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Journal articles on the topic 'Micro-metallic components'

Author: Grafiati
Published: 6 September 2023
Last updated: 31 July 2025

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1

Zhang, Wenwu, and Y. Lawrence Yao. "Micro Scale Laser Shock Processing of Metallic Components." Journal of Manufacturing Science and Engineering 124, no. 2 (2002): 369–78. http://dx.doi.org/10.1115/1.1445149.

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Laser shock processing of copper using focused laser beam size about ten microns is investigated for its feasibility and capability to impart desirable residual stress distributions into the target material in order to improve the fatigue life of the material. Shock pressure and strain/stress are properly modeled to reflect the micro scale involved, and the high strain rate and ultrahigh pressure involved. Numerical solutions of the model are experimentally validated in terms of the geometry of the shock-generated plastic deformation on target material surfaces as well as the average in-depth
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2

SUZUKI, Hirofumi, Daisuke MUKOHATA, Takeshi KAWANO, et al. "3606 Precision Molding of Micro Metallic Glass Components." Proceedings of the JSME annual meeting 2007.4 (2007): 277–78. http://dx.doi.org/10.1299/jsmemecjo.2007.4.0_277.

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3

Zhang, Xiang, Jiang Ma, Ran Bai, Qian Li, Bing Li Sun, and Chang Yu Shen. "Polymer Micro Hot Embossing with Bulk Metallic Glass Mold Insert." Advanced Materials Research 510 (April 2012): 639–44. http://dx.doi.org/10.4028/www.scientific.net/amr.510.639.

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Polymer microstructures are used more and more in many fields. Hot embossing is one of molding processing to achieve micro polymer components. In this paper, bulk metallic glass was selected as mold material to fabricate mold insert of micro hot embossing. Traditional UV-lithography and ICP-etching were used to achieve micro features on silicon wafer. And then, micro features were transferred from silicon wafer to bulk metallic glass mold insert above its glass transition temperature. Finally, applied bulk metallic glass mold insert to replicate polymer microstructure with hot embossing. Three
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4

Liu, Jian, Hany Hassanin, Zhenyu Ni, Yi Yang, Gang Yang, and Kyle Jiang. "Production of high-precision micro metallic components by electroforming process." Materials and Manufacturing Processes 32, no. 12 (2016): 1325–30. http://dx.doi.org/10.1080/10426914.2016.1221092.

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5

Essa, Khamis, Francesco Modica, Mohamed Imbaby, et al. "Manufacturing of metallic micro-components using hybrid soft lithography and micro-electrical discharge machining." International Journal of Advanced Manufacturing Technology 91, no. 1-4 (2016): 445–52. http://dx.doi.org/10.1007/s00170-016-9655-4.

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6

Lee, Hye Jin, Nak Kyu Lee, and Hyoung Wook Lee. "A Study on the Micro Property Testing of Micro Embossing Patterned Metallic Thin Foil." Key Engineering Materials 345-346 (August 2007): 335–38. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.335.

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In this paper, Experimental results on the measurement of mechanical properties of fine patterns in the MEMS structure are described. The mechanical properties of embossing patterns on metallic thin foil is measured using the nano indentation system, that is developed by Korea Institute of Industrial Technology(KITECH). These micro embossing patterns are fabricated using CIP(Cold Isostatic Press) process on micro metallic thin foils(Al-1100) that are made by rolling process. These embossing patterned metallic thin foils(Al-1100) are used in the reflecting plate of BLU(Back Light Unit) and elec
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7

Kim, J. S., Kyle Jiang, C. Lucien Falticeanu, G. J. Davies, and I. T. H. Chang. "Making Alumina Microcomponents From Al Powder." Materials Science Forum 534-536 (January 2007): 1041–44. http://dx.doi.org/10.4028/www.scientific.net/msf.534-536.1041.

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Alumina microcomponents have distinguishing advantages over Si counterparts. However, the shrinkage of alumina, as high as 20%, makes it difficult to produce precision components that require a high tolerance. A new fabrication process is presented to greatly reduce the shrinkage. The process consists of forming an Al powdered component through sintering and transforming the Al powdered component into an alumina part. In this way, the shrinkage occurring in sintering the Al powder component will be compensated by the expansion occurred when Al transforms into alumina. The process involves prod
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8

Vella, Pierre C., Stefan S. Dimov, and Alexander Kolew. "Process chain for serial manufacture of polymer components with micro- and nano-scale features: Optimisation issues." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 231, no. 11 (2016): 2000–2020. http://dx.doi.org/10.1177/0954405415619344.

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This article reports a follow-up research to investigate further the component technologies of a cost-effective manufacturing route designed to achieve function and length scale integration in products. The route employs a viable master-making process chain that integrates compatible and at the same time complementary, structuring and replication technologies to fabricate Zr-based bulk metallic glass inserts. To validate them, they are subsequently integrated into a micro-injection moulding machine, and polymer structures incorporating both micro- and nano-scale features are replicated. Especi
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9

Imbaby, M., K. Jiang, and I. Chang. "Net shape fabrication of stainless-steel micro machine components from metallic powder." Journal of Micromechanics and Microengineering 18, no. 11 (2008): 115018. http://dx.doi.org/10.1088/0960-1317/18/11/115018.

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10

Kimura, Yasuhiro, and Masumi Saka. "Fabrication of Multiple Al Micro-Materials by Electromigration Using a Comb Pattern and a Conductive Passivation Film." Advanced Materials Research 909 (March 2014): 36–40. http://dx.doi.org/10.4028/www.scientific.net/amr.909.36.

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Electromigration (EM) is the phenomenon of atomic diffusion in a metallic film with a high-density electron flow. Our group used EM to fabricate Al micro-materials. The EM technique can be used to fabricate micro-materials with a high aspect ratio, pure metal components, an arbitrary form, and a single-crystal structure. Recently, two micro-materials have been simultaneously fabricated using an array pattern consisting of parallel or series connections. However, multiple micro-materials have not been fabricated simultaneously thus far. In this study, a new comb sample pattern was used with a c
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11

Weimer, Daniel, Silke Huferath von Luepke, Andreas Tausendfreund, Ralf B. Bergmann, Gert Goch, and Bernd Scholz-Reiter. "Dimensional In Situ Shape and Surface Inspection of Metallic Micro Components in Micro Bulk Manufacturing." Advanced Materials Research 1018 (September 2014): 493–500. http://dx.doi.org/10.4028/www.scientific.net/amr.1018.493.

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A rising trend to miniaturization and function integration requires new materials, tools, manufacturing setups and quality inspection strategies for mass production of micro mechanical systems (MMS). In most scenarios, quality inspection is carried out manually. An expert takes samples out of the manufacturing process and investigates them by means of tactile or optical measurement systems. This time consuming quality inspection process leads to low inspection rates, especially in bulk manufacturing processes, where manufacturing frequencies of 400 parts per minute are common. This contributio
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12

Sundriyal, Sanjay, Vipin, and Ravinderjit Singh Walia. "Experimental Investigation of the Micro-hardness of EN-31 Die Steel in a Powder-Mixed Near-Dry Electric Discharge Machining Method." Strojniški vestnik – Journal of Mechanical Engineering 66, no. 3 (2020): 184–92. http://dx.doi.org/10.5545/sv-jme.2019.6474.

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The Powder-Mixed Near-Dry Electric Discharge Machining (PMND-EDM) methodology has proven to be efficient in terms of machining rate, surface morphology, and environmental friendliness, unlike traditional EDM. In this study, the presence of a conductive metallic powder (zinc) in the dielectric medium was responsible for changing the topography of the workpiece (EN-31) and resulted in a higher micro-hardness value of the machined component. In this research, an approach has been made to optimize the significant process parameters by using a Taguchi L9 orthogonal array (OA) to obtain machined com
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13

Ray, Debajyoti, Asit Baran Puri, and Nagahanumaiah. "Investigation on Cutting Forces and Surface Finish in Mechanical Micro Milling of Zr-Based Bulk Metallic Glass." Journal of Advanced Manufacturing Systems 18, no. 01 (2019): 113–32. http://dx.doi.org/10.1142/s0219686719500069.

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Precision micro-component fabrication demands suitable manufacturing processes that ensure making of parts with good form and finish. Mechanical micro milling represents a flexible and powerful process that exhibits enhanced capability to create micro features. Bulk metallic glass (BMG) represents a young class of amorphous alloy material with superior mechanical and physical properties and finds appreciable micro scale applications like biomedical devices and implants, micro parts for sport items and various other micro- components. In the present work, an attempt has been made to analyze the
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14

YAMASAKI, Tohru. "Developments of High Strength Ni-W Electrodeposited Alloys and Micro Metallic Machine Components." Journal of The Surface Finishing Society of Japan 73, no. 3 (2022): 135–41. http://dx.doi.org/10.4139/sfj.73.135.

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15

Piotter, Volker, Alexander Klein, Klaus Plewa, Markus Guttmann, and Frank Winkler. "Development of stacked conductive templates for electroforming of multi-level metallic micro components." Microsystem Technologies 26, no. 5 (2019): 1585–90. http://dx.doi.org/10.1007/s00542-019-04699-3.

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16

Rahman, M. Azizur, Mustafizur Rahman, and A. Senthil Kumar. "Material perspective on the evolution of micro- and nano-scale cutting of metal alloys." Journal of Micromanufacturing 1, no. 2 (2018): 97–114. http://dx.doi.org/10.1177/2516598418782318.

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Microfabrication plays an active role in miniaturization of products and components in various emerging fields ranging from pharmaceuticals and bio-medical applications to electro-mechanical sensors and actuators to chemical microreactors and mechanical microturbines. Tool-based machining is one of the key technologies of microfabrication. The machining of materials on the micrometre and nanometre scales is fundamental for the fabrication of 3D micro components. However, there are limitations of scaling down the mechanical machining process from the macro- to micro- to nanoscales. Several fact
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17

Wang, Yucheng, Qi Zhong, Risheng Hua, et al. "Ultrasonic Vibration-Assisted Stamping of Serpentine Micro-Channel for Titanium Bipolar Plates Used in Proton-Exchange Membrane Fuel Cell." Materials 16, no. 9 (2023): 3461. http://dx.doi.org/10.3390/ma16093461.

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Metallic bipolar plates (BPPs) are key components in the proton-exchange membrane fuel cell (PEMFC), which can replace traditional fossil fuels as a kind of clean energy. However, these kinds of plates, characterized by micro-channels with a high ratio between depth and width, are difficult to fabricate with an ultra-thin metallic sheet. Then, ultrasonic-vibration-assisted stamping is performed considering the acoustic softening effect. Additionally, the influence of various vibration parameters on the forming quality is analyzed. The experimental results show that ultrasonic vibration can obv
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18

Rajenthirakumar, D., R. Sridhar, R. Abenethiri, and Dwarkesh Bagri. "Experimental Investigations of Material Behaviour in Forward Micro Extrusion." Applied Mechanics and Materials 813-814 (November 2015): 536–40. http://dx.doi.org/10.4028/www.scientific.net/amm.813-814.536.

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Micro manufacturing has received good attention globally in terms of its manufacturing methods and processes. One of the most popular micro manufacturing processes is micro forming. Although there were efforts made to realize micro extrusion for industrial application, the technology itself was seen as being insufficiently mature and unlike conventional methods, there is no in-depth knowledge. It has become essential to develop a proper understanding which in turn could be used to develop dedicated processes for the manufacturing of metallic micro components. In this work, an attempt has been
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19

Yamamoto, Y., and Soshu Kirihara. "Development of WC-Co/SUS304 Functionally Graded Materials by Using Three Dimensional Micro Welding." Materials Science Forum 631-632 (October 2009): 265–70. http://dx.doi.org/10.4028/www.scientific.net/msf.631-632.265.

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Three dimensional micro welding (3DMW) of a novel freeform fabrication process for metal or alloy components has been developed in our investigation group. A tungsten inert gas (TIG) welding machine is controlled by utilizing CAD/CAM processes. Various types of metal or alloy wires are fed automatically under a micro-arc torch to form tiny metallic beads. These micrometer order beads are joined continuously to build three dimensional structures. Near-net-shape components of metal or alloy compounds with high melting points can be fabricated automatically with minimized energy and resources. In
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20

JIN, Peng, and Jung-Sik KIM. "Design and Fabrication of a Micro Reciprocating Engine." Combustion Engines 122, no. 3 (2005): 32–41. http://dx.doi.org/10.19206/ce-117398.

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This paper presents an ongoing project of developing a micro reciprocating internal combustion engine. The engine is designed on the basis of a two stroke piston engine, but heavy modifications have been made to suit the 2D MEMS fabrication. All the engine parts are located in two layers. Piston seals are not used and leakage is prevented by the introduction of microgrooves on the piston, tight tolerance control and an extended contact area between the piston and the cylinder. With the assistance of a film of lubrication oil, these measures prove effective in preventing leakage. A new approach
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21

Li, C. Z., Z. T. Xu, L. F. Peng, and X. M. Lai. "Investigation on thickness size effect on ductility of magnetron sputtered Niobium coatings on SS316L substrate for forming of precoated metallic bipolar plates." IOP Conference Series: Materials Science and Engineering 1270, no. 1 (2022): 012111. http://dx.doi.org/10.1088/1757-899x/1270/1/012111.

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Metallic bipolar plates (BPPs) are key components of the proton exchange membrane fuel cell (PEMFC). To lower the fabrication cost of metallic BPPs, precoated BPPs have attracted much attention due to the high efficiency of precoating-stamping process. However, precoatings on metallic substrate tend to crack during the forming process, leading to deterioration or even complete loss of corrosion resistance. Therefore, to avoid micro cracks of formed precoated BPPs, development of coatings with high ductility is necessary. In this study, Niobium coatings with different thicknesses on SS316L subs
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22

Li, J.-B., K. Jiang, and G. J. Davies. "Novel die-sinking micro-electro discharge machining process using microelectromechanical systems technology." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 220, no. 9 (2006): 1481–87. http://dx.doi.org/10.1243/09544062jmes323ft.

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A novel die-sinking micro-electro discharge machining (EDM) process is presented for volume fabrication of metallic microcomponents. In the process, a high-precision silicon electrode is fabricated using deep reactive ion etching (DRIE) process of microelectromechanical systems (MEMS) technology and then coated with a thin layer of copper to increase the conductivity. The metalized Si electrode is used in the EDM process to manufacture metallic microcomponents by imprinting the electrode onto a flat metallic surface. The two main advantages of this process are that it enables the fabrication o
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23

Weimer, Daniel, Hendrik Thamer, Carolin Fellmann, Michael Lütjen, Klaus-Dieter Thoben, and Bernd Scholz-Reiter. "Towards 100% In-situ 2D/3D Quality Inspection of Metallic Micro Components Using Plenoptic Cameras." Procedia CIRP 17 (2014): 847–52. http://dx.doi.org/10.1016/j.procir.2014.01.115.

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24

Kowalski, Piotr R., Monika Kasina, and Marek Michalik. "Distribution of minor metallic elements within waste incineration bottom ashes defined by WDX/EDX spectrometry." Advances in Geosciences 45 (September 5, 2018): 259–65. http://dx.doi.org/10.5194/adgeo-45-259-2018.

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Abstract. A number of metallic elements are inherited from waste during thermal treatment and concentrated in the incineration residues. Because the major part of the incineration residue mass are bottom ashes (BAs), their study is of great importance from the point of view of their environmental impact or resource potential. The general focus of this study was on the minor metallic elements present in BAs. They co-occurred with main phases and often determined the inherited potential of the material. The analysed residues were produced from municipal and industrial waste. The BAs were studied
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Klemm, Alina, Farrokh Taherkhani, and Max Gündel. "Additive manufacturing of steel components by cold spraying." ce/papers 6, no. 3-4 (2023): 739–44. http://dx.doi.org/10.1002/cepa.2461.

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AbstractDesign of steel structures in the construction industry uses built‐up or rolled steel sections. These are processed as steel elements and connected together at joints. Massive and complex steel nodes such as those in steel frame bridges or truss structures are still manufactured by forging or casting to avoid weld seams in highly stressed areas. Since this is a manual manufacturing process, it results in increased costs and time. Cold spray (CS) technology has recently attracted attention in aerospace and automotive engineering for producing metallic, composite coatings as well as repa
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Zhang, H. D., L. Deng та X. Y. Wang. "Research on ultrasonic vibration assisted ploughing-extrusion process in forming μ-scale micro grooves". IOP Conference Series: Materials Science and Engineering 1270, № 1 (2022): 012104. http://dx.doi.org/10.1088/1757-899x/1270/1/012104.

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The surface micro groove structure on metallic components has received extensive attention for its role in improving the heat transfer coefficient. Limited by the size effect, it is difficult to manufacture μ-scale micro groove structure with large depth-to-width ratio through conventional extrusion or rolling processes. A novel UV assisted ploughing-extrusion process was proposed to manufacture μ-scale micro grooves. A series of UV assisted compression tests were conducted to study the acoustic deformation behavior of α-Ti, and a modified Ludwik model were established., The influence of defor
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27

Jamshidi, Reihaneh, Yuanfen Chen, Kathryn White, Nicole Moehring, and Reza Montazami. "Mechanics of Interfacial Bonding in Dissimilar Soft Transient Materials and Electronics." MRS Advances 1, no. 36 (2016): 2501–11. http://dx.doi.org/10.1557/adv.2016.432.

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ABSTRACTSoft transient electronics of polymeric substrates and silver-ink electronics are studied for correlated mechanical-electrical properties. Experimental and predictive finite element analysis are used to understand, explain and predict delamination, cracking, buckling, and failure of printed conductive components of such systems. An active transient polymer system consisting of poly(vinyl alcohol) and sodium bicarbonate is introduced that results in byproducts (alkaline and bubbles) when undergoing transiency. These byproducts are facilitated to control and expedite transiency of the el
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28

Wang, Xinwei, Jie Xu, Chunju Wang, et al. "Bio-Inspired Functional Surface Fabricated by Electrically Assisted Micro-Embossing of AZ31 Magnesium Alloy." Materials 13, no. 2 (2020): 412. http://dx.doi.org/10.3390/ma13020412.

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Developing bio-inspired functional surfaces on engineering metals is of extreme importance, involving different industrial sectors, like automotive or aeronautics. In particular, micro-embossing is one of the efficient and large-scale processes for manufacturing bio-inspired textures on metallic surfaces. However, this process faces some problems, such as filling defects and die breakage due to size effect, which restrict this technology for some components. Electrically assisted micro-forming has demonstrated the ability of reducing size effects, improving formability and decreasing flow stre
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29

Hartl, Christoph. "Review on Advances in Metal Micro-Tube Forming." Metals 9, no. 5 (2019): 542. http://dx.doi.org/10.3390/met9050542.

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Metallic tubular micro-components play an important role in a broad range of products, from industrial microsystem technology, such as medical engineering, electronics and optoelectronics, to sensor technology or microfluidics. The demand for such components is increasing, and forming processes can present a number of advantages for industrial manufacturing. These include, for example, a high productivity, enhanced shaping possibilities, applicability of a wide spectrum of materials and the possibility to produce parts with a high stiffness and strength. However, certain difficulties arise as
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Liu, Yong, Haoran Chen, Shenghai Wang, Kan Wang, Minghao Li, and Tengfei Peng. "Micro Electrochemical Milling of Micro Metal Parts with Rotating Ultrasonic Electrode." Sensors 20, no. 22 (2020): 6617. http://dx.doi.org/10.3390/s20226617.

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With the rapid development of MEMS, the demand for metal microstructure is increasing. Micro electrochemical milling technology (MECM) is capable of manufacturing micro metallic devices or components based on the principle of electrochemical anode dissolution. To improve the capacity of MECM, this paper presents a compound method named ultrasonic vibration-assisted micro electrochemical milling technology (UA-MECM). Firstly, the simulation and mathematical model of UA-MECM process is established to explain the mechanism of ultrasonic vibration on micro electrochemical milling. Then, the effect
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31

Yamada, Rui, Noriharu Yodoshi, and Akira Kawasaki. "Novel Fabrication Process of Micro Components by Viscous Flowing of Iron Based Metallic Glassy Monodispersed Particles." Tetsu-to-Hagane 100, no. 8 (2014): 1006–13. http://dx.doi.org/10.2355/tetsutohagane.100.1006.

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Kumar, Vijay, Rajeev Verma, Vishal S. Sharma, and Varun Sharma. "Recent progresses in super-hydrophobicity and micro-texturing for engineering applications." Surface Topography: Metrology and Properties 9, no. 4 (2021): 043003. http://dx.doi.org/10.1088/2051-672x/ac4321.

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Abstract Increasing interests have been prevalent lately among the research fraternity for the development of superhydrophobic surfaces (SHS) considering the favorable properties exuded by them. Recently, SHS have been employed effectively in diverse engineering applications like self-cleaning/anti-dust, anti-reflecting coatings, corrosion resistance, anti-biofouling, biomedical, oil-water separation, drag reduction, anti-icing, and cavitation erosion. Further, patterned topology by micro/nano surface texturing has been perceived lately as an engineering opportunity to enhance the surface perf
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33

Zhang, Lin, Abolfazl Zolfaghari, Wenchen Zhou, Yang Shu, and Allen Y. Yi. "Flexible metallic mold based precision compression molding for replication of micro-optical components onto non-planar surfaces." Precision Engineering 76 (July 2022): 149–59. http://dx.doi.org/10.1016/j.precisioneng.2022.03.015.

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34

Fu, M. W., J. L. Wang, and A. M. Korsunsky. "A review of geometrical and microstructural size effects in micro-scale deformation processing of metallic alloy components." International Journal of Machine Tools and Manufacture 109 (October 2016): 94–125. http://dx.doi.org/10.1016/j.ijmachtools.2016.07.006.

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35

Kraus, Martin, and Marion Merklein. "Investigation of Size Effects in Multi-Stage Cold Forming of Metallic Micro Parts from Sheet Metal." Micromachines 12, no. 12 (2021): 1561. http://dx.doi.org/10.3390/mi12121561.

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Product miniaturisation and functional integration are currently global trends to save weight, space, materials and costs. This leads to an increasing demand for metallic micro components. Thus, the development of appropriate production technologies is in the focus of current research activities. Due to its efficiency, accuracy and short cycle times, microforming at room temperature offers the potential to meet the steadily increasing demand. During microforming, size effects occur which negatively affect the part quality, process stability, tool life and handling. Within this contribution, a
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Fan, Guochao, Xiaolei Chen, Krishna Kumar Saxena, Jiangwen Liu, and Zhongning Guo. "Jet Electrochemical Micromachining of Micro-Grooves with Conductive-Masked Porous Cathode." Micromachines 11, no. 6 (2020): 557. http://dx.doi.org/10.3390/mi11060557.

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Surface structures with micro-grooves have been reported to be an effective way for improving the performance of metallic components. Through-mask electrochemical micromachining (TMEMM) is a promising process for fabricating micro-grooves. Due to the isotropic nature of metal dissolution, the dissolution of a workpiece occurs both along the width and depth. Overcut is generated inevitably with increasing depth, which makes it difficult to enhance machining localization. In this paper, a method of electrochemical machining using a conductive masked porous cathode and jet electrolyte supply is p
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Buzdugan, Dragoş, Cosmin Codrean, Viorel Aurel Şerban, and Mircea Vodǎ. "Mechanical Behavior of Fe60Co14Ga2P10B5Si3Al3C3 Bulk Metallic Glass." Solid State Phenomena 216 (August 2014): 45–48. http://dx.doi.org/10.4028/www.scientific.net/ssp.216.45.

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Development of Fe-based bulk metallic glasses (BMG) with good mechanical and soft magnetic properties has become a major objective in the materials science field. Bulk metallic glasses present an interesting combination of properties. They exhibit very high strength (both in tension and compression), large elastic elongation limit, high hardness, excellent corrosion resistance, and good soft magnetic properties. These properties makes them suitable for many applications like high resistant control cables, pressure vessels, micro-components, pressure sensors, microgears for motors, magnetic cor
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Bardera, Rafael, Ángel Antonio Rodriguez-Sevillano, Estela Barroso Barderas, Suthyvann Sor, and Juan Carlos Matías García. "Calibration of a 3-Component External Balance for MAVs Wind Tunnel Research." Applied Sciences 14, no. 23 (2024): 11236. https://doi.org/10.3390/app142311236.

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This paper presents a 3-component external balance, specifically designed, built, and calibrated at the National Institute for Aerospace Technology (INTA) for measuring aerodynamic forces on Micro Aerial Vehicles in the wind tunnel. The balance employs high-precision strain gauge cells as its load-sensing elements, strategically positioned in a metallic structure to measure lift force, aerodynamic drag force, and pitching moment. The entire calibration process of the balance, including the mathematical formulation to derive the calibration matrix and the calibration bench designed and manufact
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Yang, Sam, Da Chao Gao, Tim Muster, et al. "Microstructure of a Paint Primer - a Data-Constrained Modeling Analysis." Materials Science Forum 654-656 (June 2010): 1686–89. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.1686.

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Metallic aerospace components are commonly painted with a primer to improve their corrosion resistance. The primer contains a polymer matrix with embedded corrosion inhibitor and filler particles. Its performance is determined by the microscopic distributions of the particles. Various techniques have been used to quantify such distributions, including X-ray micro-computed tomography (CT). However, its success is sometimes limited by factors such as different particles having similar X-ray CT absorption properties and their size being smaller than the resolution of micro-CT. In this paper, we h
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Zhang, Junzhong, Pingmei Ming, Xinmin Zhang, et al. "Facile Fabrication of Highly Perforated Hollow Metallic Cylinder with Changeable Micro-Orifices by Electroforming-Extrusion Molding Hybrid Process." Micromachines 11, no. 1 (2020): 70. http://dx.doi.org/10.3390/mi11010070.

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A seamless thin-walled hollow metallic cylinder with array of micro-perforations is one of the key components for some products. Normally, these micro-perforations are formed by removing material from the given metallic hollow cylinder (pipe or tube) one by one or row by row. To efficiently and flexibly manufacture such a highly perforated hollow cylinder, this paper proposed a hybrid technique combining extrusion moulding process and electroforming process. In the hybrid technique, the extrusion moulding process was used to create polymer extrusion patterns on the outside surface of the given
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Fejdyś, Marzena, Karolina Olszewska, Sylwia Kaczmarczyk, and Grzegorz Owczarek. "Coatings manufactured using magnetron sputtering technology to protect against infrared radiation for use in firefighter helmets." Polish Journal of Chemical Technology 18, no. 3 (2016): 50–58. http://dx.doi.org/10.1515/pjct-2016-0048.

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Abstract The aim of this study was to test the usefulness of magnetron sputtering technology to produce coatings on selected elements of a firefighter’s helmet to protect against infrared radiation (PN-EN 171 standard). The scope of research includes testing the deposition produced via magnetron sputtering of metallic and ceramic coatings on plastics, which are used to manufacture the components comprising the personal protection equipment used by firefighters. The UV-VIS, NIR used to research the permeation coefficients and reflections for light and infrared light and the emission spectrometr
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42

Zarbov, Martin, David Brandon, Leah Gal-Or, and Nissim Cohen. "EPD of Metallic Silver Particles: Problems and Solutions." Key Engineering Materials 314 (July 2006): 95–100. http://dx.doi.org/10.4028/www.scientific.net/kem.314.95.

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Cerel has devoted the past several years to the development of prototype microcomponents for the electronics industry based on EPD processing. The present contribution summarizes some problems Cerel has experienced in the integration of EPD for metallic silver particles into a viable production process. In particular, the parameters that need to be controlled due to the metallic nature of the silver particles have been analyzed. Selection of a metallic silver powder suitable for EPD is the key factor. An appropriate particle size and shape, as well as a controlled size distribution, significan
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Siedlecki, Krzysztof, Marcin Słoma, and Andrzej Skalski. "Comparison between Micro-Powder Injection Molding and Material Extrusion Additive Manufacturing of Metal Powders for the Fabrication of Sintered Components." Materials 16, no. 23 (2023): 7268. http://dx.doi.org/10.3390/ma16237268.

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Original compositions based on iron micro-powders and an organic binder mixture were developed for the fabrication of sintered metallic elements with micro-powder injection molding (µPIM) and material extrusion additive manufacturing of metal powders (MEX). The binder formulation was thoroughly adjusted to exhibit rheological and thermal properties suitable for µPIM and MEX. The focus was set on adapting the proper binder composition to meet the requirements for injection/extrusion and, at the same time, to have comparable thermogravimetric characteristics for the thermal debinding and sinteri
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44

Pahlevani, Farshid, Koichi Anzai, and E. Niyama. "Quick Semi-Solid Slurry Making Method Using Metallic Cup." Solid State Phenomena 141-143 (July 2008): 463–68. http://dx.doi.org/10.4028/www.scientific.net/ssp.141-143.463.

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The needs for high-strength and light weight structural materials have increased in automotive and aerospace structure applications. The semi-solid processed light alloys inherently offer the opportunity to produce high integrity components for these requirements. Various processing methods exist for applying agitation to a molten metal during solidification to obtain metal slurries suitable for semi-solid metal processing. In this paper, a new technique (Cup-Cast method) to achieve semi-solid metal structure using agitation and direct spherical growth during solidification is reported. Cup-Ca
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S., J. Mulani, and D. Awasare A. "Friction Stir Welding of Aluminium Alloys: Process Optimization and Micro structural Analysis." Research and Reviews: Journal of Mechanics and Machines 6, no. 1 (2024): 12–16. https://doi.org/10.5281/zenodo.10842834.

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<em>For joining aluminum amalgams, offering benefits like diminished mutilation, insignificant deformities, and improved mechanical properties contrasted with customary combination welding strategies. This study investigates the optimization of FSW parameters and analyzes the resulting microstructures in aluminum alloy materials. Various aluminum alloy compositions were subjected to FSW under different welding conditions, including tool rotation speed, traverse speed, and applied pressure. Microstructural characterization techniques such as optical microscopy and electron microscopy were emplo
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46

Hofmann, Christian, Maulik Satwara, Martin Kroll, et al. "Localized Induction Heating of Cu-Sn Layers for Rapid Solid-Liquid Interdiffusion Bonding Based on Miniaturized Coils." Micromachines 13, no. 8 (2022): 1307. http://dx.doi.org/10.3390/mi13081307.

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Considering the demand for low temperature bonding in 3D integration and packaging of microelectronic or micromechanical components, this paper presents the development and application of an innovative inductive heating system using micro coils for rapid Cu-Sn solid-liquid interdiffusion (SLID) bonding at chip-level. The design and optimization of the micro coil as well as the analysis of the heating process were carried out by means of finite element method (FEM). The micro coil is a composite material of an aluminum nitride (AlN) carrier substrate and embedded metallic coil conductors. The c
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Mahdavi, Hamidreza, Konstantinos Poulios, and Christian F. Niordson. "Determination of optimal residual stress profiles for improved rolling contact fatigue resistance." MATEC Web of Conferences 300 (2019): 06002. http://dx.doi.org/10.1051/matecconf/201930006002.

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A theoretical framework is developed for the evaluation of favorable residual stress profiles, suppressing fatigue damage initiation in rolling contact fatigue. Non-metallic inclusions at the microstructure of bearings are one of the most important reasons for fatigue damage initiation since they act as stress risers. In order to evaluate the stress state around such inclusions at the micro-scale, macroscopic stress histories are determined by Hertzian contact theory at different depths below the raceway for a typical roller bearing. These stress distributions are then used as far-field stress
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Sadowski, Tomasz, and Przemysław Golewski. "Heat Transfer in Composites Subjected to Temperature Variations." Solid State Phenomena 216 (August 2014): 140–45. http://dx.doi.org/10.4028/www.scientific.net/ssp.216.140.

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The heat transfer problem in the 2-phase composite material containing metallic and elastic phases, subjected to quick temperature variations, is the aim of theoretical analysis. The full description of the composite behaviour starts from the formulation of governing equations at 2-scale levels: micro-and macro-, passes through specification of the internal structure of the composite and finishes by numerical solution of the heat transfer problem through the considered material sample. The most important in the analysis are thermo-mechanical properties of the composite components creating the
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Kotlarski, Georgi, Maria Ormanova, Alexander Nikitin, et al. "Microstructural and Mechanical Properties of CAP-WAAM Single-Track Al5356 Specimens of Differing Scale." Machines 12, no. 1 (2024): 72. http://dx.doi.org/10.3390/machines12010072.

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The mass production of metallic components requires high agility in the working process conditioned by the necessity of building details of different shapes and sizes. Changing the size of the components theoretically influences the thermal dissipation capability of the same, which could lead to a change in their structure and mechanical properties. This is particularly important when aluminum alloys are concerned. For this reason, two Al5356 single-track specimens were built using the same technological conditions of layer deposition by varying only their geometrical size. In all cases, the s
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Reimche, W., Friedrich Wilhelm Bach, Rainer Duhm, G. Mroz, and M. Bernard. "Setting of Gradient Material Properties and Quality Control of High Tension 3D-Weld Joints." Advanced Materials Research 22 (August 2007): 113–25. http://dx.doi.org/10.4028/www.scientific.net/amr.22.113.

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Modern metallic materials used in high loading structures are increasingly being placed under stringent standards with regard to the mechanical strength and deformation properties of their individual parts as well as with regard to the loading capacity of their junctions. In order to determine the strain profile of the individual structural components, the mentioned topics will be taken from the SFB 675 “High tensile, locally manipulated structural components and structures” from the subproject C4 “Setting of gradient material properties and qualification of high-tension 3D-NVEB weld joints”.
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