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钬添加对ZrCuAlNi块体金属玻璃的玻璃形成能力及结晶行为的影响

Effect of Ho Addition on the Glass-Forming Ability and Crystallization Behaviors of ZrCuAlNi Bulk Metallic Glass.

作者信息

Lu Shuaidan, Li Xiaoxiao, Liang Xiaoyu, He Jiahua, Shao Wenting, Li Kuanhe, Chen Jian

机构信息

School of Materials Science and Chemical Engineering, Xi'an Technological University, Xi'an 710021, China.

School of Metallurgy, Northeastern University, Shenyang 110819, China.

出版信息

Materials (Basel). 2022 Mar 29;15(7):2516. doi: 10.3390/ma15072516.

DOI:10.3390/ma15072516
PMID:35407849
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9000181/
Abstract

The effect of holmium (Ho) addition on the glass-forming ability (GFA) and crystallization behaviors of ZrCuAlNi bulk metallic glass (BMGs) were studied by employing differential scanning calorimetry (DSC), X-ray diffraction (XRD), and transmission electron microscopy (TEM). The characteristic temperatures and activation energies of crystallization were obtained from DSC data. Classical kinetic modes were used to evaluate the crystallization processes of ZrCuAlNi and ZrCuNiAlHo BMGs. The results showed that Ho addition reduces the activation energy in the original crystallization period of Zr-based BMG and improves the nucleation, which is due to the formation of simpler compounds, such as CuZr, CuHo, and AlZr.

摘要

通过差示扫描量热法（DSC）、X射线衍射（XRD）和透射电子显微镜（TEM）研究了添加钬（Ho）对ZrCuAlNi块体金属玻璃（BMG）的玻璃形成能力（GFA）和结晶行为的影响。从DSC数据中获得了结晶的特征温度和活化能。采用经典动力学模式评估ZrCuAlNi和ZrCuNiAlHo BMG的结晶过程。结果表明，添加Ho降低了Zr基BMG原始结晶期的活化能并改善了形核，这是由于形成了更简单的化合物，如CuZr、CuHo和AlZr。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/9b4a9ac85f17/materials-15-02516-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/ad20188fbe71/materials-15-02516-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/5e7d402e4bf4/materials-15-02516-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/16b9d8219214/materials-15-02516-g006.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/9b446e18e5c1/materials-15-02516-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/cf33495479bc/materials-15-02516-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/9b4a9ac85f17/materials-15-02516-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/ad20188fbe71/materials-15-02516-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/857b0b29f728/materials-15-02516-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/98d8a89c93bf/materials-15-02516-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/162e8d816e79/materials-15-02516-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/5e7d402e4bf4/materials-15-02516-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/16b9d8219214/materials-15-02516-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/765779e644b9/materials-15-02516-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/9b446e18e5c1/materials-15-02516-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/cf33495479bc/materials-15-02516-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a49f/9000181/9b4a9ac85f17/materials-15-02516-g010.jpg

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