Correlation of processing route and heat treatment with the abrasive wear resistance of a plastic mold steel

Correlation of processing route and heat treatment with the abrasive wear resistance of a plastic mold steel
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塑料模具钢加工路线和热处理与耐磨料磨损性能的相关性

DOI:
10.1002/mawe.201200865
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发表时间:
2012
影响因子:
1.1
通讯作者:
V. Wesling
V. Wesling
中科院分区:
材料科学4区
文献类型:
--
作者:
H. Hill;M. Kunze;C. Heet;A. Petsch;S. Weber;R. Reiter;P. Giese;W. Theisen;V. Wesling

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聚合物的加工需要使用与原料材料直接接触的耐腐蚀和耐磨工具材料。耐腐蚀冷作工具钢,即所谓的塑料模具钢,在这里得到了成功的应用,提供了良好的耐磨性和耐腐蚀性。该工具的寿命取决于所应用的热处理,但加工路线也对所得性能有明显的影响。在这项工作中,不同的粉末冶金路线,如热等静压,堆焊(等离子体转移弧(PTA))和热喷涂(高速氧燃料(HVOF)和大气等离子喷涂(APS))被应用于低合金建筑钢上生产涂层。涂层进行了比较,在微观结构的变化和适当的热处理的可行性。本文讨论的战略,以最大限度地提高耐磨性的热处理和加工过程中所产生的微观结构的变化。
The processing of polymers necessitates the use of corrosion and wear resistant tool materials being in direct contact with the feedstock material. Corrosion resistant cold work tool steels, the so called plastic mold steels, are successfully applied here, offering both a good wear and corrosion resistance. The lifetime of this tool depends on the applied heat treatment but also the processing route has a distinct effect on the resulting properties. In this work, different powder metallurgical routes like hot isostatic pressing, build‐up welding (plasma transfer arc (PTA)) and thermal spraying (high velocity oxy fuel (HVOF) and atmospheric plasma spraying (APS)) were applied to produce coatings on low‐alloyed construction steel. Coatings are compared in relation to the changes in microstructure and the feasibility of an adequate heat treatment. This paper discusses strategies to maximize wear resistance in dependence of heat treatment and the microstructural changes arising from the processing.
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