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首页> 外文期刊>Tribology International >Wear behavior of CADI obtained at different austenitizing temperatures
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Wear behavior of CADI obtained at different austenitizing temperatures

机译：在不同奥氏体温度下获得CADI的磨损行为

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摘要

The microstructure, mechanical properties and wear resistance of carbidic austempered ductile iron (CADI) obtained at different austenitizing temperatures were investigated. The dry sliding wear failure mechanism in block-on-ring tester and erosive wear failure mechanism of CADI in the slurry of pH = 4, pH = 10 were analyzed. The results show that with the increase of austenitizing temperature, the hardness and tensile strength of CADI first increase and then decrease, and the wear loss decreases first and then increases. The shedding of carbides in corrosive media and the deformation of the matrix around the graphite nodules are the main failure mechanisms in corrosive wear. In addition, abrasive wear and adhesive wear are the main failure mechanism under dry sliding wear condition.
机译：研究了在不同奥氏体化温度下获得的碳酸性稳态延性铁（CADI）的微观结构，机械性能和耐磨性。 分析了在pH = 4的浆液中嵌入嵌入环测试仪和腐蚀磨损机理的干滑动磨损机制，pH = 10。 结果表明，随着奥氏体化温度的增加，CADI的硬度和拉伸强度首先增加，然后减少，并且首先增加磨损损失，然后增加。 腐蚀性介质中的碳化物的缩小和围绕石墨结节的基质的变形是腐蚀性磨损中的主要故障机制。 此外，磨料磨损和粘合剂磨损是干滑动磨损条件下的主要故障机制。

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