首页> 外文期刊>Journal of Materials Engineering and Performance >Corrosive Wear Behavior of 201 4 and 6061 Aluminum Alloy CompositesRapid Prototyping of Extrusion Dies
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Corrosive Wear Behavior of 201 4 and 6061 Aluminum Alloy CompositesRapid Prototyping of Extrusion Dies

机译:201 4和6061铝合金复合材料的腐蚀磨损行为挤出模的快速成型

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摘要

Alloys of 2014 and 6061 aluminum reinforcedwith 0.1 volume fraction of alumina particles (VFAP)were subjected to impact scratching during a corrosivewear process. The transient currents generated due tothe impact were measured in the two composites as wellas in their respective monoliths. The effect ofsolutionizing time on the transient currents wascorrelated to the near surface microstructures, scratchmorphology, concentration of quenched-in vacancies, andchanges in grain sizes. It was observed that thetransient current values increase with an increase insolutionizing time, indicating that the corrosive wearbehavior is not strongly affected by the grainboundaries. However, a combination of pitting and thegalvanic corrosion may account for the typical corrosivewear behavior exhibited by the alloys and the composites of this study.
机译:在腐蚀磨损过程中,采用0.1体积分数的氧化铝颗粒(VFAP)加固的2014合金和6061铝合金受到冲击刮擦。在两种复合材料以及它们各自的整体中测量了由于冲击而产生的瞬态电流。固溶时间对瞬态电流的影响与表面微观结构,划痕形态,淬火空位浓度以及晶粒尺寸的变化有关。观察到瞬态电流值随着固溶时间的增加而增加,表明腐蚀磨损行为不受晶界的强烈影响。然而,点蚀和电腐蚀的组合可能解释了本研究的合金和复合材料表现出的典型腐蚀磨损行为。

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