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含二十面體準(zhǔn)晶相Mg-Zn-Y合金的定量強(qiáng)化評(píng)價(jià)
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作者單位:

1.內(nèi)蒙古工業(yè)大學(xué) 理學(xué)院，內(nèi)蒙古 呼和浩特 010051;2.內(nèi)蒙古工業(yè)大學(xué) 航空學(xué)院，內(nèi)蒙古 呼和浩特 010051

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基金項(xiàng)目:

National Natural Science Foundation of China (12072166); the Inner Mongolia Autonomous Region Science and Technology Plan Project (2021GG0254); the Key Laboratory of Infinite-dimensional Hamiltonian System and Its Algorithm Application (Inner Mongolia Normal University), Ministry of Education，( 2023KFZD02); the Inner Mongolia Autonomous Region Applied Mathematics Center Independent Research Key Project (No.ZZYJZD2022002); and the Inner Mongolia Autonomous Region Universities Basic Scientific Business Fee Research Project (JY20220075).


Quantitative Strengthening Evaluation of Mg-Zn-Y Alloys Containing Icosahedral Quasi-Crystalline Phase
Author:
Affiliation:

1.College of Science, Inner Mongolia University of Technology, Hohhot 010051, China;2.College of Aeronautics, Inner Mongolia University of Technology, Hohhot 010051, China

Fund Project:

National Natural Science Foundation of China (12072166); Inner Mongolia Autonomous Region Science and Technology Plan Project (2021GG0254); Supported by Key Laboratory of Infinite-Dimensional Hamiltonian System and Its Algorithm Application (Inner Mongolia Normal University), Ministry of Education (2023KFZD02); Inner Mongolia Autonomous Region Applied Mathematics Center Independent Research Key Project (ZZYJZD2022002); Inner Mongolia Autonomous Region Universities Basic Scientific Business Fee Research Project (JY20220075)

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    摘要:

    采用普通凝固法制備了含二十面體準(zhǔn)晶相的Mg-4.8Zn-0.8Y、Mg-18Zn-3Y、Mg-15Zn-5Y、Mg-30Zn-5Y和Mg-42Zn-7Y （wt%）合金，研究了Mg基體孔隙率對(duì)合金抗拉伸強(qiáng)度和硬度的影響，并利用掃描電鏡和Image-Pro Plus 6.0軟件定量分析了鎂基體孔隙率。室溫拉伸試驗(yàn)表明，合金的最大抗拉伸強(qiáng)度為175.56 MPa，鎂基體孔隙率為76.74%。通過擬合分析發(fā)現(xiàn)，當(dāng)鎂基體孔隙率為64.87%時(shí)，合金抗拉伸強(qiáng)度最大。硬度測(cè)試表明，隨著鎂基體孔隙率的增加，合金硬度逐漸減小。本研究為提高鎂合金的力學(xué)性能提供了有效的定量分析方法。

    Abstract:

    Mg-4.8Zn-0.8Y, Mg-18Zn-3Y, Mg-15Zn-5Y, Mg-30Zn-5Y and Mg-42Zn-7Y (wt%) alloys containing icosahedral quasi-crystalline phases were prepared using the ordinary solidification method. The impact of Mg matrix porosity on the tensile strength and hardness of the alloys was studied. The porosity of the Mg matrix was quantitatively assessed using scanning electron microscope and Image-Pro Plus 6.0 software. Tensile tests were conducted at room temperature. Results show that the maximum tensile strength of the alloy is 175.56 MPa, with a corresponding Mg matrix porosity of 76.74%. Through fitting analysis, it is determined that the maximum tensile strength is achieved when the porosity of the Mg matrix is 64.87%. The microhardness test results indicate a gradual decrease in alloy hardness with increasing the porosity of Mg matrix. This study provides an effective quantitative analysis method for enhancing the mechanical properties of magnesium alloys.

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引用本文

王瑩楠,孟曉凱,郭俊宏.含二十面體準(zhǔn)晶相Mg-Zn-Y合金的定量強(qiáng)化評(píng)價(jià)[J].稀有金屬材料與工程,2025,54(3):612~617.[Wang Yingnan, Meng Xiaokai, Guo Junhong. Quantitative Strengthening Evaluation of Mg-Zn-Y Alloys Containing Icosahedral Quasi-Crystalline Phase[J]. Rare Metal Materials and Engineering,2025,54(3):612~617.]
DOI：10.12442/j. issn.1002-185X.20240183

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  • 收稿日期:2024-03-27
  • 最后修改日期:2024-05-08
  • 錄用日期:2024-05-09
  • 在線發(fā)布日期: 2025-03-25
  • 出版日期: 2025-03-25