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Design-Opportunities and Limitations on Additive Manufacturing Determined by a Suitable Test-Specimen [chapter]

Karlheinz P. J. Hoeren, Gerd Witt
2013 IFIP Advances in Information and Communication Technology  
Furthermore, the specimen is designed as a web of test-areas, connected by bars.  ...  In order to convey these limitations and to show how de-tailed and filigree parts can be generated, a test-specimen has been designed that suits processes with-and without support-structures.  ...  Based on this geometry, the design-opportunities and limitations of the described tech-nologies will be evaluated.  ... 
doi:10.1007/978-3-642-41329-2_15 fatcat:s32fjfn2xjhxnlqqzdrxhipebm

The design and assessment of bio-inspired additive manufactured stab-resistant armour

A. A. Johnson, G. A. Bingham, C. E. Majewski
2017 Virtual and Physical Prototyping  
parameters, for the realisation and assessment of a scale-based stab resistant armoured structure to internationally recognised test standards.  ...  The research presented within this paper therefore utilises a series of key design characteristics exhibited within naturally occurring elasmoid scale armour, coupled with established Laser Sintering manufacturing  ...  determine the relationship between the established design characteristics and impact on protective performance and articulation/manoeuvrability. (3) Assess post-processing opportunities to enhance the  ... 
doi:10.1080/17452759.2017.1369438 fatcat:wuoepqhaobd77c4a2pdn476o4a

Structure of Polymer-cement Composite optimized with Secondary Raw Materials

Petr Figala, Rostislav Drochytka, Vít Černý, Jiří Kolísko
2019 Materials Structures Technology  
Selected test specimens were subjected to compressive strength determination after 3, 28 and 90 days.  ...  Samples of selected mix-designs were subjected to Computed Tomography to determine influence of substitution of cement with individual additions on structure of polymer-cement composite.  ...  LO1408 "AdMaS UP -Advanced Materials, Structures and Technologies", supported by Ministry of Education, Youth and Sports under the "National Sustainability Programme I".  ... 
doi:10.31448/mstj.01.01.2018.26-31 fatcat:4fn4htaebjhmbnks4cwbbr6doq

Manufacture of a Home-Made Spot Welding Machine from Household Electronic Waste

Tamás Bíró, József Bálint Renkó
2021 Acta Materialia Transilvanica  
Nowadays, spot-welding technologies are being used on a very wide range of applications.  ...  Such a device could be produced more cost-effectively than those currently available on the market, while using household electronic waste.  ...  Acknowledgement The publication of the work reported herein has been supported by the nTP-SZkOLL-20-0067 national Talent Programme of the Ministry of Human Capacities.  ... 
doi:10.33924/amt-2021-02-02 fatcat:pdm4kx3ps5d2rdnpgkjdidqwim

In-Space Manufacturing Baseline Property Development [chapter]

Tom Stockman, Judith Schneider, Tracie Prater, Quincy Bean, Nicki Werkheiser
2016 TMS 2016 145th Annual Meeting & Exhibition  
This is difficult for additive manufacturing since standards and specifications do not yet exist for these technologies.  ...  Due to availability of crew time, there are limitations to the sample size which in turn limits the application of the traditional design allowables approaches to develop a materials property database  ...  Limitations on astronaut crew time impart a unique challenge by significantly limiting the number of test coupons that can be produced to quantify material properties and verify the materials produced  ... 
doi:10.1007/978-3-319-48254-5_22 fatcat:oa4chi2va5eudku7gwgweiiwcm

The design of additively manufactured lattices to increase the functionality of medical implants

Hanna E. Burton, Neil M. Eisenstein, Bernard M. Lawless, Parastoo Jamshidi, Miren A. Segarra, Owen Addison, Duncan E.T. Shepherd, Moataz M. Attallah, Liam M. Grover, Sophie C. Cox
2019 Materials Science and Engineering C: Materials for Biological Applications  
Antimicrobial functionality may be achieved by modifying the implant design to incorporate a reservoir that locally releases a therapeutic.  ...  This study explores the opportunity to exploit the design flexibilities possible using additive manufacturing to develop porous lattices that maximise the volume available for drug loading while maintaining  ...  This study assessed the suitability of additively manufactured titanium lattices as an alternative design for hip cement spacers, to decrease associated morbidity and further surgery.  ... 
doi:10.1016/j.msec.2018.10.052 pmid:30423778 fatcat:uugqxdqznndrjb7n3fu5fetpea

Developing a high-fidelity knowledge base for improvements in the non-destructive testing of advanced composite material products

Nikita Gandhi, Rob Rose, Anthony Croxford, Carwyn Ward
2020 Procedia Manufacturing  
and limitations of selected detection methods.  ...  and limitations of selected detection methods.  ...  Acknowledgements This work is supported by the Engineering and Physical Sciences Research Council through the EPSRC Centre for Doctoral Training in Composites Manufacture (grant: EP/L015102/1) and The  ... 
doi:10.1016/j.promfg.2020.10.049 fatcat:h6w4qakqebe2ji6v7w44xwkx7i

Comparison of mechanical and geometrical properties of octet lattice structures using the electron beam melting

Bilçen MUTLU
2021 Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi  
A comparison between specimens having same structural design (1, 2 and 4) has been made to gain insight about consistency of EBM method.  ...  Firstly, octet truss structure designed and used to fill specimens.  ...  In addition, each of the tests was carried out in TUSAS facilities. We would like to thank you for the opportunities provided by the Turkish aviation industry.  ... 
doi:10.28948/ngumuh.911834 fatcat:cu4hoxavcfehdklv7owlk4m4hi

Autoclave design for high pressure-high temperature corrosion studies

B.A. Lasebikan, A.R. Akisanya, W.F. Deans
2015 Journal of Engineering, Design and Technology  
The autoclave can be used as standalone or integrated with mechanical testing machine and thus enables corrosion studies under a wide range of loading.  ...  There is a need for Research Implications/limitations: The maximum design pressure of 15 MPa is more than sufficient for high pressure corrosion studies in aqueous solution where partial pressure of the  ...  Acknowledgements The authors gratefully acknowledge the contribution of Steve Cawley of John Cardwell Limited and Jim Herrmann of Cortest for the manufacture of the autoclave and for the permission to  ... 
doi:10.1108/jedt-08-2013-0057 fatcat:cmwweunr2be7jcbaugxyvpq4ra

Application of Additive Technology in Precision Casting

Dávid Halápi, László Varga
2020 International Journal of Engineering and Management Sciences  
They provide greater freedom of design, more sophisticated pieces, and prototypes can be finished in a shorter amount of time.  ...  In this paper the surface of the prepared test specimens had been examined with light microscopy and surface roughness measurements.  ...  The realization of this project is supported by the European Union, co-financed by the European Social Fund."  ... 
doi:10.21791/ijems.2020.2.6. fatcat:jhra3gnnv5fbxgpeadqi7ak64a

A STRUCTURED APPROACH TO REDUCE DESIGN ITERATIONS IN ADDITIVE MANUFACTURING

Laura Wirths, Matthias Bleckmann, Kristin Paetzold
2021 Proceedings of the Design Society  
Nevertheless, limitations given by the manufacturing process apply to the geometric design freedom.  ...  AbstractAdditive Manufacturing technologies are based on a layer-by-layer build-up. This offers the possibility to design complex geometries or to integrate functionalities in the part.  ...  The new design opportunities enable the combination of several individual components into a single one by means of integral construction.  ... 
doi:10.1017/pds.2021.24 fatcat:aqkcf3673zfxtmoe5nekz4pgza

Design and Characterization of Electrically Conductive Structures Additively Manufactured by Material Extrusion

Hagen Watschke, Karl Hilbig, Thomas Vietor
2019 Applied Sciences  
Based on the experiments, solution principles and design rules for additively manufactured electrically conductive structures are derived.  ...  Multi-material additive manufacturing offers new design freedom for functional integration and opens new possibilities in innovative part design, for instance, a local integration of electrically conductive  ...  The design of experiments was limited to the determination of resistivity (cf. specimen shown in Figure 1 ).  ... 
doi:10.3390/app9040779 fatcat:xaxkw4mgnvda7cxi2jxuzyhauq

A Design Modification Approach to Utilize the Benefits of Metal Additive Manufacturing Adoption

Jun Hao Tan, Wee Koon Woon, Wai Leong Eugene Wong
2016 Journal of Materials Science and Chemical Engineering  
In this exemplary work, a feasibility study on using stainless steel material with integrated cellular design to manufacture a guide bracket found on a military vehicle via Selective Laser Melting process  ...  In terms of design conventions, the limitless geometrical freedom allows complex structures including cellular internal grids and lattices to be formed without additional tooling.  ...  To reiterate on the beneficial effects of additive manufacturing adoption, the paper presents a case study on the feasibility of using an alternative material with proposed design modification to fabricate  ... 
doi:10.4236/msce.2016.47008 fatcat:wegbcbbe4fhqradodlrfigtcja

Hybrid Additive Manufacturing - Requirements Engineering Framework for Process Chain Considerations

Jan-Henrik Schneberger, Tobias Häfele, Jerome Kaspar, Michael Vielhaber
2019 Proceedings of the International Conference on Engineering Design  
AbstractAdditive Manufacturing (AM) provides significant opportunities for design and functional integration of parts and assemblies.  ...  By incorporating thorough analyses of general organizational and resort overarching limitations, this contribution promotes a successful implementation of suitable AM strategies.  ...  features of test specimen).  ... 
doi:10.1017/dsi.2019.372 fatcat:owhwx4jpmvhfvhb67ll2diwfou

Indigenous Design for Automatic Testing of Tensile Strength Using Graphical User Interface

Rafay Ali, Faraz Junejo, Rafey Imtiaz, Usama Sultan Shamsi, D. Zhang, B. Zi, G. Cui, H. Ding
2016 MATEC Web of Conferences  
and examining material properties on practical grounds with a minimum expenditure.  ...  to provide material testing opportunity to the students of different institutions, locally and globally, at lowest price; so that they can have a comprehensive understanding of the testing procedures  ...  Each system has advantages and disadvantages; for example, shoulders designed for serrated grips are easy and cheap to manufacture, but the alignment of the specimen is dependent on the skill of the technician  ... 
doi:10.1051/matecconf/20167708007 fatcat:zzg5i4zcijextptjvki3pzxozy
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