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Citation: Zhang Rong-Bin, Li Feng-Yi, Yang Mei-Hua. The Effect of Support Al₂O₃ and Sm on the Thermal Stability of Amorphous NiB Alloy[J]. Acta Physico-Chimica Sinica, ;2003, 19(10): 970-973. doi: 10.3866/PKU.WHXB20031018 shu

The Effect of Support Al₂O₃ and Sm on the Thermal Stability of Amorphous NiB Alloy

1.
Institute of Applied Chemistry, Nanchang Universiry, Nanchang　330047

Received Date: 14 April 2003
Available Online: 15 October 2003

Amorphous NiB, NiB/Al2O3 and NiBSm/Al2O3 catalysts were prepared by chemical reduction method. The bulk compositions of catalysts were analyzed by inductively coupled plasma (ICP). Thermal stability of the catalyst was investigated by differential scanning calorimetry (DSC). The results showed that the content of boron in bulk composition of amorphous NiB alloy decreased with the introduction of support Al2O3. The thermal stability of amorphous NiB alloy was improved obviously after supported on γ-alumina and further enhanced by adding small amount of Sm. The data of activation energy for crystallization also showed the positive effects of support and Sm on thermal stability of amorphous NiB alloy. Support and Sm may change the thermal stability by different mechanisms.
- Amorphous NiB alloy;Thermal stability;Activation energy for crystallization
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沈阳化工大学材料科学与工程学院沈阳 110142

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The Effect of Support Al2O3 and Sm on the Thermal Stability of Amorphous NiB Alloy

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通讯作者: 陈斌, bchen63@163.com

The Effect of Support Al₂O₃ and Sm on the Thermal Stability of Amorphous NiB Alloy