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超聲原位Al2Y /AZ91鎂基復(fù)合材料流變模型研究
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作者單位:

南昌大學(xué),南昌大學(xué)

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中圖分類號(hào):

TG146. 2; TG249. 9

基金項(xiàng)目:

the National Natural Science Foundation of China(No.51165032，51364035), Project Funded by the Ministry of Education Tied up with the Special Research Fund for the Doctoral Program for Higher Shool( 20133601110001), Innovative Group of Science and Technology of College of Jiangxi Province (00008713), Production and Teaching and Research Cooperation Plan of Nanchang Non-party Experts and Doctor (2012-CYH-DW-XCL-002) and Special Funds for Postgraduate Innovation of Jiangxi Province.


Study on the rheological model of semi-solid Al2Y/AZ91 magnesium matrix composites slurry prepared by ultrasonic vibration
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NangChang Uinversity,NangChang Uinversity

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    摘要:

    利用高能超聲法原位制備Al2Y /AZ91鎂基復(fù)合材料半固態(tài)漿料，對(duì)其半固態(tài)表觀粘度進(jìn)行測(cè)量，實(shí)驗(yàn)表明：半固態(tài)Al2Y /AZ91鎂基復(fù)合材料表觀粘度隨固相分?jǐn)?shù)和Al2Y的體積分?jǐn)?shù)的增加而增大，半固態(tài)表觀粘度與固相分?jǐn)?shù)之間關(guān)系按指數(shù)規(guī)律變化，在相同的實(shí)驗(yàn)條件下，半固態(tài)表觀粘度隨超聲功率增大而減小。在對(duì)實(shí)驗(yàn)數(shù)據(jù)擬合的基礎(chǔ)上，建立了半固態(tài)Al2Y /AZ91鎂基復(fù)合材料的流變模型。

    Abstract:

    Semi-solid Al2Y/AZ91 magnesium matrix composites slurry was prepared by ultrasonic vibration, and the apparent viscosity of semi-solid slurry was measured as well. According to the experimental results, with the increase the of volume fraction of Al2Y the apparent viscosity of semi-solid Al2Y/AZ91 magnesium matrix composites slurry increases, the relationship between apparent viscosity and solid fraction varies according to the exponential law, under the same experimental conditions, the apparent viscosity decreases with the increase of ultrasonic power. Based on the experimental data fitting, the rheological model of semi-solid Al2Y/AZ91 magnesium matrix composites prepared by ultrasonic vibration was established.

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引用本文

黃文先,閆洪.超聲原位Al2Y /AZ91鎂基復(fù)合材料流變模型研究[J].稀有金屬材料與工程,2016,45(9):2227~2231.[huangwenxian, yan hong. Study on the rheological model of semi-solid Al2Y/AZ91 magnesium matrix composites slurry prepared by ultrasonic vibration[J]. Rare Metal Materials and Engineering,2016,45(9):2227~2231.]
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  • 收稿日期:2014-06-16
  • 最后修改日期:2014-07-11
  • 錄用日期:2014-08-12
  • 在線發(fā)布日期: 2016-10-09
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