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(Zr0.55Cu0.3Al0.1Ni0.05)98Er2非晶合金制備及其晶化動力學(xué)行為
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蘭州理工大學(xué)

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中圖分類號:

TG139

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國家自然科學(xué)基金項目（面上項目，重點項目，重大項目）


Ding Ruixian1,2, Kou Shengzhong1,2, Li Xiaocheng1,2, Fan Jianjun1,2, Fu Xiaoqiang1,2,Jiang Xilai1,2, Li Chunling3,Li Chunyan1,2
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Lanzhou University of Technology

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    摘要:

    利用銅模吸鑄法制備直徑為6 mm的(Zr0.55Cu0.3Al0.1Ni0.05)98Er2非晶合金試棒，探究在過冷液相區(qū)等溫溫度和時間對其熱穩(wěn)定性的影響以及采用連續(xù)加熱和等溫加熱研究其晶化動力學(xué)行為。結(jié)果表明：隨等溫?zé)崽幚頊囟鹊纳撸?Zr0.55Cu0.3Al0.1Ni0.05)98Er2非晶合金出現(xiàn)晶化現(xiàn)象的等溫?zé)崽幚頃r間越短；根據(jù)Kissinger方程得出該非晶合金的晶化激活能Ex為337.39 KJ/mol；兩種實驗方法所得的實驗數(shù)據(jù)非常接近，可為相互印證。對于(Zr0.55Cu0.3Al0.1Ni0.05)98Er2非晶合金進行超塑性成型來說；超塑性成型加熱參數(shù)同時位于兩條TTT曲線的右下方時，更有利于其超塑性的成型和得到具有單一非晶相的成型件。

    Abstract:

    The (Zr0.55Cu0.3Al0.1Ni0.05)98Er2 amorphous alloy bars with diameter of 6 mm were prepared by copper mold suction casting method. The effects of isothermal temperature and time on the thermal stability in supercooled liquid region were investigated, and the crystallization kinetics behavior was studied by continuous heating and isothermal heating.The results show that with the increase of isothermal heat treatment temperature, the isothermal heat treatment time of (Zr0.55Cu0.3Al0.1Ni0.05)98Er2 amorphous alloy is shorter; According to Kissinger equation, the activation energy Ex of the amorphous alloy is 337.39 kJ/mol; The experimental data obtained by the two methods are very close, which can be proved by each other.

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丁瑞鮮,寇生中,李曉誠,樊建軍,付小強,蔣希來,李春玲,李春燕.(Zr0.55Cu0.3Al0.1Ni0.05)98Er2非晶合金制備及其晶化動力學(xué)行為[J].稀有金屬材料與工程,2022,51(6):2258~2266.[Ding Ruixian, Kou Shengzhong, Li Xiaocheng, Fan Jianjun, Fu Xiaoqiang, Jiang Xilai, Li Chunling, Li chunyan. Ding Ruixian1,2, Kou Shengzhong1,2, Li Xiaocheng1,2, Fan Jianjun1,2, Fu Xiaoqiang1,2,Jiang Xilai1,2, Li Chunling3,Li Chunyan1,2[J]. Rare Metal Materials and Engineering,2022,51(6):2258~2266.]
DOI：10.12442/j. issn.1002-185X.20210463

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  • 收稿日期:2021-05-23
  • 最后修改日期:2021-06-18
  • 錄用日期:2021-07-12
  • 在線發(fā)布日期: 2022-07-06
  • 出版日期: 2022-06-29