Search Results - "Wingert, P.C."

The effects of CdO on the static gap arc erosion of silver-based contacts by Wingert, P.C., Horn, G.

“…A series of homopolar static gap electrical tests made to evaluate the effects of adding cadmium, as a metal to form an alloy or as an oxide to form a…”
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The effects of interrupting elevated currents on the erosion and structure of silver-graphite by Wingert, P.C.

“…The surfaces of silver-5% graphite contacts are greatly disrupted when they are subjected to the interruption of arcs of over 1000 amperes. This paper…”
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The effects of nickel on the switching performance of silver-tungsten-based contacts by Wingert, P.C.

“…Silver-tungsten-based contacts are commonly used in air circuit breakers. The most common contact-related problems for devices using this type of material are…”
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Corrosion of braze joints by hydrogen sulfide by Wingert, P.C., Leung, C.H.

“…The early field failure of some motor control contactors due to the separation of the contacts from the copper arms to which they had been brazed was…”
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The detection and effects of oxide layers on silver-refractory contact surfaces by Wingert, P.C.

“…It is known that high contact resistance after repetitive switching operations or the interruption of elevated currents can be a problem when silver-refractory…”
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Testing of the thermal-stress-cracking characteristics of silver-refractory contacts by Wingert, P.C.

“…Thermal stress cracking is an important mode of contact material degradation, especially in composite silver-refractory contact materials for circuit breaker…”
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The development of silver-based cadmium-free contact materials by Wingert, P.C., Leung, C.H.

“…A procedure is described that allows contact material compositions to be developed by a systematic progression through several levels of component evaluations…”
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The effects of CdO on the static gap arc erosion of silver-based contacts by Wingert, P.C., Horn, G.

“…Homopolar static gap electrical tests are used to evaluate the effects of adding cadmium as a metal to form an alloy, or as an oxide to form a composite on the…”
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Microstructure effects on dynamic welding of Ag/W contacts by Leung, C.-H., Wingert, P.C.

“…A computer-controlled device was used to simulate contact bounce on closing to evaluate the dynamic weld strength of some silver-tungsten contact materials…”
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The development of silver-based cadmium-free contact materials by Wingert, P.C., Leung, C.-H.

“…A systematic procedure for developing improved contact materials is presented. Utilization of the procedure is described in detail for the development of an…”
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The effects of graphite particle size and processing on the performance of silver-graphite contacts by Wingert, P.C., Allen, S.E., Bevington, R.C.

“…The effects of two variables, graphite particle size and sintered density, on the contact performance of silver-4 wt.% graphite materials were evaluated…”
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