Erosive wear properties of ZA-27 alloy-based nanocomposites: Influence of type, amount, and size of nanoparticle reinforcements

Aleksandar VENCL1; Ilija BOBIC2; Biljana BOBIC3; Kristina JAKIMOVSKA4; Petr SVOBODA5; Mara KANDEVA6

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Erosive wear properties of ZA-27 alloy-based nanocomposites: Influence of type, amount, and size of nanoparticle reinforcements

机译：ZA-27合金基纳米复合材料的磨损磨损性能：纳米颗粒增强材料的类型，数量和尺寸的影响

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机译：Metal matrix nanocomposites(MMnCs)comprise a metal matrix filled with nanosized reinforcements with physical and mechanical properties that are very different from those of the matrix.In ZA-27 alloy-based nanocomposites,the metal matrix provides ductility and toughness,while usually used ceramic reinforcements give high strength and hardness.Tested ZA-27 alloy-based nanocomposites,reinforced with different types(Si C and Al2O3),amounts(0.2 wt.%,0.3 wt.%,and 0.5 wt.%)and sizes(25 nm,50 nm,and 100 nm)of nanoparticles were produced through the compocasting process with mechanical alloying pre-processing(ball milling).It was previously shown that the presence of nanoparticles in ZA-27 alloy-based nanocomposites led to the formation of a finer structure in the nanocomposites matrix and an improvement in the basic mechanical properties(hardness and compressive yield strength)through the enhanced dislocation density strengthening mechanism.Solid particle erosive wear testing demonstrated that these improvements were followed with an increase in the erosive wear resistance of tested nanocomposites,as well.Additionally,by analyzing the influences of type,amount,and size of nanoparticles on the erosive wear resistance of nanocomposites,it was demonstrated that there is an optimal amount of nanoparticles,which in our case is 0.3 wt.%,and that the presence of SiC nanoparticles and smaller nanoparticles in nanocomposites had more beneficial influence on erosive wear resistance.

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《摩擦（英文版）》 |2019年第4期|P.340-350|共11页
作者
Aleksandar VENCL1; Ilija BOBIC2; Biljana BOBIC3; Kristina JAKIMOVSKA4; Petr SVOBODA5; Mara KANDEVA6;
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作者单位

[1]Faculty of Mechanical Engineering University of Belgrade Kraljice Marije 16 Belgrade 11120 Serbia;

[2]Institute of Nuclear Sciences''''Vinca'''' University of Belgrade Mike Petrovi?a Alasa 12-14 Belgrade 11001 Serbia;

[3]Institute of Chemistry Technology and Metallurgy University of Belgrade Njego?eva 12 Belgrade 11000 Serbia;

[4]Faculty of Mechanical Engineering in Skopje Ss.Cyril and Methodius University Karposh II bb Skopje 1000 Macedonia;

[5]Faculty of Mechanical Engineering Brno University of Technology Technická2896/2 Brno 61669 Czech Republic;

[6]Faculty of Industrial Technology Technical University of Sofia 8 Kliment Ohridski Blvd Sofia 1000 Bulgaria;

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收录信息中国科学引文数据库(CSCD);
原文格式 PDF
正文语种 chi
中图分类复合材料;
关键词
ZA-27 alloy; nanocomposites; nanoparticles; compocasting; fractography; erosive wear;

机译：ZA-27合金;纳米复合材料纳米粒子组合广播断层扫描腐蚀磨损;
入库时间 2022-08-19 04:34:10

Erosive wear properties of ZA-27 alloy-based nanocomposites: Influence of type, amount, and size of nanoparticle reinforcements

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