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Enhancing 3D Reconstruction Accuracy of FIB Tomography Data Using Multi-voltage Images and Multimodal Machine Learning 利用多电压图像和多模态机器学习提高 FIB 断层扫描数据的三维重建精度
Q1 Engineering Pub Date : 2024-02-27 DOI: 10.1007/s41871-024-00223-y
Trushal Sardhara, Alexander Shkurmanov, Yong Li, Lukas Riedel, Shan Shi, C. Cyron, R. Aydin, Martin Ritter
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引用次数: 0
Numerical Analysis on the Static Performance of Gas Journal Bearing by Using Finite Element Method 采用有限元法对气体滑动轴承的静态性能进行数值分析
Q1 Engineering Pub Date : 2024-02-12 DOI: 10.1007/s41871-023-00219-0
Pengfeng Wang, Yuntang Li, Xiang Gao, Yueliang Ye, Ruirui Li, Xiaolun Li, Yuan Chen, Jie Jin, Cong Zhang
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引用次数: 0
Numerical Analysis on the Static Performance of Gas Journal Bearing by Using Finite Element Method 采用有限元法对气体滑动轴承的静态性能进行数值分析
Q1 Engineering Pub Date : 2024-02-12 DOI: 10.1007/s41871-023-00219-0
Pengfeng Wang, Yuntang Li, Xiang Gao, Yueliang Ye, Ruirui Li, Xiaolun Li, Yuan Chen, Jie Jin, Cong Zhang
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引用次数: 0
Design and Parameter Optimization of Zero Position Code Considering Diffraction Based on Deep Learning Generative Adversarial Networks 基于深度学习生成式对抗网络的考虑衍射的零位编码设计与参数优化
Q1 Engineering Pub Date : 2024-02-05 DOI: 10.1007/s41871-023-00221-6
Shengtong Wang, Lin Luo, Xinghui Li
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引用次数: 0
Design and Parameter Optimization of Zero Position Code Considering Diffraction Based on Deep Learning Generative Adversarial Networks 基于深度学习生成式对抗网络的考虑衍射的零位编码设计与参数优化
Q1 Engineering Pub Date : 2024-02-05 DOI: 10.1007/s41871-023-00221-6
Shengtong Wang, Lin Luo, Xinghui Li
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引用次数: 0
Fabrication of Superhydrophobic–Hydrophilic Patterned Cu@Ag Composite SERS Substrate via Femtosecond Laser 通过飞秒激光制作超疏水-亲水图案化铜@银复合 SERS 基底
Q1 Engineering Pub Date : 2024-01-18 DOI: 10.1007/s41871-024-00222-z
Yuheng Zhang, Zongwei Xu, Kun Zhang, Ying Song, Bing Dong, Jianshi Wang, Mengzhi Yan, Qingqing Sun
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引用次数: 0
Atomic Layer Deposition of Nickel Using Ni(dmamb)2 and ZnO Adhesion Layer Without Plasma. 使用 Ni(dmamb)2 和氧化锌附着层进行无等离子体镍原子层沉积。
Q1 Engineering Pub Date : 2024-01-01 Epub Date: 2024-09-20 DOI: 10.1007/s41871-024-00238-5
Kaiya Baker, Hayden Brown, Fisseha Gebre, Jiajun Xu

In this study, a novel deposition technique that utilizes diethylzinc (C4H10ZnO) with H2O to form a ZnO adhesion layer was proposed. This technique was followed by the deposition of vaporized nickel(II) 1-dimethylamino-2-methyl-2-butoxide (Ni(dmamb)2) and H2 gas to facilitate the deposit of uniform layers of nickel on the ZnO adhesion layer using atomic layer deposition. Deposition temperatures ranged from 220 to 300 °C. Thickness, composition, and crystallographic structure results were analyzed using spectroscopic ellipsometry, scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD), respectively. An average growth rate of approximately 0.0105 angstroms per cycle at 260 °C was observed via ellipsometry. Uniform deposition of ZnO with less than 1% of Ni was displayed by utilizing the elemental analysis function via SEM, thereby providing high-quality images. XPS revealed ionizations consistent with nickel and ZnO through the kinetic and binding energies of each detected electron. XRD provided supplemental information regarding the validity of ZnO by exhibiting crystalline attributes, revealing the presence of its hexagonal wurtzite structure.

本研究提出了一种利用二乙基锌(C4H10ZnO)与 H2O 形成氧化锌附着层的新型沉积技术。随后,利用原子层沉积技术将气化的镍(II) 1-二甲氨基-2-甲基-2-丁醇(Ni(dmamb)2)和 H2 气体沉积在氧化锌附着层上,以促进镍层的均匀沉积。沉积温度为 220 至 300 °C。使用光谱椭偏仪、扫描电子显微镜(SEM)、X 射线光电子能谱(XPS)和 X 射线衍射(XRD)分别分析了厚度、成分和晶体结构结果。通过椭偏仪观察到,在 260 °C 温度下,平均生长速率约为每周期 0.0105 埃。通过扫描电子显微镜的元素分析功能,显示出氧化锌的均匀沉积,镍含量低于 1%,从而提供了高质量的图像。XPS 通过每个检测到的电子的动能和结合能显示出与镍和氧化锌一致的电离。XRD 提供了有关氧化锌有效性的补充信息,显示了其结晶属性,揭示了其六方菱形结构的存在。
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引用次数: 0
Recent Advances in Electrodeposition of Nickel-Based Nanocomposites Enhanced with Lubricating Nanoparticles.
Q1 Engineering Pub Date : 2024-01-01 Epub Date: 2024-12-12 DOI: 10.1007/s41871-024-00245-6
Tianyu Guan, Nan Zhang

Recently, nanomaterials such as graphene, polytetrafluoroethylene, WS2, and MoS2 have emerged as pioneering additives and fillers in metal nanocomposite electrodeposition, offering innovative solutions for lubrication and tribological enhancement. Electrodeposition, known for its high efficiency, reliability, operational simplicity, and cost-effectiveness, has become a preferred method for the protection of industrial components from excessive wear or abrasion. In particular, nickel (Ni) matrix composites fabricated via electrodeposition function as an environmentally friendly substitute for coatings such as hard chromium. These Ni-based composites exhibit multifunctional properties, including enhanced hardness, modified surface wettability, improved anti-friction/wear performance, and lubrication properties. This review begins by explaining the principles and mechanisms of electrodeposition, along with the chemical structures and properties of lubricating nanoparticles. It discusses dispersion methodologies of these nanoparticles in the electrolyte solution to address aggregation problems. In addition, it introduces codeposition models for Ni/nanomaterials and examines the key parameters that influence this codeposition process. This review systematically explores the mechanical properties, tribological performance, and surface wettability of resulting Ni-based nanocomposites, along with their potential applications and practical advantages. Finally, it discusses the opportunities and challenges associated with nanomaterial-enhanced metal composites, aiming to introduce new avenues for their utilization in electrodeposition.

最近,石墨烯、聚四氟乙烯、WS2 和 MoS2 等纳米材料成为金属纳米复合材料电沉积的先驱添加剂和填料,为润滑和摩擦学增强提供了创新解决方案。电沉积以其高效、可靠、操作简单和成本效益高而著称,已成为保护工业部件免受过度磨损或磨蚀的首选方法。尤其是通过电沉积制造的镍(Ni)基复合材料,可作为硬铬等涂层的环保型替代品。这些镍基复合材料具有多功能特性,包括增强硬度、改善表面润湿性、提高抗摩擦/磨损性能和润滑性能。本综述首先解释了电沉积的原理和机制,以及润滑纳米粒子的化学结构和特性。它讨论了这些纳米粒子在电解质溶液中的分散方法,以解决聚集问题。此外,它还介绍了镍/纳米材料的共沉积模型,并研究了影响共沉积过程的关键参数。本综述系统地探讨了由此产生的镍基纳米复合材料的机械性能、摩擦学性能和表面润湿性,以及它们的潜在应用和实际优势。最后,它讨论了与纳米材料增强金属复合材料相关的机遇和挑战,旨在为其在电沉积中的应用引入新的途径。
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引用次数: 0
Nanoimprinted Hierarchical Micro-/Nanostructured Substrates for the Growth of Cardiomyocyte Fibers 用于心肌细胞纤维生长的纳米印迹分层微/纳米结构基质
Q1 Engineering Pub Date : 2023-11-07 DOI: 10.3390/nanomanufacturing3040026
Michael M. Mühlberger, Sonja Kopp, Alision A. Deyett, Markus Pribyl, Michael J. Haslinger, Anica M. Siegel, Philipp Taus, Elena Guillén, Aranxa Torres-Caballero, Bozhidar Baltov, Michael A. Netzer, Sonia Prado-López, Leif Yde, Jan Stensborg, Sasha Mendjan, Steffen Hering, Heinz D. Wanzenboeck
Investigating the behavior of cardiomyocytes is an important part of drug development. We present a structure and a related nanoimprint-based fabrication method, where the cardiomyocytes form isolated fibers, which is beneficial for drug testing, more closely representing the structure of the cardiomyocytes in vivo. We found that channel structures with walls with a rough top surface stimulate cardiomyocytes to form such fibers, as desired. Nanoimprint lithography is used as a fast and cost-efficient method to fabricate our hierarchically structured cell growth substrates.
研究心肌细胞的行为是药物开发的重要组成部分。我们提出了一种结构和相关的基于纳米印迹的制造方法,其中心肌细胞形成分离的纤维,这有利于药物测试,更接近地代表体内心肌细胞的结构。我们发现,具有粗糙表面壁的通道结构可以刺激心肌细胞形成所需的纤维。纳米压印光刻技术是一种快速、经济的方法,可用于制造分层结构的细胞生长基质。
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引用次数: 1
PLLA Nanosheets for Wound Healing: Embedding with Iron-Ion-Containing Nanoparticles 用于伤口愈合的聚乳酸纳米片:含铁离子纳米颗粒包埋
Q1 Engineering Pub Date : 2023-10-19 DOI: 10.3390/nanomanufacturing3040025
Aslan Mussin, Ali A. AlJulaih, Neli Mintcheva, Delvin Aman, Satoru Iwamori, Stanislav O. Gurbatov, Abhishek K. Bhardwaj, Sergei A. Kulinich
This article reports on polymer (PLLA, poly(L-lactic acid)) nanosheets incorporated with Fe-ion nanoparticles, aiming at using the latter nanoparticles as a source to release Fe ions. Such Fe ions should facilitate burn wound healing when such nanosheets are applied as a biomedical tissue on skin. Laser ablation in liquid phase was used to produce Fe-containing nanoparticles that, after incorporation into PLLA nanosheets, would release Fe ions upon immersion in water. Unlike most iron-oxide nanostructures, which are poorly soluble, such nanoparticles prepared in chloroform were found to have water solubility, as they were shown by XPS to be based on iron chloride and oxide phases. After incorporation into PLLA nanosheets, the ion-release test demonstrated that Fe ions could be released successfully into water at pH 7.4. Incorporation with two different metal ions (Fe and Zn) was also found to be efficient, as both types of ions were demonstrated to be released simultaneously and with comparable release rates. The results imply that such polymer nanosheets show promise for biomedical applications as potential patches for healing of burns.
本文报道了掺入铁离子纳米粒子的聚合物(PLLA,聚l -乳酸)纳米片,旨在利用后者作为释放铁离子的源。当这种纳米片作为生物医学组织应用于皮肤时,这些铁离子应该促进烧伤伤口愈合。采用液相激光烧蚀法制备含铁纳米颗粒,将其掺入PLLA纳米片后,浸入水中释放铁离子。与大多数难溶的氧化铁纳米结构不同,在氯仿中制备的这种纳米颗粒具有水溶性,因为XPS显示它们是基于氯化铁和氧化物相。将铁离子掺入PLLA纳米片后,离子释放测试表明,铁离子可以成功释放到pH为7.4的水中。与两种不同的金属离子(铁和锌)结合也被发现是有效的,因为两种类型的离子被证明是同时释放的,并且释放速率相当。结果表明,这种聚合物纳米片作为烧伤愈合的潜在贴片在生物医学上有很大的应用前景。
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引用次数: 0
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Nanomanufacturing and Metrology
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