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首页> 外文期刊>Materials Science and Engineering >Enhanced load transfer and ductility in Al-9Ce alloy through heterogeneous lamellar microstructure design by cold rolling and annealing
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Enhanced load transfer and ductility in Al-9Ce alloy through heterogeneous lamellar microstructure design by cold rolling and annealing

机译：通过冷轧和退火通过异质层状微观结构设计增强了Al-9Ce合金中的负载转移和延展性

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摘要

Al-Ce alloy has attracted much attention due to its outstanding heat resistance and castability. To further improve the performance of Al-Ce alloy, a two-phase heterogeneous lamellar structure was designed with oriented Al_(11)Ce_3 particles, fine grains, and coarse grains in layers in Al-Ce hypoeutectic alloy through cold rolling and annealing. Higher strength and better ductility were obtained compared with the as-cast alloy with the same composition. Mechanism of strengthening and ductility were analyzed by experimental findings and theoretical calculations. The results revealed that fine-grained eutectic aluminum in bimodal structure and the load transfer of oriented Al_(11)Ce_3 particles contribute much to the alloy strength. The coarse Al grains in the bimodal structure and the lamellar structure lead to good ductility. The idea of strengthening and toughening Al-Ce alloy is provided, and the process discovered here is amenable to large-scale industrial production at low cost.
机译：由于其出色的耐热性和可塑造性，Al-Ce合金引起了很多关注。 为了进一步改善Al-Ce合金的性能，通过冷轧和退火设计了一种双相非均相层状结构，设计成用定向的Al_（11）Ce_3颗粒，细颗粒和Al-Ce低植物合金层中的粗晶粒。 与具有相同组成的铸造合金相比，获得了更高的强度和更好的延展性。 通过实验结果和理论计算分析了强化和延展性的机制。 结果表明，双峰结构中的细粒共晶铝和定向Al_（11）Ce_3颗粒的负载转移有助于合金强度。 双峰结构和层状结构中的粗铝颗粒导致良好的延展性。 提供了加强和增韧Al-Ce合金的思想，这里发现的过程适用于低成本的大规模工业生产。

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  • 来源
    《Materials Science and Engineering》 |2021年第21期|141591.1-141591.9|共9页
  • 作者

    Chi Zhang; Yufei Wang; Haiyang Lv; Haiyan Gao; Jun Wang; Baode Sun;

  • 作者单位

    Shanghai Key Laboratory of Advanced High-temperature Materials and Precision Forming School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China;

    Shanghai Key Laboratory of Advanced High-temperature Materials and Precision Forming School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China;

    Shanghai Key Laboratory of Advanced High-temperature Materials and Precision Forming School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China;

    Shanghai Key Laboratory of Advanced High-temperature Materials and Precision Forming School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China;

    Shanghai Key Laboratory of Advanced High-temperature Materials and Precision Forming School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China;

    Shanghai Key Laboratory of Advanced High-temperature Materials and Precision Forming School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Aluminum alloy; Load transfer; Ductility; Lamellar microstructure; Cold rolling;

    机译：铝合金;负载转移;延展性;层状微观结构;冷轧;

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