Materials engineering topic list of research papers
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On Kinematics -of Stock Deformation Process during Drawing
Abstract The relationship between kinematic parameters of the plastically deformed stock and kinematic parameters of the rigid bodies which restrict the deformation zone on the basis of the theoretical and experimental research is determined. A...
2017 / I.V. Dobrov -
Determination of the formability limits for Grade 1 titanium sheet by means of ALSAD method
Abstract Stamping is one of the most widely used sheet metal forming processes. Esthetics and durability of the deformed products are limited by defects in the form of strain localization, grooves or cracks. Forming limits, e. g. in form of forming...
2017 / Ł. Morawiński, C. Jasiński, A. Kocańda -
Modelling Nonlinear Multi-Bolted Systems on the Assembly State
Abstract Modelling and calculations of asymmetrical nonlinear multi-bolted connections treated as a system composed of four subsystems are presented. These subsystems are: a couple of joined elements (a flange and a support), a contact layer between ...
2017 / R. Grzejda -
Medical Image Contrast Enhancement using Range Limited Weighted Histogram Equalization
Abstract Contrast enhancement and brightness preservation are the crucial steps for image quality control for developing informative and visually pleasing images. Histogram equalization based image enhancement tool does not provide the brightness...
2018 / Monika Agarwal, Rashima Mahajan -
Using coupled Eulerian Lagrangian formulation for accurate modeling of the friction stir welding process
Abstract Accurate modeling of Friction-Stir Welding (FSW) would allow a better understanding of the material flow and temperature distribution during the process. This is important for the optimization of the process parameters to avoid the...
2017 / Kun Li, Firas Jarrar, Jamal Sheikh-Ahmad, Fahrettin Ozturk -
Characteristics of microstructure evolution of two-phase H62 brass alloy during continuous extrusion
Abstract The initial grains of H62 brass alloy are refined after continuous extrusion, and the dynamic recrystallization occurs in the forming process. Mastering the driving forces of microstructure evolution are the key for exploring the...
2017 / Bing Li, Zikai Lin, Cheng Peng, Xue Wang, Jingfeng Zhang -
On the role of internal defects in the fatigue damage process of a cast Al-Si-Cu alloy
Abstract The effect of different types of defects on the fatigue properties of a secondary Al-Si-Cu-Fe alloy was analyzed by micro-computed tomography and scanning electron microscopy. It was found that extended pores typically occurring at...
2017 / A. Brueckner-Foit, M. Luetje, I. Bacaicoa, A. Geisert, M. Fehlbier -
A Predictive Model of Flexibly-reconfigurable Roll Forming Process using Regression Analysis
Abstract Flexibly reconfigurable roll forming (FRRF) is a new and flexible forming process that can be used to produce a multi-curvature surface. The basic concept of FRRF is the formation of a curvature in the longitudinal direction by controlling...
2017 / Ji-woo Park, Min-gyu Kil, Jeong Kim, Beom-soo Kang -
Performance of glass-ACP façade system in a full-scale real fire test in a G+2 structure
Abstract Glass façade are used very commonly in modern construction due to their role in energy conservation in addition to improving the aesthetics. However, they can easily become vehicles for movement of fire along the building, as has been...
2017 / Pravin Gandhi, V Jagdish, G Karthikeyan, Aravind Chakravarthy, Dharmit Nakrani, et al. -
Effects of cutting parameters on machinability characteristics of Ni-based superalloys: a review2017 / Eren Kaya, Birol Akyüz
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Numerical and experimental investigations on the springback behaviour of stamping and bending parts
Abstract For the electrical industry, clamps and springs made from strips and wires are produced by stamping and forming technologies. To realise complex geometries, multi-stage stamping and bending processes with cycle rates of up to 500 parts per...
2017 / Chris Mertin, Gerhard Hirt -
Hot workability and microstructure evolution of pre-forms for forgings produced by additive manufacturing
Abstract Additive Manufacturing (AM) processes allow for near-net shape production of components without dies or substantial machining. Especially for energy-intensive materials, AM processes offer a reduction in lead-time, and in some cases also of ...
2017 / Irina Sizova, Markus Bambach -
Investigation of stress-strain behavior of a sheet material using free bulging test
Abstract In this work, a new experimental-numerical technique is developed in order to investigate the constitutive behaviour of a sheet material in conditions of superplastic forming. The principal feature of this technique is that unlike classical ...
2017 / Sergey A. Aksenov, Donato Sorgente -
Block-Modular Principle of Build Composition Automatically Changeable Laser Modules for CNC Machines
Abstract The article is devoted to the development of plug-in modules for automatically implementing the standard technology of laser processing of materials on CNC machines using the element base of fiber lasers. The technical solution of the...
2017 / P.A. Ogin, D.G. Levashkin, S.I. Yaresko -
Hot deformation behavior and dynamic recrystallization of Mn18Cr18N steel with as-cast versus wrought starting structures
Abstract Hot deformation behavior and dynamic recrystallization of Mn18Cr18N austenitic stainless steel with as-cast and wrought starting microstructures were investigated by isothermal hot compression tests at temperatures from 950°C to 1200°C...
2017 / Chen Huiqin, He Wenwu, Zhao Xiaodong, Qin Fengming, Wang Zhenxing -
Investigation of Traces of Interaction between Flap Wheel and Aluminum Alloy Plain Surface
Abstract The work deals with the investigation of the model KK751 P80 flap wheel interaction with the plain surface of B95пчT2B aluminum alloy during screw-cutting lathe machining. According to the results, the dependence between the amount of the...
2017 / V. Koltsov, D. Starodubtseva -
Constrained Tetrahedral Subdivision for Arbitrary Polygonal Prismatic Meshes
Abstract We consider the tetrahedral subdivision problem for a polygonal prismatic mesh with prescribed boundary constraints and without Steiner points. We prove the necessary and sufficient conditions for the existence of solutions, and also...
2017 / Xiaotian Yin, Yang Guo, Jian Li, Xianfeng Gu -
Fabrication and Characterization of Aligned Carbon Nanotubes Cluster Reinforced Magnesium Composite Based On Ultrasound/Magnetic Compound Field
Abstract Carbon nanotubes (CNTs)-based materials have been the focus of intense research since their discovery because of their superior mechanical properties, good electrical conductivity and unique nano-effect of unique one dimensional...
2017 / Xuefeng Li, Junhao Liang, Jiming Zhou, Jun Luo, Yongxing Wang, et al. -
Numerical simulation of different types of voids closure in large continuous casting billet during multi-pass stretching process
Abstract Large continuous casting billet always contain void defects which may adversely affect the mechanical properties and safe performance of final products. The void must be completely eliminated during hot forging process. In this paper,...
2017 / Liwen Zhang, Wenfei Shen, Chi Zhang, Qianhong Xu, Yan Cui -
Software Systems Application for Shafts Strength Analysis in Mechanical Engineering
Abstract The application of software systems based on CAD/CAE systems in mechanical constructions during the development of complex engineering systems, in particular in the analysis of shaft strength and evaluation of their characteristics is...
2017 / N.F. Timerbaev, A.R. Sadrtdinov, R.G. Safin