燕山大学学报2026，Vol.50Issue(3)：267-273,282,8.DOI:10.3969/j.issn.1007-791X.2026.03.009
电处理对Ti基非晶合金变温晶化行为的影响
Influence of electrical treatment on temperature dependent crystallization behavior of Ti-based metallic glass
摘要
Abstract
Metallic glass(MG)has shown wide application potential due to their unique structure and excellent mechanical properties.Electrical treatment can induce structural changes in MG,thereby affecting their mechanical properties and thermal stability.In this work,Ti37Zr9.3Cu46.3Sn2.4Ni5 MG was prepared by copper mold casting method.The temperature dependent crystallization behavior of the alloy during continuous heating was studied using differential scanning calorimetry,and the effect of electrical treatment on the crystallization kinetics was analyzed.After electrical treatment,the characteristic temperatures of Ti37Zr9.3Cu46.3Sn2.4Ni5 MG significantly increased.The supercooled liquid phase region of the as-cast alloy is 33.3 K,while the value increased by 15.4 K after electrical treatment.The apparent activation energy of MG before and after electrical treatment was calculated based on the Kissinger method.The crystallization initiation activation energy Ex of the as-cast alloy is 203.1 kJ/mol,and the crystallization peak activation energy Ep is 187.2 kJ/mol.The activation energy values significantly increase after electrical treatment.The Doyle method was used to calculate the local activation energy of MG before and after electrical treatment,and the local activation energy gradually decreases with the increase of crystallization volume fraction during the crystallization process.Under the same crystallization volume fraction,the localized activation energy of the alloy after electrical treatment is significantly higher than that of the as cast alloy.The thermal stability of Ti37Zr9.3Cu46.3Sn2.4Ni5 MG has been improved induced by electrical treatment.关键词
Ti 基非晶合金/电处理/热稳定性/晶化动力学/激活能Key words
Ti-based metallic glasses/electrical treatment/thermal stability/crystallization kinetics/activation energy分类
矿业与冶金引用本文复制引用
张宝庆,吴述俊,熊有福,王嘉豪,邱胜利,曹国华..电处理对Ti基非晶合金变温晶化行为的影响[J].燕山大学学报,2026,50(3):267-273,282,8.基金项目
国家自然科学基金资助项目(51571085) （51571085）
河南省自然科学基金资助项目(242300421248) （242300421248）
