Verfestigung und Verschlei?verhalten von wei?en Gu?eisen bei abrasiver Beanspruchung

Verfestigung und Verschlei?verhalten von wei?en Gu?eisen bei abrasiver Beanspruchung
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Verfestigung und Verschlei?verhalten von wei?en Gu?eisen bei 磨料 Beanspruchung

DOI:
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发表时间:
1996
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影响因子:
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通讯作者:
M. Pohl
M. Pohl
中科院分区:
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文献类型:
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作者:
K. S. Al;M. Pohl

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白口铸铁经常用于防止极端载荷条件下的磨料磨损。这些合金的显微组织和力学性能对其磨损率的控制起着重要作用。关于机械性能,据报道,体硬度本身不足以描述磨损行为。研究表明,由磨损过程引起的加工硬化对材料的耐磨性有重要影响。在本研究中,采用针磨损试验,研究了Ni-Hard 4和高铬白口铸铁的磨损行为。本研究结果有助于探讨加工硬化与磨料磨损行为之间的相关机制。
White cast irons are frequently used against abrasive wear under extreme loading conditions. The microstructure and the mechanical properties of these alloys play an important role to control their wear rates. Regarding the mechanical properties, it has been reported that the bulk hardness alone is not enough to describe the wear behaviour. Generally, it has been shown that the work hardening induced by the wear process has an essential effect on the abrasion resistance. In this investigation, using a pin abrasion test, the wear behaviour of Ni-Hard 4 and high chromium white cast irons has been studied. The results of this study contribute to discuss the correlation mechanisms between work hardening and abrasive wear behaviour.