Microstructure evolution and tensile properties of Ti-(Al_xTi_y) core-shell structured particles reinforced aluminum matrix composites after hot- rolling/heat-treatment

Zheng-Yang Hu; Zhao-Hui Zhang; Xing-Wang Cheng; Qi Song; Shi-pan Yin; Hao Wang; Fu-Chi Wang

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Microstructure evolution and tensile properties of Ti-(Al_xTi_y) core-shell structured particles reinforced aluminum matrix composites after hot- rolling/heat-treatment

机译：热轧/热处理后Ti-（Al_xTi_y）核壳结构颗粒增强铝基复合材料的组织演变和拉伸性能

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摘要

Microstructures and tensile-properties of spark plasma sintered aluminum matrix composites(AMC) reinforced with (Ti-AlxTiy) core-shell structured(CSS) particles have been studied after hot-rolling/heat-treatment. The formation of CSS-particles restrained grain-boundary sliding and greatly enhanced dislocation-density during hot-rolling at 400 °C, resulting in the highest tensile-strength (~454 MPa) of AMC. Besides, the intermetallic-shell and soft Ti-core improved the ductility of AMC after heat-treatment (466 °C/2 h+water-quenching +120 °C/24 h).

机译：研究了Ti-AlxTiy核壳结构（CSS）颗粒增强火花等离子体烧结铝基复合材料（AMC）在热轧/热处理后的组织和拉伸性能。 CSS颗粒的形成抑制了晶界滑动，并在400 C的热轧过程中大大提高了位错密度，从而使AMC的拉伸强度最高（〜454 MPa）。此外，金属间壳和软Ti核可提高热处理后（466 C / 2 h +水淬+120 C / 24 h）的AMC延展性。

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来源
《Materials Science and Engineering》 |2018年第8期|90-93|共4页
作者
Zheng-Yang Hu; Zhao-Hui Zhang; Xing-Wang Cheng; Qi Song; Shi-pan Yin; Hao Wang; Fu-Chi Wang;
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作者单位

School of Materials Science and Engineering, Beijing Institute of Technology;

School of Materials Science and Engineering, Beijing Institute of Technology;

School of Materials Science and Engineering, Beijing Institute of Technology;

School of Materials Science and Engineering, Beijing Institute of Technology;

School of Materials Science and Engineering, Beijing Institute of Technology;

School of Materials Science and Engineering, Beijing Institute of Technology;

School of Materials Science and Engineering, Beijing Institute of Technology;

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正文语种 eng
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关键词
Al-alloy matrix composite; Heat-treatment; Hot-rolling; Tensile property;

机译：铝合金基复合材料;热处理;热轧;拉伸性能;

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1. A rapid route for synthesizing Ti-(Al_xTi_y/UFG Al) core-multishell structured particles reinforced Al matrix composite with promising mechanical properties [J] . Zheng-Yang Hu, Zhao-Hui Zhang, Hu Wang, Materials Science and Engineering . 2018,第APRa4期

机译：具有良好机械性能的Ti-（Al_xTi_y / UFG Al）核-多壳结构颗粒增强Al基复合材料的快速合成途径
2. Processing, microstructure and tensile properties of nano-sized Al_2O_3 particle reinforced aluminum matrix composites [J] . Hai Su, Wenli Gao, Zhaohui Feng, Materials & design . 2012,第Apra期

机译：纳米Al_2O_3颗粒增强铝基复合材料的制备，显微组织和拉伸性能
3. Microstructure evolution and mechanical properties of micro-/nano-bimodal size B4C particles reinforced aluminum matrix composites prepared by SPS followed by HER [J] . Liu Ruifeng, Wang Wenxian, Chen Hongsheng, Vacuum: Technology Applications & Ion Physics: The International Journal & Abstracting Service for Vacuum Science & Technology . 2018,第期

机译：微观/纳米双峰尺寸B4C颗粒增强铝基基复合材料的微观结构演化与力学性能
4. Effect of heat-treatment on microstructure and properties of SiC particulate-reinforced aluminum matrix composite [C] . WU Chuan-jian, WANG Yu-fang ICNFM 2007;International Workshop on Nonferrous Materials . 2007

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5. The microstructure-processing-property relationships in an aluminum matrix composite system reinforced by aluminum-copper-iron alloy particles. [D] . Tang, Fei. 2004

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Microstructure evolution and tensile properties of Ti-(Al_xTi_y) core-shell structured particles reinforced aluminum matrix composites after hot- rolling/heat-treatment

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