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学者姓名：邓将华
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Abstract ：
To cxplorc a novel method of magnetic pulse expansion joining for dissimilar metal tubes with a magnetic ficld shaper strueture, the distributions of electromagnetic forecs were analyzed under the conditions of magnetic field shaper and the bulging behavior of aluminum tubes. The influ-ences of main processing Parameters on the magnetic pulse expansion joints were investigated through pull-out experiments. The results show that the magnetic field shaper significantly inercases the value of electromagnetic forces applied to the bulging areas of the aluminum tubes. The overlapping length between the aluminum tube and the working zonc of the magnetic ficld shaper has a significant impact on the bulging deformations of the aluminum tubes. When the overlapping length is 1.5 times the length of the working zonc of the magnetic field shaper, the maximum effective contact area is ob-tained. Under the conditions of only elastic deformations of the outer tubes, the collision pressures are positivcly correlated with the discharge voltages, and the peak pull-out loads of the joints increase with the increase of discharge voltages. As the radial clearances between the tubes increase, the peak pull-out loads of the joints show a trend of increasing and then decreasing while the other processing Parameters remaining the same. The maximum pull-out load of the joints reaches 5021 N under the condition of discharge voltage of 17 kV, radial gap of 4.0 mm, and overlap length of 15 mm. © 2024 Chinese Mechanical Engineering Society. All rights reserved.
Keyword ：
6063 aluminum 6063 aluminum magnetic ficld shaper magnetic ficld shaper magnetic pulse expansion joining magnetic pulse expansion joining numerical Simulation numerical Simulation pull-out load pull-out load
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| GB/T 7714 | Fan, Z. , Li, N. , Xu, L. et al. Research on Magnetic Pulse Expansion Joining of 6063 Aluminum/Steel 20 Tubes; [６０６３ 铝/２０ 钢管磁脉冲胀形连接工艺研究] [J]. | China Mechanical Engineering , 2024 , 35 (12) : 2185-2192 . |
| MLA | Fan, Z. et al. "Research on Magnetic Pulse Expansion Joining of 6063 Aluminum/Steel 20 Tubes; [６０６３ 铝/２０ 钢管磁脉冲胀形连接工艺研究]" . | China Mechanical Engineering 35 . 12 (2024) : 2185-2192 . |
| APA | Fan, Z. , Li, N. , Xu, L. , Deng, J. . Research on Magnetic Pulse Expansion Joining of 6063 Aluminum/Steel 20 Tubes; [６０６３ 铝/２０ 钢管磁脉冲胀形连接工艺研究] . | China Mechanical Engineering , 2024 , 35 (12) , 2185-2192 . |
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Abstract ：
为提高电磁铆接接头质量，在210 V放电电压下分别对20℃和加热到100, 200和300℃的TB2铆钉进行电磁铆接工艺试验，并对铆钉镦头微观组织进行观察，分析绝热剪切带内微观组织演变及剪切带的形成机制。结果表明，随着初始温度的升高、铆钉的变形量增加，当温度达到300℃时，TB2铆钉最大变形量接近58%，相比于20℃时提高了20%。观察到绝热剪切变形过程中剪切带经历萌生、扩展到断裂3个阶段，初始温度的升高会延缓剪切带的出现，剪切带的宽度受温度和变形量两个因素的影响。从过渡区域到剪切带中心方向上的位错密度逐渐降低，拉长的大晶粒内存在位错胞，随着变形量的增加，大晶粒逐渐破碎成等轴纳米级晶粒，符合旋转动态再结晶晶粒形成的特征。
Keyword ：
TB2钛合金 TB2钛合金 旋转动态再结晶 旋转动态再结晶 电磁铆接 电磁铆接 绝热剪切带 绝热剪切带
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| GB/T 7714 | 姚钰杰 , 邓将华 , 范治松 et al. 电磁铆接初始温度对TB2铆钉绝热剪切变形的影响 [J]. | 稀有金属 , 2024 , 48 (07) : 976-988 . |
| MLA | 姚钰杰 et al. "电磁铆接初始温度对TB2铆钉绝热剪切变形的影响" . | 稀有金属 48 . 07 (2024) : 976-988 . |
| APA | 姚钰杰 , 邓将华 , 范治松 , 卢圳彬 . 电磁铆接初始温度对TB2铆钉绝热剪切变形的影响 . | 稀有金属 , 2024 , 48 (07) , 976-988 . |
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Abstract ：
In order to improve the quality of electromagnetic riveting joints,TB2 rivets at 20 ℃ and heated to 100,200 and 300 ℃ were tested for electromagnetic riveting technology under 210 V discharge voltage. The rivet heads were observed by optical microscope (OM),scanning electron microscope(SEM)and scanning transmission electron microscope(STEM),the effects of different initial temperatures on riveting effects were discussed,and the microstructure evolution in adiabatic shear band(ASB)and the formation mechanism of the shear band were analyzed. The results showed that with the increase of initial temperature,the material was softened by heating,the maximum deformation of TB2 gradually increased,and the plasticity becomes better,which was helpful for rivet forming. At 20 ℃,the maximum deformation was 38%,when the deformation reached 40%,the specimen shears along 45° direction. When the temperature reached 200 ℃,the maximum deformation of TB2 samples was 52%,which increased by 8%. When the temperature reached 300 ℃,the maximum deformation of TB2 sample was close to 58%,and the maximum deformation was increased by 20%. Through SEM observation on TB2 rivet upsets with different deformation,it was found that ASB would initially appear around the rivet upsets,and the width of ASB would decrease with the increase of deformation within a certain amount of deformation. During the whole adiabatic shear deformation process,ASB had experienced three stages of initiation and extension to fracture,which was a shear band from the formation of the main shear band to the formation of both the primary and secondary shear bands,and then to the final fracture. With the increase of the initial temperature,ASB would be delayed. ASB width ranged from 20 to 50 μm at different temperatures and deformations. With the increase of deformation,the width of ASB at 20,100 and 200 ℃ showed a downward trend. The adiabatic shear band would be roughly formed at 30% of the deformation,but when the temperature rose to 300 ℃,30% of the deformation was not enough to occur,and it could be formed only when it reached about 40%. For the shear band width at 300 ℃,it showed a trend of decreasing first and then increasing,mainly because the deformation played a leading role in the formation of the shear band at the beginning of the deformation of the header,and the width of the shear band decreased with the increase of the deformation. When the deformation reached a certain stage,the temperature of the header rose rapidly due to the adiabatic effect. At this time,the temperature played a leading role in the influence on the width of the shear band. The rise of temperature led to more uniform deformation of the header,instability of materials in more areas,and finally the adiabatic shear band. When the deformation continued to increase,the shear area would be more concentrated. The width of the shear band might decrease when it rose to a certain value. When the deformation reached a certain stage,the header would break. Focused ion beam(FIB)was used to cut the inner and outer edges of the shear band of TB2. TB2 samples with 40% deformation at 20 and 300 ℃ were taken for STEM,and it was found that the dislocation density in the direction formed the transition zone to the center of ASB decreased gradually,and dislocation cells existed in the elongated large grains. With the increase of deformation,the large grains were gradually broken into equiaxed nano grains,consistent with the characteristics of rotational recrystallized grain formation. © 2024 Editorial Office of Chinese Journal of Rare Metals. All rights reserved.
Keyword ：
adiabatic shear band adiabatic shear band electromagnetic riveting electromagnetic riveting rotational dynamic recrystallization rotational dynamic recrystallization TB2 titanium alloy TB2 titanium alloy
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| GB/T 7714 | Yao, Y. , Deng, J. , Fan, Z. et al. Adiabatic Shear Deformation of TB2 Rivet with Different Electromagnetic Riveting Initial Temperature; [电磁铆接初始温度对 TB2 铆钉绝热剪切变形的影响] [J]. | Chinese Journal of Rare Metals , 2024 , 48 (7) : 976-988 . |
| MLA | Yao, Y. et al. "Adiabatic Shear Deformation of TB2 Rivet with Different Electromagnetic Riveting Initial Temperature; [电磁铆接初始温度对 TB2 铆钉绝热剪切变形的影响]" . | Chinese Journal of Rare Metals 48 . 7 (2024) : 976-988 . |
| APA | Yao, Y. , Deng, J. , Fan, Z. , Lu, Z. . Adiabatic Shear Deformation of TB2 Rivet with Different Electromagnetic Riveting Initial Temperature; [电磁铆接初始温度对 TB2 铆钉绝热剪切变形的影响] . | Chinese Journal of Rare Metals , 2024 , 48 (7) , 976-988 . |
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In this work, the vaporizing foil actuator welding (VFAW) has been used for impact welding of aluminum AA1060 to copper T2 sheets. The microstructural feature, mechanical properties, and electrical conductivity of Al-Cu welded joints were investigated. The VFAW process was simulated by LS-DYNA to analyze the effect of impact velocity and angle. The evolution of the microstructure of the welding interface was revealed by smoothed particle hydrodynamics numerical simulation. The qualities of Al-Cu joints were evaluated by microstructure observations, lap shear tensile testing and resistance measurements. The results show that the Al-Cu joints have a flat welding interface at the discharge voltage of 8 kV, but the joints failed at the interface due to the residual Al2O3. Owing to the change in interfacial effective plastic strain and impact pressure, increasing the discharge voltage resulted in the transition of the interface waveform from flat to wavy, and the site of tensile failure changed from the welding interface to the Al base metal. The results of element analysis showed that there was a transition zone consisting of Al-Cu intermetallic compounds at the interface. This transition zone would change from intermittent to continuous and become thicker after increasing the discharge voltage. Variations in discharge voltage can change the resistivity, thickness, and area of the welding region, which in turn affects the joint resistance.
Keyword ：
Al-Cu joint Al-Cu joint electrical conductivity electrical conductivity interface microstructure interface microstructure mechanical property mechanical property vaporizing foil actuator welding vaporizing foil actuator welding
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| GB/T 7714 | Yao, Yujie , Deng, Jianghua , Ning, Hanwei et al. Impact Welding of Aluminum AA1060 and Copper T2 Sheets by Vaporizing Foil Actuator: Microstructure, Mechanical Properties, and Electrical Conductivity [J]. | JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE , 2024 . |
| MLA | Yao, Yujie et al. "Impact Welding of Aluminum AA1060 and Copper T2 Sheets by Vaporizing Foil Actuator: Microstructure, Mechanical Properties, and Electrical Conductivity" . | JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE (2024) . |
| APA | Yao, Yujie , Deng, Jianghua , Ning, Hanwei , Lv, Yichao , Fan, Zhisong . Impact Welding of Aluminum AA1060 and Copper T2 Sheets by Vaporizing Foil Actuator: Microstructure, Mechanical Properties, and Electrical Conductivity . | JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE , 2024 . |
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为探究带集磁器结构的异种金属管材磁脉冲胀形连接新方法,分析了集磁器条件下电磁力分布和铝管的胀形连接行为规律,通过连接接头拉脱实验,研究了主要工艺参数对磁脉冲胀形连接效果的影响.结果表明:集磁器显著提高了铝管胀形区电磁力,铝管与集磁器工作区的搭接长度对铝管胀形变形影响较大,当搭接长度为集磁器工作区长度的1.5倍时,获得了最大的有效接触面积;在外管仅发生弹性变形时,碰撞压力与放电电压呈正相关,接头抗拉脱载荷随放电电压增大而增大;在相同条件下,接头抗拉脱载荷随着径向间隙的增大呈现出先增大后减小的变化趋势,当放电电压为17 kV、径向间隙为4.0 mm、搭接长度为15 mm时,接头抗拉脱载荷最大,达到5021 N.
Keyword ：
6063铝合金 6063铝合金 拉脱载荷 拉脱载荷 数值模拟 数值模拟 磁脉冲胀形连接 磁脉冲胀形连接 集磁器 集磁器
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| GB/T 7714 | 范治松 , 李宁 , 徐立凯 et al. 6063铝/20钢管磁脉冲胀形连接工艺研究 [J]. | 中国机械工程 , 2024 , 35 (12) : 2185-2192 . |
| MLA | 范治松 et al. "6063铝/20钢管磁脉冲胀形连接工艺研究" . | 中国机械工程 35 . 12 (2024) : 2185-2192 . |
| APA | 范治松 , 李宁 , 徐立凯 , 邓将华 . 6063铝/20钢管磁脉冲胀形连接工艺研究 . | 中国机械工程 , 2024 , 35 (12) , 2185-2192 . |
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Abstract ：
"金属学及热处理"是材料成型与控制工程专业人才培养的核心课程,在教学实践中,通过精选案例,把科学精神、工程伦理、实践能力、自主学习的思政元素融合在课程教学中,运用导学式、沉浸式、体验式和平台式"四式"教学方法,实现专业课程的知识传授、能力培养与价值引领相结合的人才培养目标,更好地落实立德树人的根本任务.
Keyword ：
"四式"教学法 "四式"教学法 课程思政 课程思政 金属学及热处理 金属学及热处理
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| GB/T 7714 | 卢月美 , 邓将华 , 邓丽萍 . 课程思政融入"金属学及热处理"教学的实践探索 [J]. | 机电技术 , 2023 , (2) : 111-113 . |
| MLA | 卢月美 et al. "课程思政融入"金属学及热处理"教学的实践探索" . | 机电技术 2 (2023) : 111-113 . |
| APA | 卢月美 , 邓将华 , 邓丽萍 . 课程思政融入"金属学及热处理"教学的实践探索 . | 机电技术 , 2023 , (2) , 111-113 . |
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Abstract ：
本实用新型涉及一种车身后流水槽连接装置，工作台面的上表面设置有经电动机构驱动进行90度间歇旋转的电木底座，电木底座的外旁侧在工作台面上表面沿着顺时针的方向依次设置有工件压紧工位、焊接废料下料工位、金属箔片上料工位、金属箔片缠胶工位，电木底座的上表面四方边缘均固连有传导铜条，四条传导铜条用以一一对应上述的四个工位，电木底座的上方设置有升降盖板，升降盖板上设置有用以下降时与工件压紧工位对应的传导铜条电性接触的正、负极端子，还设置有用以下降时压紧金属箔片上料工位、金属箔片缠胶工位、工件压紧工位对应的传导铜条上的金属箔片的压箔块。本实用新型装置结构设计合理，装配方便，能充分满足本实用新型操作需求。
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| GB/T 7714 | 邓将华 , 蔡子健 , 范治松 et al. 一种车身后流水槽连接装置 : CN202321551166.3[P]. | 2023-06-19 00:00:00 . |
| MLA | 邓将华 et al. "一种车身后流水槽连接装置" : CN202321551166.3. | 2023-06-19 00:00:00 . |
| APA | 邓将华 , 蔡子健 , 范治松 , 付菁菁 , 徐榕泺 . 一种车身后流水槽连接装置 : CN202321551166.3. | 2023-06-19 00:00:00 . |
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本实用新型提出一种基于电磁脉冲和弹性颗粒介质管‑板连接装置，所述装置包括由电磁脉冲驱动的冲头(13)，所述冲头工作时，其冲击方向上顺序设置弹性颗粒介质(15)、隔绝弹性垫(17)、金属板件(16)和金属管件(20)；所述弹性颗粒介质置于上凹模(14)的第一通腔内，冲头滑置于上凹模第一通腔上端，管腔下端以隔绝弹性垫与金属板件分隔；所述金属管件的连接端置于下凹模(18)顶部处，冲头冲力经弹性颗粒介质、隔绝弹性垫驱动金属板件冲击金属管件的连接端，使两者连接；本实用新型可解决现有技术中薄壁管‑板连接过程中受到较大的电磁力容易产生裂纹等不可逆的生产缺陷，以及导电率低的材料感应涡流小导致成形力不足的问题。
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| GB/T 7714 | 邓将华 , 张数 , 范治松 et al. 一种基于电磁脉冲和弹性颗粒介质管-板连接装置 : CN202320067126.5[P]. | 2023-01-10 00:00:00 . |
| MLA | 邓将华 et al. "一种基于电磁脉冲和弹性颗粒介质管-板连接装置" : CN202320067126.5. | 2023-01-10 00:00:00 . |
| APA | 邓将华 , 张数 , 范治松 , 蔡子健 , 吕艺超 . 一种基于电磁脉冲和弹性颗粒介质管-板连接装置 : CN202320067126.5. | 2023-01-10 00:00:00 . |
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本实用新型提出一种金属板材双面同时镀层的装置，通过使金属箔片汽化来驱动覆板碰撞作为基板的板材来形成镀层，所述覆板包括分置于基板上方的覆板A和置于基板下方的覆板B；所述金属箔片分别置于覆板A上方、覆板B下方，通过压箔铜块、导电铜块、压线铜块与电源输出电极相连，形成电流回路；所述装置在基板与覆板间设置垫片以使基板与覆板间留有用于覆板加速的间隔；当电流回路传导瞬时脉冲大电流时，金属箔片升温汽化，驱动覆板高速碰撞基板的上表面和下表面，覆板通过固相冶金结合与基板表面连接并形成镀层；本实用新型解决了传统箔汽化焊接方式作用力被削弱的问题，还可根据工况的需求，在基板两侧镀不同的金属板，适用性广。
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| GB/T 7714 | 邓将华 , 姚钰杰 , 范治松 et al. 一种金属板材双面同时镀层的装置 : CN202320016244.3[P]. | 2023-01-05 00:00:00 . |
| MLA | 邓将华 et al. "一种金属板材双面同时镀层的装置" : CN202320016244.3. | 2023-01-05 00:00:00 . |
| APA | 邓将华 , 姚钰杰 , 范治松 , 邓鹏飞 , 徐立凯 . 一种金属板材双面同时镀层的装置 : CN202320016244.3. | 2023-01-05 00:00:00 . |
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本实用新型涉及一种钛合金‑不锈钢管材的磁脉冲胀形连接装置，包括内部设置有待成形金属管材的同轴定位块，所述待成形金属管材由钛合金管和不锈钢管组成，所述不锈钢管套设在钛合金管的一端外侧，钛合金管与不锈钢管之间存在间隙，所述钛合金管的工作区内部设置有成形线圈，所述成形线圈与钛合金管的内表面之间设有集磁器，成形线圈与电容器电源供电系统相连接。本实用新型设计合理，通过磁脉冲胀形方式对钛合金管与不锈钢管进行高速冲击焊接，结合强度高、可控性好、效率高，且无需复杂的工艺和严苛的工作条件，解决了采用现有技术焊接钛合金与不锈钢管在焊接效果和生产灵活性方面的问题。
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| GB/T 7714 | 范治松 , 徐立凯 , 邓将华 et al. 一种钛合金-不锈钢管材的磁脉冲胀形连接装置 : CN202223521501.3[P]. | 2022-12-29 00:00:00 . |
| MLA | 范治松 et al. "一种钛合金-不锈钢管材的磁脉冲胀形连接装置" : CN202223521501.3. | 2022-12-29 00:00:00 . |
| APA | 范治松 , 徐立凯 , 邓将华 , 邓鹏飞 , 李宁 . 一种钛合金-不锈钢管材的磁脉冲胀形连接装置 : CN202223521501.3. | 2022-12-29 00:00:00 . |
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