ZrO <sub>2</sub>纳米颗粒对镁合金纳米复合材料摩擦力学行为的影响

Q3 Engineering

SAE Technical Papers Pub Date : 2023-11-10 DOI:10.4271/2023-28-0130

Chandradass J, Thirugnanasambandham T, R Rajendran, Palanivendhan Murugadoss

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引用次数: 0

摘要

>< > div class="htmlview段落">由硬质陶瓷颗粒经常规工艺制备的镁合金纳米复合材料具有低密度、高强度、可浇注性和良好的耐磨性等特点，是一种很有前途的汽车材料。本研究通过搅拌铸造的方法，加入1wt%、3wt%和5wt%的二氧化锆(ZrO<sub>2</sub>)纳米颗粒，以提高氧化铝纳米颗粒(10wt %)增强镁合金(Mg/Al)复合材料的摩擦力学性能。将复合材料的抗拉强度、冲击韧性、硬度和磨损率与(10wt %)氧化铝纳米颗粒增强镁合金复合材料进行比较。纳米复合材料含有3wt% ZrO<sub>2</sub>最大冲击强度为22.8 J/mm<sup>2</sup>在5wt% ZrO<sub>2</sub>时获得最大抗拉强度(88.9MPa)、硬度(124.5BHN)和耐磨性(20N时9.802mm<sup>3</sup>/m)。镁合金纳米复合材料</div></div>

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Effect of ZrO <sub>2</sub> Nanoparticles Loading on the Tribo-Mechanical Behavior of Magnesium Alloy Nanocomposites

Magnesium alloy nanocomposite prepared with hard ceramic particles via conventional technique is a promising future material for automotive applications due to its unique characteristics like low density, high strength, castability, and good wear resistance. The present study is to enhance the tribo-mechanical properties of alumina nanoparticle (10wt %) reinforced magnesium alloy (Mg/Al) composite by incorporating 1wt%, 3wt%, and 5wt% zirconium dioxide (ZrO₂) nanoparticles through stir casting method. The tensile strength, impact toughness, hardness, and wear rate of developed composites were compared with (10wt %) alumina nanoparticles reinforced magnesium alloy composite. The nanocomposite containing 3wt% ZrO₂ shows maximum impact strength of 22.8 J/mm². The maximum tensile strength (88.9MPa), hardness (124.5BHN), and wear resistance (9.802mm³/m at 20N) are obtained for 5wt% ZrO₂ magnesium alloy nanocomposite.

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来源期刊

SAE Technical Papers Engineering-Industrial and Manufacturing Engineering

CiteScore

1.00

自引率

0.00%

发文量

1487

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