ISSN   1004-0595

CN  62-1095/O4

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张秋阳, 丁红燕, 周广宏, 张临财, 陈秋明, 秦珂, 戴玉娇. 含Fe2O3摩擦层的促进形成对H13和45钢磨损性能的影响[J]. 摩擦学学报, 2017, 37(6): 823-830. DOI: 10.16078/j.tribology.2017.06.014
引用本文: 张秋阳, 丁红燕, 周广宏, 张临财, 陈秋明, 秦珂, 戴玉娇. 含Fe2O3摩擦层的促进形成对H13和45钢磨损性能的影响[J]. 摩擦学学报, 2017, 37(6): 823-830. DOI: 10.16078/j.tribology.2017.06.014
ZHANG Qiuyang, DING Hongyan, ZHOU Guanghong, ZHANG Lincai, CHEN Qiuming, QIN Ke, DAI Yujiao. Formation of Tribo-Layer in the Presence of Fe2O3 Particles and Its Influence on Wear Performance of H13 and 45 Steel[J]. TRIBOLOGY, 2017, 37(6): 823-830. DOI: 10.16078/j.tribology.2017.06.014
Citation: ZHANG Qiuyang, DING Hongyan, ZHOU Guanghong, ZHANG Lincai, CHEN Qiuming, QIN Ke, DAI Yujiao. Formation of Tribo-Layer in the Presence of Fe2O3 Particles and Its Influence on Wear Performance of H13 and 45 Steel[J]. TRIBOLOGY, 2017, 37(6): 823-830. DOI: 10.16078/j.tribology.2017.06.014

含Fe2O3摩擦层的促进形成对H13和45钢磨损性能的影响

Formation of Tribo-Layer in the Presence of Fe2O3 Particles and Its Influence on Wear Performance of H13 and 45 Steel

  • 摘要: Fe2O3是钢材高温或高速干滑动表面摩擦氧化物层的重要构成. 本文作者通过在H13钢、45钢/GCr15钢的滑动界面添加Fe2O3纳米颗粒,试图促进保护性摩擦氧化物层的快速形成,避免了高温恶化材料的机械性能. 研究了Fe2O3对H13钢和45钢磨损性能的影响,分析了摩擦氧化物层的形成机理,并探讨了基体硬度对摩擦氧化物层的作用. 研究结果表明:无添加时,低硬度45钢的耐磨性明显差于高硬度的H13钢;GCr15钢在与45钢对摩时,磨损率也明显大于与H13钢对摩时. 添加Fe2O3后,纳米颗粒在H13和GCr15钢表面迅速相互黏着并形成保护性的摩擦氧化物层,导致磨损率急剧下降,且随载荷增加仅轻微波动. 而较软45钢基体对摩擦氧化物层的支撑能力较弱,摩擦氧化物层破碎,高载下磨损率明显大于低载下.

     

    Abstract: Fe2O3 is an important component in tribo-oxide layers of steels in sliding at a high temperature or a high speed. In this paper, Fe2O3 nanoparticles were added onto the sliding interface of H13 steel/GCr15 steel and 45 steel/GCr15 steel contacts to promote the rapid formation of tribo-oxide layer and avoid the deterioration of mechanical properties of materials due to high temperature. The effect of Fe2O3 particles at tribo-interface on wear performance of H13 and 45 steel was investigated, the forming mechanism of tribo-oxide layer was analyzed and the role of substrate hardness was also investigated. The results show that the wear resistance of 45 steel was significantly lower than that of H13 steel with no Fe2O3 particles. The wear rate of GCr15 steel against H13 steel was higher than that of GCr15 against 45 steel. Coalescence of Fe2O3 nanoparticles gave birth to tribo-oxide layer on the worn surfaces of H13 and GCr15 steel, resulting in an obvious decrease of wear rate. The wear rate of 45 steel under a high load was higher than that under a low load, which was due to fracture of the tribo-oxide layers.

     

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