electric/Square D,
USA; and Boris Chudnovsky, Xavier University, USA 8.3 Glowing
Connection Experiments with Alternating Currents below 1 Arms Joe Urbas, 8.4 Comparing 240 Vrms to 120 Vrms Series Arcing Faults in Residential Wire John Shea, Eaton Corporation, 5:20pm TC1
Meeting Wednesday,
29 October 2008 8:00am – 9:40am Connectors III Chair: T. Schoepf Co-Chair: B. Rickett
9.1 A Method
for Power Rating Contacts using Voltage Drop Robert Malucci, RD Malucci
Consulting, 9.2 Auger
Electron Spectroscopic (AES) Measurements on High Aspect Ratio Tin Whiskers 9.3 Wear
Patterns and Life Time of Electric Contacts Jian Song, Christian Koch, University of Applied Sciences HS
OWL, 9.4 Influence
of Substrate Surface Roughness on Tin Whisker Growth 9.5 Influence
of Grafting Properties of Organic Thin Films for Low Level Electrical
Contacts Protection 9:40am
– 10:00am Break 10:00am – 11:00am Power Connectors Chair: P. Slade Co-Chair: B. Chudnovsky 10.1 Aluminum
Foam Transition Washer for Power Connections 10.2 Visualization
of Contact Area for Different Contact Forces using X-Ray Computer Tomography
Antonios Lalechos,
University of Southampton, United Kingdom; Jonathan Swingler, University of
Southampton, United Kingdom; and Jolyon Crane, PG Drives Technology, United
Kingdom
10.3 Nanoindentation
Study of Intermetallic Phases in Al-Cu Bimetallic System 11:00am
– 11:20am Break 11:20am
– 12:20pm Fretting Chair: E. Smith Co-Chair: D. Gagnon
11.1 Modeling
and Analysis of a Blade/Receptacle Pair for the Prediction of
Vibration-Induced Fretting Degradation
Shin-ichi Wada, TMC System
Co., Ltd., Japan; and Koichiro Sawa, Keio University, Japan 11.3 Microscopy
Study of Fretting Corrosion Caused by the Tin Plating Thickness Tetsuya Ito, Shigeru Sawada, Yasuhiro Hattori, AutoNetworks
Technologies, Ltd., Japan; and Yasushi Saitoh, Terutaka Tamai, Kazuo Iida,
Mie University, Japan 12:20pm
– 1:20pm lunch
1:20pm – 3:00pm Contact Materials Chair: J. Witter Co-Chair: P. Wingert
12.1 Arc
Affected Surface Composition Changes in Silver Tin Oxide Contacts Eric Streicher, 12.2 Inlay
Clad Metal for High Temperature Connector Applications Martin Reichart, Clemens Schrank,
Georg Vorlaufer, AC²T research GmbH, Austria 12.4 Quenching
Characteristics of YBCO Bulk Contacts John
McBride,
3:00pm
– 3:20pm Break 3:20pm – 4:20pm Fundamentals Chair: M. Braunovic Co-Chair: J. Shea
13.1 Constriction
Resistance of Thin-Film Contacts Roland Timsit, Timron Scientific
Consulting Inc., 13.2 Peculiarities
in Characteristics between Contact Trace and Contact Resistance of Tin Plated
Contacts Terutaka Tamai, Yasushi Saitoh, 13.3 Analysis
of Contact Resistance Data with Weibull Distribution Function
4:20pm Closing Remarks John Shea Updated 8-25-2008 |