Experimental research on powder-mixed near-dry electrical discharge surface modification of Ti-6Al-4V titanium alloy

Cai Lanrong; Li Min; Zhao Junling; Chang Dongmei

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Experimental research on powder-mixed near-dry electrical discharge surface modification of Ti-6Al-4V titanium alloy

机译：Ti-6Al-4V钛合金粉末混合近干电放电表面改性实验研究

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This article presented a new method of electrical discharge surface modification. Liquid-gas-powder mixture was used as dielectric in the process. In this research, the B4C particles and deionized water mixture took part of the misted discharge medium. Via the modification process, the tool electrode and Ti-6Al-4V titanium alloy generate metallurgy reaction. The experimental investigation analyzed the influence of electrical discharge current, pulse on time, pulse interval, polarity and electrode on modification layer microstructure of Ti-6Al-4V titanium alloy. At the same time, micro-hardness tests and wear tests were also conducted to evaluate the process of the effects of surface modification. The experimental revealed that the hardness of the modification layer is about three times as much as that of the substrate and the wear-resistant property is almost three times as much as that of the substrate.

机译：本文提出了一种新的放电表面改性方法。液体 - 气体粉末混合物在该过程中用作电介质。在该研究中，B4C颗粒和去离子水混合物参与了雾化的放电介质。通过改性过程，刀具电极和Ti-6Al-4V钛合金产生冶金反应。实验研究分析了电气放电电流，脉冲对Ti-6A-4V钛合金改性层微观结构对脉冲间隔，脉冲间隔，极性和电极的影响。同时，还进行了微硬度测试和磨损试验以评估表面改性的影响的过程。实验表明，修饰层的硬度大约是基材的三倍，耐磨性几乎是基材的三倍。

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来源
《Proceedings of the Institution of Mechanical Engineers, Part B. Journal of engineering manufacture》 |2020年第13期|共7页
作者
Cai Lanrong; Li Min; Zhao Junling; Chang Dongmei;
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作者单位

Tianjin Key Lab High Speed Cutting &

Precis Machi Tianjin 300222 Peoples R China;

Tianjin Key Lab High Speed Cutting &

Precis Machi Tianjin 300222 Peoples R China;

Tianjin Key Lab High Speed Cutting &

Precis Machi Tianjin 300222 Peoples R China;

Tianjin Key Lab High Speed Cutting &

Precis Machi Tianjin 300222 Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类机械制造工艺;
关键词
Near-dry medium; electrical discharge; surface modification; titanium alloy;

机译：近干介质;放电;表面改性;钛合金;

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1. Experimental research on powder-mixed near-dry electrical discharge surface modification of Ti-6Al-4V titanium alloy [J] . Cai Lanrong, Li Min, Zhao Junling, Proceedings of the Institution of Mechanical Engineers, Part B. Journal of engineering manufacture . 2020,第13期

机译：Ti-6Al-4V钛合金粉末混合近干电放电表面改性实验研究
2. Statistical analysis of material removal rate and surface roughness in electrical discharge turning of titanium alloy (Ti-6Al-4V) [J] . Gohil Vikas, Puri Yogesh M. Proceedings of the Institution of Mechanical Engineers, Part B. Journal of engineering manufacture . 2018,第9期

机译：钛合金电气放电转动中材料去除率和表面粗糙度的统计分析（TI-6AL-4V）
3. Multi-objective optimization of material removal rate and surface roughness in electrical discharge turning of titanium alloy (Ti-6Al-4V) [J] . Gohil Vikas, Puri Y M Indian journal of engineering and materials sciences . 2017,第6期

机译：钛合金（Ti-6Al-4V）放电车削中材料去除率和表面粗糙度的多目标优化
4. Evaluation of the Surface Integrity of Titanium Nitride Coating Deposited on the Ni-Ti Substrate Through the Near-Dry Electrical Discharge Surface Coating Process [C] . Ramver Singh, Akshay Dvivedi, Pradeep Kumar Annual Meeting and Exhibition of the Minerals, Metals and Materials Society . 2021

机译：通过近干电放电表面涂布工艺评价沉积在Ni-Ti衬底上的氮化钛涂层的表面完整性
5. Experimental and simulation studies of femtosecond laser stimulated electrical discharges in small gaps and surface modifications. [D] . Chen, Jian. 2010

机译：飞秒激光激发的小间隙和表面改性放电的实验和仿真研究。
6. Surface Modification of Ti-6Al-4V Alloy by Electrical Discharge Coating Process Using Partially Sintered Ti-Nb Electrode [O] . Chander Prakash, Sunpreet Singh, Catalin Iulian Pruncu, 2019

机译：部分烧结的Ti-Nb电极通过放电涂层工艺对Ti-6Al-4V合金进行表面改性
7. Surface Modification of Ti-6Al-4V Alloy by Electrical Discharge Coating Process Using Partially Sintered Ti-Nb Electrode [O] . Chander Prakash, Sunpreet Singh, Catalin Pruncu, 2019

机译：用部分烧结Ti-Nb电极通过放电涂布工艺进行Ti-6Al-4V合金的表面改性
8. Surface Characterization of Titanium and Titanium Alloys. Part II. Effect on Ti-6Al-4V Alloy of Laboratory Chemical Treatments. [R] . baun,william l. mcdevitt,neil t. 1976

机译：钛和钛合金的表面特征。第二部分。 Ti-6al-4V合金对实验室化学处理的影响。

Experimental research on powder-mixed near-dry electrical discharge surface modification of Ti-6Al-4V titanium alloy

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