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Analysis of Fe-base Materials and Evaluation of their Suitability for Wear Protection Coatings

机译：铁基材料的分析及其在耐磨涂层中的适用性评估

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Recently much research work has been undertaken worldwide to develop iron base materials which can be used for thermal spraying of anti-wear coatings. Besides economical ideas reasons exist like health- and environmental aspects for the usability of iron base materials instead of Ni- or Co containing carbide coatings. Until now, however, iron base materials showed a worse life time under abrasive wear compared with conventional carbide coatings like WC/CO or NiCr-CrC. This article presents the research work on new iron base materials for wear protection purposes. Thereby, the focus is set on high carbon containing iron-chromium base alloys which solidify under the formation of primary carbides. The material development included the study of different additional alloying elements. The relation of different chemical compositions and their typical microstructure to the wear behaviour is presented in this paper, too. To follow an integral way for the evaluation of the wear behaviour both powders and cored-wires could be produced. Therefore the wear tests considered coatings produced via HVOF, PTA and arcspraying.
机译：最近，世界范围内已经进行了许多研究工作，以开发可用于热喷涂抗磨涂层的铁基材料。除了经济上的想法外，还有一些原因，例如从健康和环境方面考虑，需要使用铁基材料代替含Ni或Co的硬质合金涂层。然而，到目前为止，与诸如WC / CO或NiCr-CrC的常规碳化物涂层相比，铁基材料在磨料磨损下的使用寿命更长。本文介绍了用于磨损防护的新型铁基材料的研究工作。因此，焦点集中在高碳含量的铁-铬基合金上，该合金在一次碳化物的形成下固化。材料开发包括对其他附加合金元素的研究。本文还介绍了不同化学成分及其典型的微观结构与磨损行为的关系。为了遵循一种整体方法来评估磨损性能，可以生产粉末和芯线。因此，磨损测试考虑了通过HVOF，PTA和电弧喷涂生产的涂层。

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