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The Effects of Molding Materials on Microstructure and Wear Behavior of A356 Alloy

机译：成型材料对A356合金的组织和磨损行为的影响

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摘要

In this study, the effect of molding materials on microstructure and wear behavior of A356 alloy was investigated. Different microstructures were obtained by casting A356 alloy into the molds made from three different materials. Homogenization and aging heat treatments were applied as cast blocks. The aged samples were tested by pin-on-disk-type standard wear equipment. The results showed that casting into different mold materials resulted in different microstructures of A356 alloy. Microstructures of the Al-Si-Mg alloy differ depending on the mold materials. Secondary dendrite arm space (SDAS) decreased proportionally with increasing cooling rate. Based on the cooling rate, hardness values of the alloy also differ. As the cooling rate increased, hardness of the alloy increased. The SDAS increased due to the decreasing cooling rate. In wear tests, increasing weight loss was observed with decreasing cooling rate.
机译：在这项研究中，研究了成型材料对A356合金的组织和磨损行为的影响。通过将A356合金铸造到由三种不同材料制成的模具中，可以获得不同的微观结构。均质化和时效热处理用作铸块。通过针盘式标准磨损设备测试老化的样品。结果表明，铸造到不同的模具材料中会产生不同的A356合金显微组织。 Al-Si-Mg合金的微观结构因模具材料而异。二次枝晶臂空间（SDAS）随着冷却速率的增加而成比例地减小。基于冷却速率，合金的硬度值也不同。随着冷却速度的增加，合金的硬度增加。 SDAS由于冷却速度的降低而增加。在磨损测试中，随着冷却速度的降低，重量损失增加。

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  • 来源
    《High temperature materials and processes》 |2017年第5期|515-521|共7页
  • 作者

    Musa Yildirim; Dursun OEzyuerek; Tansel Tuncay;

  • 作者单位

    Department of Manufacturing Engineering, Technology Faculty, Karabuk University, Karabuk, Turkey;

    Department of Manufacturing Engineering, Technology Faculty, Karabuk University, Karabuk, Turkey;

    Department of Manufacturing Engineering, Technology Faculty, Karabuk University, Karabuk, Turkey;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A356; cooling rate; wear behavior;

    机译：A356;冷却速度磨损行为;

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