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球磨對Zr-Cu-Al-Ni金屬玻璃粉末結(jié)構(gòu)與吸放氫性能的影響
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南京理工大學機械工程學院,南京理工大學機械工程學院,南京理工大學機械工程學院

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Influence of ball-milling on the structure and hydrogen absorption-desorption behavior of Zr-Cu-Al-Ni metallic glass powders
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School of Mechanical Engineering,Nanjing University of Science and Technology,School of Mechanical Engineering,Nanjing University of Science and Technology,School of Mechanical Engineering,Nanjing University of Science and Technology

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    摘要:

    本文研究了球磨對氣霧化法所制備的Zr50.7Cu28Al12.3Ni9金屬玻璃粉末結(jié)構(gòu)與吸放氫性能的影響。氣霧化的金屬玻璃粉末在經(jīng)過80 h的球磨后，仍呈現(xiàn)為非晶態(tài)。球磨對金屬玻璃粉末吸放氫性能的影響在一臺全自動Sieverts裝置上進行了測量。球磨之后，金屬玻璃粉末的吸氫性能獲得提升，粉末的飽和吸氫量從霧化態(tài)的0.96 wt.% (H/M≈0.7)提升至了球磨后的2.66 wt.% (H/M≈1.9)。然而，由于吸氫后金屬玻璃粉末內(nèi)部生成穩(wěn)定的氫化物相，使得球磨后的金屬玻璃粉末的放氫性能未能獲得提升。

    Abstract:

    In this paper, the influence of ball-milling on the structure and hydrogen absorption-desorption behavior of Zr50.7Cu28Al12.3Ni9 metallic glass powders produced by gas atomization were studied. The as-atomized metallic glass powders were ball-milled for 80 h. It is found that the powders remain amorphous state after the ball-milling process. The effects of ball-milling on the hydrogen absorption-desorption behavior of the metallic glass powders were measured with an automatic Sieverts apparatus. After the ball-milling, the hydrogen absorption behavior of the metallic glass powders is improved. In addition, the hydrogen absorption capacity of the ball-milled metallic glass powders increases to 2.66 wt.% (H/M≈1.9) from 0.96 wt.% (H/M≈0.7) of the as-atomized metallic glass powders. However, the hydrogen desorption behavior of the ball-milled metallic glass powders is still poor due to the formation of very stable hydride.

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盧曉陽,杜宇雷,廖文和.球磨對Zr-Cu-Al-Ni金屬玻璃粉末結(jié)構(gòu)與吸放氫性能的影響[J].稀有金屬材料與工程,2017,46(11):3193~3196.[Lu Xiaoyang, Du Yulei, Liao Wenhe. Influence of ball-milling on the structure and hydrogen absorption-desorption behavior of Zr-Cu-Al-Ni metallic glass powders[J]. Rare Metal Materials and Engineering,2017,46(11):3193~3196.]
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  • 收稿日期:2017-01-18
  • 最后修改日期:2017-02-02
  • 錄用日期:2017-02-20
  • 在線發(fā)布日期: 2017-12-13
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