车轮/轨道接口中第三车身材料的双盘评估

IF 1.6 Q4 MATERIALS SCIENCE, COATINGS & FILMS

Tribology - Materials, Surfaces & Interfaces Pub Date : 2020-11-04 DOI:10.1080/17515831.2020.1829878

D. Gutsulyak, L. Stanlake, H. Qi

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引用次数: 10

摘要

摘要双圆盘仪器是评估轮轨界面中第三体材料的重要工具。双圆盘测试结果（来自两个不同规模的仪器）被证明与Top of Rail产品和Gauge Face润滑脂的现场性能非常相关。此外，还利用双圆盘仪器评估了TOR材料的摩擦特性（蠕变曲线）和滚动接触疲劳（RCF）传播潜力。研究了常见的环境污染物（树叶、粘土、氧化铁）在存在水的情况下导致低粘附条件的可能性。确定了材料硬度和由此产生的摩擦水平之间的相关性。图形摘要

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Twin disc evaluation of third body materials in the wheel/rail interface

ABSTRACT Twin disc instruments are an essential tool for evaluating third body materials in the wheel/rail interface. Twin disc testing results (from two different scale instruments) were proven to correlate exceptionally well with field performance of Top of Rail products and Gauge Face greases. Furthermore, the twin disc instrument was utilized to evaluate the friction characteristics (creep curve) and Rolling Contact Fatigue (RCF) propagation potential of the TOR materials. Common environmental contaminants (leaves, clay, iron oxides) were studied for their potential to cause low adhesion conditions in presence of water. A correlation between material hardness and resultant friction levels was determined. GRAPHICAL ABSTRACT

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来源期刊

Tribology - Materials, Surfaces & Interfaces MATERIALS SCIENCE, COATINGS & FILMS-

CiteScore

2.80

自引率

0.00%

发文量