成分和时效硬化对贵金属电触点的影响

Electrical Contacts, 1988., Proceedings of the Thirty Fourth Meeting of the IEEE Holm Conference on Electrical Contacts Pub Date : 1900-01-01 DOI:10.1109/HOLM.1988.16117

L. Pope, D. Peebles

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引用次数: 1

摘要

采用针对板实验配置，评估了两种不同的钯合金针(ASTM B540和ASTM B563)在两种温度下时效硬化的金合金板(ASTM B541)上滑动的情况。对于除高钯含量合金(ASTM B563)外的所有试验条件组合，观察到两个阶段的磨损:(1)在钯合金销上形成了金合金的头;(2)随着金合金材料的转移和回转移，磨损轨迹发生加工硬化和粗化。使用高钯合金销，形成摩擦聚合物，用于实验室空气测试。本文报道了空气、低分压O/sub / 2和大气压He的针板试验结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effects of composition and age hardening on precious metal electrical contacts

A pin-on-plate experimental configuration was used to evaluate two different palladium-alloy pins (ASTM B540 and ASTM B563) sliding on a gold-alloy plate (ASTM B541) age-hardened at two temperatures. For all combinations of test conditions except the higher-palladium-content alloy (ASTM B563), two stages of wear were observed: (1) a prow of Au alloy was formed on the palladium-alloy pin, and (2) work hardening and roughening of the wear track occurred with transfer and backtransfer of Au-alloy material. With the higher-palladium-alloy pin, a friction polymer was formed for laboratory air testing. Results of pin-on-plate tests for air, low partial pressures of O/sub 2/, and atmospheric pressure He are reported.<>

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来源期刊

Electrical Contacts, 1988., Proceedings of the Thirty Fourth Meeting of the IEEE Holm Conference on Electrical Contacts

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