Materials engineering topic list of research papers
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Evaluation of residual mechanical properties of steel fiber-reinforced reactive powder concrete after exposure to high temperature using nondestructive testing
Abstract Reactive powder concrete (RPC) is classified as ultra-high performance concrete, owing to its superior strength, excellent durability and high fracture energy. However, RPC may also be severely affected by devastating fire exposures. This...
2017 / Xiaomeng Hou, Muhammad Abid, Wenzhong Zheng, Ghulam Qadir Waqar -
Improved Design of a Worm Type Instrument for Final Machining of Evolvent Gear Teeth
Abstract In connection with the absence of possibility to process gear-wheels with large allowance at machining of disk shavers (for example, after the preliminary rolling-up of points), N.V. Smorkalov et al. have worked out the construction of a...
2017 / A.N. Golovko, A.G. Kondrashov, S.Yu. Yurasov -
Mechanical properties of steel fiber-reinforced reactive powder concrete at high temperature and after cooling
Abstract Reactive powder concrete (RPC) is advanced cement-based material. It is produced through microstructure enhancement technique. Like other types of concretes, RPC has also been affected by severe environmental conditions such as accidental...
2017 / Muhammad Abid, Xiaomeng Hou, Wenzhong Zheng, Ghulam Qadir Waqar -
Influence of the application of a PN+CrN hybrid layer on improvement of the lifetime of hot forging tools
Abstract This article presents the results of field tests of forging tools in a selected hot forging process of cover plate. The tools with PN+CrN hybrid layer, applied to improve their operating life, were tested in comparison to gas-nitrided...
2017 / Zbigniew Gronostajski, Marek Hawryluk, Paweł Widomski, Marcin Kaszuba, Jacek Ziemba, et al. -
Time-dependent springback of a commercially pure titanium sheet
Abstract Time-dependent springback of a commercially pure titanium sheet was investigated experimentally from the viewpoints of strain rate, holding time at the bottom dead center before unloading, and elapsed time after unloading. A draw-bending...
2017 / Takayuki Hama, Takeyuki Sakai, Yusuke Fujisaki, Hitoshi Fujimoto, Hirohiko Takuda -
Quantification analysis of the heterogeneity of microstructure of dual phase steel
Abstract Requirements for weight reduction and increased formability in the automotive industry have largely contributed to the development of dual phase (DP) steels, which is a widespreadly kind of high strength steels. Due to the microstructural...
2017 / C. Ren, W.J. Dan, T.T. Huang, W.G. Zhang -
Mechanical joining of shaft and holed disc in rotational and axial directions
Abstract Shaft parts have great demands especially in the automotive industry and are manufactured by various processing routes depending on the requirements. Joining-by-forming is receiving increasing attention as a cost-effective production method ...
2017 / Kenji Hirota, Kazuhiko Kitamura, Yoshihiko Ukai, Keiichi Matsunaga -
Hole Making Process of Metal and Composite Sheets by Impact Hydraulic Pressure
Abstract Hole making process of metal and composite sheets using impact hydraulic pressure is investigated. The sheet is mounted in contact with the die face that locates at the bottom end of the cylinder. The piston at the top end is impacted by a...
2017 / Minoru Yamashita, Takuya Mori, Makoto Nikawa -
Simulation of Airflow Characteristics induced by Fabric Air Dispersion System with Orifices Using Direct Description Method
Abstract In present work, the FADS is described using the porous media model, which is called the direct description (DD) method. The simulation is conducted using the commercial software Fluent with modified k - ε model. Simulation results show...
2017 / Fujiang Chen, Wang Lu, Qinyu Wu, Haifei Chen, Jianfang Chen, et al. -
The deformation of metal powder particles: hardness and microstructure
Abstract The modelling of powder densification requires knowledge about the material properties of the particles. Some models use the material properties of the material in bulk as inputs for modelling the densification of assemblies of powder...
2017 / José M.C. Azevedo, André Cabrera Serrenho, Julian M. Allwood -
Development of Endothermic Properties and Improvement of Tribotechnological Properties in Oil Cutting and Cooling Lubricants
Abstract The article demonstrates the opportunity to use nanoclay mineral additions as heat-absorbing components of cutting and cooling lubricants (CLs), gives theoretical justification of the opportunity to manifest the endothermic effect at...
2017 / Dilyaver Abdulgazis, Ervin Umerov, Umer Abdulgazis -
A knowledge-based control system for the robust manufacturing of deep drawn parts
Abstract Throughout a single batch of deep drawing parts the settings of the press have to be adjusted to account for several influences. These can be divided in influences originating through the process, like heating of the tools or aggregation of ...
2017 / P. Fischer, D. Harsch, J. Heingärtner, Y. Renkci, P. Hora -
Behavior of beam-to-column welded connections in steel structures after fire
Abstract Beam-to-column welded connections are widely used in steel structures, and the post-fire behavior of connections is of great importance to the resistance of steel structures after fire. Five beam-to-column welded connections made up of...
2017 / Mei-Chun Zhu, Guo-Qiang Li -
Microstructure refinement by tool rotation-induced vibration in incremental sheet forming
Abstract This paper presents a study of employing tool rotation-induced vibrations in incremental sheet forming (V-ISF) to produce sheet metal parts with laminated ultrafine-grained structures. Non-axisymmetric tools were developed to generate tool...
2017 / Bin Lu, Zhaohua Li, Hui Long, Fei Chen, Jun Chen, et al. -
Is iron associated with amyloid involved in the oxidative stress of Alzheimer's disease?
Abstract Oxidative stress induced by the failure of redox metal homeostasis plays a key role in the neuron death, which is the characteristic of Alzheimer's disease. The Fe(III)–amyloid and Cu(II)–amyloid complexes are often considered responsible...
2017 / Michel Nguyen, Meijie Huang, Yan Liu, Bernard Meunier, Anne Robert -
Dynamic detection of tubes wrinkling in three roll push bending
Abstract Three roll push bending allow to manufacture bent profiles used for structural or piping purposes in several industrial fields such as aerospace, automotive, energy and chemical. When thin-walled tubes are formed with small bending radii,...
2017 / Enrico Simonetto, Andrea Ghiotti, Stefania Bruschi -
Al-Li Alloys – The Analysis of Material Behaviour during Industrial Hot Forging
Abstract Al-Li alloys are a promising class of aerospace materials that combine light weight with high strength, comparable to those of steels. In the case of critical components, it is well known that providing the required reliability is...
2017 / Olga Bylya, Ares Gomez-Gallegos, Nicola Stefani, Paul Blackwell -
Computer-Aided Design of Structural Elements of Modern Turbofan Compressors
Abstract A database of aviation materials and an expert system are developed. They allow performing thermogas dynamic calculations of turbofan engines of various schemes and action principles, automatically create a constructive image of engine main ...
2017 / A.E. Kishalov, K.V. Markina -
Modeling of the Metal Broadening at Hot Plate Rolling Mills
Abstract In this paper, known methods for calculation of the metal broadening during thick-plate rolling were considered. The factors that influence on the metal broadening and degree of their influence were studied in details. The experimental...
2017 / S.S. Voronin, E.A. Maklakova, I.A. Yakimov, A.S. Maklakov -
Adapting the A* algorithm for park spot routing
Abstract Major cities encounter traffic problems every day, whereby the studies of IBM (2011) showed that drivers looking for a parking spot have a large impact on urban traffic. This paper presents an approach for a park spot...
2018 / Mareike Hedderich, Ulrich Fastenrath, Gordon Isaac, Klaus Bogenberger