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学者姓名：陈鸿玲
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Abstract ：
为解决工业机器人磨抛柔性加工单元因砂带磨损导致工件磨削量减少、被加工工件表面质量一致性差的问题，提出建立基于砂带磨削参数识别方法，以此作为判断砂带磨损程度依据，并进行相应的补偿。在分析砂带磨削参数的理论基础上，设计基于磨削力、磨削深度、砂带粗糙度、砂带厚度、磨削量5种不同的磨削参数识别方法，并通过试验测试，分析优化出砂带磨削参数识别方法，即通过调整磨削参数，补偿因砂带磨损而减少的工件磨削量，可有效保证加工表面一致性。
Keyword ：
工业机器人 工业机器人 砂带磨损 砂带磨损 磨削参数识别 磨削参数识别 磨抛柔性加工 磨抛柔性加工
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| GB/T 7714 | 成楚楚 , 傅高升 , 陈鸿玲 et al. 工业机器人磨抛柔性加工单元磨削参数识别方法优化试验 [J]. | 闽江学院学报 , 2024 , 45 (02) : 13-20 . |
| MLA | 成楚楚 et al. "工业机器人磨抛柔性加工单元磨削参数识别方法优化试验" . | 闽江学院学报 45 . 02 (2024) : 13-20 . |
| APA | 成楚楚 , 傅高升 , 陈鸿玲 , 唐晓腾 . 工业机器人磨抛柔性加工单元磨削参数识别方法优化试验 . | 闽江学院学报 , 2024 , 45 (02) , 13-20 . |
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采用Rhino软件设计了两种多孔结构TC4骨科植入物模型，结合有限元分析方法对TC4多孔结构模型进行静力学仿真，得到了两种多孔结构及其不同孔隙率下的应力分布和等效弹性模量。通过激光选区熔化（SLM）打印出两种多孔结构TC4骨科植入物，进行准静态压缩试验和纳米压痕试验，探究了两种多孔结构及其不同孔隙率下力学性能的差异性。仿真结果表明，两种多孔结构孔隙率越大，平均应力越小。相同孔隙率下，规则多孔结构的平均应力、等效弹性模量和渗透率均大于不规则多孔结构；规则多孔结构弹性模量为4.18～9.71 GPa，不规则多孔结构的弹性模量为2.69～5.84 GPa，均满足人骨弹性模量范围。相同孔隙率下，规则多孔结构的抗压强度、弹性模量和耐磨性能均优于不规则多孔结构，与仿真结果一致。
Keyword ：
SLM SLM TC4 TC4 多孔结构 多孔结构 有限元分析 有限元分析 骨科植入物 骨科植入物
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| GB/T 7714 | 朱陈成 , 陈鸿玲 , 傅高升 et al. SLM成形多孔结构TC4骨科植入物的仿真与力学试验 [J]. | 特种铸造及有色合金 , 2024 , 44 (07) : 975-981 . |
| MLA | 朱陈成 et al. "SLM成形多孔结构TC4骨科植入物的仿真与力学试验" . | 特种铸造及有色合金 44 . 07 (2024) : 975-981 . |
| APA | 朱陈成 , 陈鸿玲 , 傅高升 , 张晨 , 陈建 . SLM成形多孔结构TC4骨科植入物的仿真与力学试验 . | 特种铸造及有色合金 , 2024 , 44 (07) , 975-981 . |
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9 kinds of La/TiAl3 (001) surface configurations adsorbed by La on the preferred growth surface of TiAl3 (001) and stacking growth configuration of TiAl3 (001) surface before and after La vacancy adsorption were established based on D F T and first-principle method. On this basis, the adsorption energy, surface energy and state density of TiAl3 (001) surface configuration in the Al-5Ti-lB-0.6La master alloy before and after La addition were calculated comparatively. Meanwhile, the effects of La on the growth of the refined TiAl3 phase as well as the action method were explored. The results indicate that La can spontaneously undergo strong chemical surface adsorption on the nine adsorption sites of the TiAl3 (001) surface, where the surface energy of Al-TiAl3 (001) surface vacancies (V2) site after adsorbing La has the largest reduction, and the adsorption energy has the smallest reduction, with the most stable adsorption structure. The stacking growth of TiAl3 (001) after La adsorption on the surface vacancies(V2) site tends to an increase of surface energy and unstable, which retards the growth of TiAl3(001) surface, indicating that La strongly inhibits the growth of TiAl3 phase. The test reveals that after adding La to the Al-5Ti-lB master alloy, the average size of the refined TiAl3 phase is decreased from 26.47 to 1452 μm, with relatively uniform distribution, proving that La addition is beneficial to hinder the growth of TiAl3, which is consistent with the simulated ones. © 2023 Journal Office of Special Casting and Nonferrous Alloys. All rights reserved.
Keyword ：
Al-5Ti-lB-0.6La Al-5Ti-lB-0.6La First Principles First Principles Rare Earth La Rare Earth La Surface Adsorption Surface Adsorption TiAl3 (001) TiAl3 (001)
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| GB/T 7714 | Li, X. , Chen, H. , Song, L. et al. First-principle Calculation of La Adsorption on TiAl3 Surface in Al-5Ti-lB-06La [Al-5Ti-lB-06La中La吸附TiAl3表面的第一性原理计算] [J]. | Special Casting and Nonferrous Alloys , 2023 , 43 (1) : 56-61 . |
| MLA | Li, X. et al. "First-principle Calculation of La Adsorption on TiAl3 Surface in Al-5Ti-lB-06La [Al-5Ti-lB-06La中La吸附TiAl3表面的第一性原理计算]" . | Special Casting and Nonferrous Alloys 43 . 1 (2023) : 56-61 . |
| APA | Li, X. , Chen, H. , Song, L. , Fu, G. , Wang, H. . First-principle Calculation of La Adsorption on TiAl3 Surface in Al-5Ti-lB-06La [Al-5Ti-lB-06La中La吸附TiAl3表面的第一性原理计算] . | Special Casting and Nonferrous Alloys , 2023 , 43 (1) , 56-61 . |
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The effect of Al2O3 on the diffusion behavior of Fe impurity in aluminum melts was analyzed by molecular dynamics simulation methods in terms of mean square displacement (DMS), self-diffusion coefficient (D), radial distribution function (g(r)) and coordination number (Nij). The simulation results show that Al2O3 is the key factor affecting the diffusion and enrichment of Fe. With the increase of Al2O3 content, the DMS of Fe decreases and this trend increases as the time prolongs, resulting in a decrease of the diffusion coefficient from 0.173×10-8 m2/s to 0.037×10-8 m2/s. Therefore, Al2O3 in aluminum melt hinders the diffusion of Fe, and the tendency increases with the extension of time. Meanwhile, with the increase of Al2O3 content, the g(r) curve changes significantly, the height of the first peak of the curve gradually becomes higher and the Nij of Fe atoms increases, finally results in the enrichment of Fe. The analysis shows that Al2O3 destroys the ordered arrangement of atoms in aluminum melt, changes the distortion energy of Fe and the viscosity of melt, leading to the decline in diffusion capacity and enrichment intensification in enrichment of Fe, which creates favorable conditions for the formation of Fe-rich phase. The Fe impurity often exists around Al2O3 in the form of Fe-rich phase, further confirming that Al2O3 can be used as a heterogeneous substrate to promote the nucleation and growth of Fe-rich phase. To sum up, Fe impurity is directly related to the Al2O3 content, the decrease of Al2O3 content is beneficial to reduce the enrichment tendency of Fe and reduces the forming possibility of Fe-rich phase. This is consistent with the results of molecular dynamics simulation,which shows that the simulation method is feasible. © 2023 Central South University of Technology. All rights reserved.
Keyword ：
Al2O3 Al2O3 aluminum melt aluminum melt diffusion behavior diffusion behavior Fe impurity Fe impurity molecular dynamics simulation molecular dynamics simulation
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| GB/T 7714 | Song, L.-L. , Fu, G.-S. , Xu, Q. et al. Molecular dynamics simulation of effect of Al2O3 on diffusion behavior of Fe impurity in aluminum melt; [Al2O3 对铝熔体中杂质 Fe 扩散行为影响的分子动力学模拟] [J]. | Chinese Journal of Nonferrous Metals , 2023 , 33 (7) : 2071-2080 . |
| MLA | Song, L.-L. et al. "Molecular dynamics simulation of effect of Al2O3 on diffusion behavior of Fe impurity in aluminum melt; [Al2O3 对铝熔体中杂质 Fe 扩散行为影响的分子动力学模拟]" . | Chinese Journal of Nonferrous Metals 33 . 7 (2023) : 2071-2080 . |
| APA | Song, L.-L. , Fu, G.-S. , Xu, Q. , Chen, H.-L. , Wang, H.-S. . Molecular dynamics simulation of effect of Al2O3 on diffusion behavior of Fe impurity in aluminum melt; [Al2O3 对铝熔体中杂质 Fe 扩散行为影响的分子动力学模拟] . | Chinese Journal of Nonferrous Metals , 2023 , 33 (7) , 2071-2080 . |
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The segregation behavior, the stability and strengthening energy, and the electronic structure of Ce at the TiAl3/alpha-Al interface was studied by first-principles method to understand the mechanism of the action of Ce on the second phase TiAl3 in Al-Ti-B-Ce refiner. The results show that Ce can spontaneously segregate at the nucleation interface of TiAl3 and Al to improve the stability of TiAl3/alpha-Al interface, and the stability of Ce central site of TiAl3(001) (Al)/Al (001) interface(0A0H) is the strongest. As for 0A0H interface, Ce has little effect on the electronic structure of Al (001) side of TiAl3/alpha-Al interface which limits its direct refinement effect on alpha-Al, while there is a strong bonding force to Al atoms on the TiAl3(001) side to reduce the surface energy of TiAl3, change the selective growth orientation of TiAl3, and provide more nucleation substrate to promote alpha-Al nucleation on the TiAl3 surface.
Keyword ：
Al-Ti-B-Ce refiner Al-Ti-B-Ce refiner first-principles first-principles heterogeneous nucleation heterogeneous nucleation segregation of Ce segregation of Ce TiAl(3 )a-Al interface TiAl(3 )a-Al interface
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| GB/T 7714 | Song, Lili , Fu, Gaosheng , Li, Longze et al. Effect of Ce in Al-Ti-B-Ce Refiner on TiAl3/a-Al Heterogeneous Nucleation Interface by First-Principles Study [J]. | JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE , 2023 , 32 (19) : 8585-8592 . |
| MLA | Song, Lili et al. "Effect of Ce in Al-Ti-B-Ce Refiner on TiAl3/a-Al Heterogeneous Nucleation Interface by First-Principles Study" . | JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE 32 . 19 (2023) : 8585-8592 . |
| APA | Song, Lili , Fu, Gaosheng , Li, Longze , Chen, Hongling , Wang, Huosheng . Effect of Ce in Al-Ti-B-Ce Refiner on TiAl3/a-Al Heterogeneous Nucleation Interface by First-Principles Study . | JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE , 2023 , 32 (19) , 8585-8592 . |
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Abstract ：
采用Rhino软件构建了泰森多边形不规则多孔结构,利用选区激光熔化(SLM)技术成形多孔TC4钛合金,研究了激光功率(180,200,220 W)、扫描速度(1 200,1 600,2 000 mm·s-1)、扫描间距(80,100,120 μm)对其显微组织的影响.结果表明:随着激光功率的增大、扫描速度的减小或扫描间距的增大,SLM成形多孔TC4钛合金实体部分的微观孔洞缺陷数量和尺寸减小,相对密度提高,扫描速度是影响缺陷生成的主要原因;在激光功率220 W、扫描速度1 200 mm·s-1、扫描间距120 μm条件下钛合金具有最少的微观孔洞缺陷,其相对密度可达99.2%.靠近多孔结构孔隙部分的截面存在等轴晶和平行于基板表面的柱状晶,而远离孔隙部分的组织主要由β柱状晶组成,柱状晶内部为与其长轴成±45°且平行排列的初生针状马氏体;随着激光功率的减小、扫描速度的增大或扫描间距的减小,柱状晶的宽度和初生马氏体的长度均减小,扫描间距对显微组织的影响更大.
Keyword ：
多孔TC4钛合金 多孔TC4钛合金 成形工艺 成形工艺 显微组织 显微组织 选区激光熔化 选区激光熔化
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| GB/T 7714 | 陈健 , 傅高升 , 陈鸿玲 et al. 选区激光熔化成形工艺对多孔TC4钛合金显微组织的影响 [J]. | 机械工程材料 , 2023 , 47 (11) : 96-103,110 . |
| MLA | 陈健 et al. "选区激光熔化成形工艺对多孔TC4钛合金显微组织的影响" . | 机械工程材料 47 . 11 (2023) : 96-103,110 . |
| APA | 陈健 , 傅高升 , 陈鸿玲 , 张晨 , 朱陈成 . 选区激光熔化成形工艺对多孔TC4钛合金显微组织的影响 . | 机械工程材料 , 2023 , 47 (11) , 96-103,110 . |
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采用基于密度泛函理论的第一性原理，通过筛选建立了以8种最主要的高对称性原子堆垛方式形成的TiB_2(0001)//TiB_2(0001)界面模型，计算了Al-Ti-B中间合金中掺杂稀土铈前后该界面的黏附功以及铈在界面处的偏聚焓和在(0001)面的吸附能，分析了铈对TiB_2界面行为的影响。结果表明：细化剂中掺杂铈后由2个以钛原子为终端的表面通过心位方式堆垛形成的界面和由以钛原子为终端的表面与以硼原子为终端的表面通过心位堆垛形成的界面的黏附功降低，有助于TiB_2弥散分布；铈在该界面处的偏聚焓为正值，无法自发偏聚到界面处，铈在TiB_2(0001)表面上具有较高的吸附能，可抑制TiB_2在此面的堆垛生长。
Keyword ：
Al-Ti-B-Ce中间合金细化剂 Al-Ti-B-Ce中间合金细化剂 TiB_2界面 TiB_2界面 稀土铈 稀土铈 第一性原理 第一性原理
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| GB/T 7714 | 李龙泽 , 傅高升 , 陈鸿玲 et al. 基于第一性原理分析铈对Al-Ti-B-Ce中间合金中TiB_2界面行为的影响 [J]. | 机械工程材料 , 2023 , 47 (10) : 104-110 . |
| MLA | 李龙泽 et al. "基于第一性原理分析铈对Al-Ti-B-Ce中间合金中TiB_2界面行为的影响" . | 机械工程材料 47 . 10 (2023) : 104-110 . |
| APA | 李龙泽 , 傅高升 , 陈鸿玲 , 宋莉莉 , 王火生 . 基于第一性原理分析铈对Al-Ti-B-Ce中间合金中TiB_2界面行为的影响 . | 机械工程材料 , 2023 , 47 (10) , 104-110 . |
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Abstract ：
采用分子动力学模拟方法从均方位移、自扩散系数、径向分布函数、配位数等方面分析研究了Al2O3对铝熔体中杂质Fe扩散行为的影响规律.结果表明:Al2O3是影响铝熔体中杂质Fe扩散和富集的关键因素,随着Al2O3含量的增加,杂质Fe的均方位移随之下降,且随着时间的延长,均方位移的增加幅度减小,扩散系数从0.173×10-8 m2/s下降到0.037×10-8 m2/s,即Al2O3含量的增加阻碍了杂质Fe的扩散,且Al2O3含量阻碍杂质Fe扩散行为的倾向随着时间的延长而加剧.同时,随Al2O3含量的增加,径向分布函数曲线发生明显变化,曲线第一峰的高度逐渐变高,即Fe原子配位数逐渐增加,杂质Fe的聚集程度增加.分析认为Al2O3的存在破坏了铝熔体中原子的有序排布,改变了Fe原子的晶格畸变能和熔体的黏度,造成杂质Fe的扩散困难;Al2O3有利于杂质Fe的富集,为富Fe相的形成创造了有利条件.杂质Fe在铝合金组织中常以富Fe相依附于Al2O3周围,Al2O3可作为异质基底促进富Fe相的形核和生长;杂质Fe的存在形态与Al2O3含量有直接关系,Al2O3含量的减少有利于降低杂质Fe在铝熔体中的富集倾向,从而降低形成团聚的粗大富Fe相的可能性.这与分子动力学模拟结果相吻合,也说明模拟方法是可行的.
Keyword ：
Al2O3 Al2O3 分子动力学模拟 分子动力学模拟 扩散行为 扩散行为 杂质Fe 杂质Fe 铝熔体 铝熔体
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| GB/T 7714 | 宋莉莉 , 傅高升 , 许乾 et al. Al2O3对铝熔体中杂质Fe扩散行为影响的分子动力学模拟 [J]. | 中国有色金属学报 , 2023 , 33 (7) : 2071-2080 . |
| MLA | 宋莉莉 et al. "Al2O3对铝熔体中杂质Fe扩散行为影响的分子动力学模拟" . | 中国有色金属学报 33 . 7 (2023) : 2071-2080 . |
| APA | 宋莉莉 , 傅高升 , 许乾 , 陈鸿玲 , 王火生 . Al2O3对铝熔体中杂质Fe扩散行为影响的分子动力学模拟 . | 中国有色金属学报 , 2023 , 33 (7) , 2071-2080 . |
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采用基于密度泛函理论的第一性原理方法,建立了稀土La在TiAl3相择优生长面(001)吸附的9种La/TiAl3(001)表面模型和La空位吸附前后TiAl3(001)表面堆垛生长表面模型,以此为基础计算并对比了Al-5Ti-1B中间合金中加入La前后TiAl3(001)表面模型的吸附能、表面能和态密度等.同时计算了La吸附前后TiAl3(001)堆垛生长后表面模型的表面能,探讨了Al-5Ti-1B-0.6La中间合金中La对细化相TiAl3生长的影响和作用方式.结果表明,La在TiAl3(001)表面的9个吸附位置均能自主发生强化学表面吸附,其中Al-TiAl3(001)表面空位(V2)吸附La后表面能降低幅度最大,吸附能最小,吸附结构最稳定;TiAl3(001)表面空位吸附(V2)La后堆垛生长是趋于单位面积内表面能增加,La吸附后的TiAl3(001)表面堆垛生长不稳定,减缓了TiAl3(001)面的生长速度,说明La对TiAl3相的生长有较强的抑制作用.试验表明,La加入Al-5Ti-1B中间合金后,细化相TiAl3的平均尺寸由26.47μm降低到14.52μm,TiAl3相分布较均匀,说明La的加入有利于抑制TiAl3的长大,与模拟结果一致.
Keyword ：
Al-5Ti-1B-0.6La Al-5Ti-1B-0.6La TiAl3(001) TiAl3(001) 稀土La 稀土La 第一性原理 第一性原理 表面吸附 表面吸附
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| GB/T 7714 | 李薛松 , 陈鸿玲 , 宋莉莉 et al. Al-5Ti-1B-0.6La中La吸附TiAl3表面的第一性原理计算 [J]. | 特种铸造及有色合金 , 2023 , 43 (1) : 56-61 . |
| MLA | 李薛松 et al. "Al-5Ti-1B-0.6La中La吸附TiAl3表面的第一性原理计算" . | 特种铸造及有色合金 43 . 1 (2023) : 56-61 . |
| APA | 李薛松 , 陈鸿玲 , 宋莉莉 , 傅高升 , 王火生 . Al-5Ti-1B-0.6La中La吸附TiAl3表面的第一性原理计算 . | 特种铸造及有色合金 , 2023 , 43 (1) , 56-61 . |
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First-principles calculations based on density-functional theory (DFT) are used to investigate the effect of H on the elastic properties of Al2Cu in this study. Calculations of elastic properties revealed that H changes the mechanical properties of Al2Cu especially in ductile and brittle characteristics, and H atomic concentration may leads to hydrogen softening and hardening, which is expected to change the properties of Al2Cu by hydrogen treatment.
Keyword ：
Al2Cu Al2Cu Elastic properties Elastic properties First-principles study First-principles study H H
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| GB/T 7714 | Song, Lili , Fu, Gaosheng , Chen, Hongling et al. First-principles study of the effect of H on elastic properties of Al2Cu [J]. | MATERIALS LETTERS , 2022 , 308 . |
| MLA | Song, Lili et al. "First-principles study of the effect of H on elastic properties of Al2Cu" . | MATERIALS LETTERS 308 (2022) . |
| APA | Song, Lili , Fu, Gaosheng , Chen, Hongling , Su, Yanqing . First-principles study of the effect of H on elastic properties of Al2Cu . | MATERIALS LETTERS , 2022 , 308 . |
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