[1]周洋,谢飞.工业纯钛TA2交流电场增强粉末法硼碳氮共渗研究[J].常州大学学报(自然科学版),2025,37(01):22-27.[doi:10.3969/j.issn.2095-0411.2025.01.003]
　ZHOU Yang,XIE Fei.Research on commercial pure titanium TA2's pack boron-carbon-nitriding enhanced by alternating current field[J].Journal of Changzhou University(Natural Science Edition),2025,37(01):22-27.[doi:10.3969/j.issn.2095-0411.2025.01.003]
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工业纯钛TA2交流电场增强粉末法硼碳氮共渗研究()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第37卷
期数:
2025年01期
页码:
22-27
栏目:
材料科学与工程
出版日期:
2025-01-22

文章信息/Info

Title:
Research on commercial pure titanium TA2's pack boron-carbon-nitriding enhanced by alternating current field
文章编号:
2095-0411(2025)01-0022-06
作者:
周洋1; 谢飞1; 2
1.常州大学 材料科学与工程学院, 江苏 常州 213164; 2.江苏省材料表面技术重点实验室(常州大学), 江苏 常州 213164
Author(s):
ZHOU Yang1;  XIE Fei1; 2
1.School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China; 2.Key Laboratory of Materials Surface Engineering of Jiangsu Province, Changzhou University, Changzhou 213164, China
关键词:
硼碳氮共渗;  交流电场;  纯钛TA2
Keywords:
pack boron-carbon-nitriding;  alternating current field;  titanium TA2
分类号:
TG 156.8
DOI:
10.3969/j.issn.2095-0411.2025.01.003
文献标志码:
A
摘要:
工业纯钛TA2在850 ℃进行交流电场(ACF)增强粉末法硼碳氮共渗(PBCN),用金相显微镜、X射线衍射仪、扫描电镜能谱仪及显微硬度计分析试样渗层组织、渗入元素的分布、渗层相结构、厚度及沿深度方向的硬度分布。实验结果表明:工业纯钛TA2经交流电场增强硼碳氮共渗的渗层由表及里组成为硼钛化物+碳钛化物+碳氮钛化物→氮钛化物+碳钛化物+碳氮钛化物→基体; 交流电场对工业纯钛TA2粉末法硼碳氮共渗有明显的促渗作用,渗层厚度随着电场电流的增加而增加,当电场电流为4 A时,所得渗层厚度约为相应常规渗扩的2倍以上; 施加交流电场也提高渗层硬度峰值和次表层的硬度,优化渗层沿深度方向硬度分布梯度。
Abstract:
Alternating current field(ACF)enhanced pack boron-carbon-nitriding(PBCN)was carried out at 850 ℃ for titanium TA2. Optical microscope, X-ray diffractometer, energy dispersive spectrometer in a scanning electron microscope, and microhardness tester were used to analyze the microstructure, distribution of infiltrated elements, phase structure, thickness and hardness distribution along the depth of the sample. Experimental results show that the layer of PBCN enhanced by ACF on titanium TA2 consists of phases from the surface to the substrate in sequence of B-Ti compounds +C-Ti compounds +Ti-C-N compounds→N-Ti compounds+C-Ti compounds+Ti-C-N compounds→substrate. The ACF can significantly promote the PBCN on titanium TA2. With the increase of ACF current, the PBCN thickness of infiltrated layer increases. When the ACF current is 4 A, the case thickness is more than 2 times that without employing ACF. Applying ACF can also increase the case's peak hardness and the hardness of the subsurface layer, and optimize the hardness distribution along the case depth.

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备注/Memo

备注/Memo:
收稿日期: 2024-05-11。
基金项目: 国家自然科学基金资助项目(51171032)。
作者简介: 周洋(1997—), 男, 江苏宿迁人, 硕士生。 通信联系人: 谢飞(1964—), E-mail: xiefei@cczu.edu.cn
更新日期/Last Update: 1900-01-01