Metal Micro-Forming

Manabe, Katsushi

doi:10.3390/met10060813

Cited by 3 publications

(1 citation statement)

References 11 publications

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“…It's a microfabrication process for micro components that makes use of metal's superior mechanical and functional qualities, and it's a significant forming technology that's has been reduced in size to the micron size range, making it perfect for manufacturing. According to Yole Développement, the microelectromechanical systems (MEMS) industry in micro-manufacturing would grow at a CAGR of 7.5% for medical applications, 43.6% for telecom applications, and 11.0% for industrial applications from 2018 to 2024 [14]. Due to increasing miniaturization in a variety of fields, such as medical equipment, precision equipment, communication equipment, micro-electromechanical systems, and microfluidic systems, demand for smallsized products has grown significantly.…”

Section: Micro Formingmentioning

confidence: 99%

Micro Forming and its Application: A Critical Review

Tiwari¹,

Kakandikar²,

Kulkarni³

2022

J. Engg. Res. & Sci.

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In terms of manufacturing methods/processes, micro-manufacturing has received a lot of attention around the world. Micro-forming is one of the most widely used micro-manufacturing techniques. The micro forming is based on the properties of materials based on the process of shaping parts and object by mechanical deformation. Many efforts had been focused on micro-forming, in particular the deep drawing process, because of the method's ability to produce an extensive variety of products, particularly in its conventional macro-process. This method is used to create the majority of everyday items. Although efforts were made to develop micro-forming for industrial use, the technique was deemed to be insufficiently advanced. Much development effort was required, in particular, to design a completely computerized high-extent production micro-forming machine that is dependable and ready to perform always in terms of procedures, material handling, and tooling to assure effective micro-product production. Micro forming, which is discussed in this work, is also one of the often-used micro-forming methods in deforming procedures. Finally, in addition to continuing to improve micro forming, this study aims to investigate the essential methods of the Limit dome height test, Nakajima test, M K Model test, and deep drawing processes and their major concerns in a systematic manner.

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Section: Micro Formingmentioning

confidence: 99%

Micro Forming and its Application: A Critical Review

Tiwari¹,

Kakandikar²,

Kulkarni³

2022

J. Engg. Res. & Sci.

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The Investigations on Formability of Tantalum RO5200 Thin Foils: Bio-Material.

Kulkarni

Kakandikar

2023

IOP Conf. Ser.: Mater. Sci. Eng.

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Tantalum RO5200 (TaRO5200) is an excellent and new emerging Bio-material with wide applications. The most important property of TaRO5200 is Osseointegration which helps in integration of direct structural and functional connection between living bone and the surface. The process of forming in at actual is a plastic deformation where in the material is transforming in permanently is some shape without occurrence of any type of defect of failure. Few different types of failure enlisted are local necking, wrinkling, earing etc. In recent days transforming from macro level to micro level is now trending part of life. The most difficult part in moving towards micro level forming which means forming sheets under 100 microns thickness, is control over process. Hence this gives significance and rise for the investigations over forming at micro level and prediction of mechanical and formability properties at micro level. This research work posited in this paper focusses on the plotting of Forming limit curve (FLC) which is one of the methods to investigate formability of ultra-thin foil of TaRO5200 with sheet thickness 80 microns (μm). The experiments performed for FLC plotting were based on the Nakkajima test following the ASTM 2218-14 standards. The FLCs are plotted experimentally and via numerical simulation as well which in comparison shows a good agreement. The variance obtained between experimental and numerical simulation is up to 15%. Which in another words can be stated as numerical simulation is 15% safer in design than the experimental work. The novelty of the work lies in testing of the bio material and defining FLC by performing experiments via newly designed tool for the specific sheet thickness of 80 μm following the ASTM standards. Microstructural study is also performed on the specimen prior and after forming test to analyse and understand the physics along with mechanism of the material in test. The material behaviour is also explained in the microstructural study section.

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Dry Friction Analysis in Doped Surface by Network Simulation Method

et al. 2023

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Dry friction cannot be understood on a macroscopic scale without knowing what happens at the contact of sliding surfaces on an atomic scale. Tests on this scale are very expensive and very sensitive to the effects of contamination or inaccurate fittings. On the other hand, the sample dimensions are small because of the requirements of the test equipment, which makes it difficult to generalise the conclusions drawn. This work reviews the models used to analyse friction processes, and proposes the application of one of the models, the Frenkel–Kontorova–Tomlinson (FKT) model, to study the dry frictional behaviour of doped surfaces. The study shows that for concreted types of doped pattern, the behaviour can change from chaotic to periodic depending on the stiffness, which in turn are associated with temperature.

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Metal Micro-Forming

Abstract: Metal micro-forming is the technological field of micro-manufacturing [...]

Cited by 3 publications

References 11 publications

Micro Forming and its Application: A Critical Review

Micro Forming and its Application: A Critical Review

The Investigations on Formability of Tantalum RO5200 Thin Foils: Bio-Material.

Dry Friction Analysis in Doped Surface by Network Simulation Method

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