Materials engineering topic list of research papers
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Predicting the onset of cracks in bulk metal forming by ductile damage criteria
Abstract Three different ductile damage criteria, Ayada, normalized Cockcroft and Latham and a new shear stress based criterion taking into account hydrostatic tension, are utilized for predicting the onset of cracks in various deformation...
2017 / Peter Christiansen, Chris V. Nielsen, Paulo A.F. Martins, Niels Bay -
Simulation of incremental sheet forming using partial sheet models
Abstract Academic and industrial interest in flexible forming has grown rapidly over the last two decades, leading to a large volume of research in this area. However, despite this interest, numerical modelling of the process is still challenging...
2017 / P. Memicoglu, O. Music, C. Karadogan -
Energy Efficient Technology of Obtaining Advanced Composite Grinding Materials and Tools in "Silicon Carbide – Corundum" System from Aluminium-Containing Residual Products
Abstract A promising composite material for the production of abrasive tools has been obtained. It is a set of numerous cutters of silicon carbide in corundum matrix. In such grains, the destruction of crystals – microcutters is localized at the...
2017 / V.M. Shumyacher, O.I. Pushkarev, A.V. Slavin -
Acoustic waveguides: An attractive alternative for accurate and robust contact thermometry
Abstract We report a robust and very precise method of measuring temperature using ultrasonic waves. Solid stainless steel waveguides are used to provide well-defined and stable ultrasonic wave propagation paths. Ultrasonic wave velocity is strongly ...
2017 / Yue Wang, Fangxin Zou, Frederic B. Cegla -
A Numerical Study on the Impact Resistant Capacity of RC Beams with Corroded Reinforcement
Abstract To evaluate the remaining service life and determine the appropriate timing and method for repair and reinforcement for the reinforced concrete (RC) structures, it is important to quantitatively evaluate the residual load capacity of RC...
2017 / Chi Lu, Hiroki Tamai, Yoshimi Sonoda -
Warm forming of 7075 aluminum alloys
Abstract The paper presents forming results of the drawpiece made of T6 temper 7075 aluminum alloy. The development of new, state-of-the-art forming methods by scientific and research centers is mainly driven by increasing demand for lightweight...
2017 / Sławomir Polak, Paweł Kaczyński, Zbigniew Gronostajski, Karol Jaskiewicz, Jakub Krawczyk, et al. -
Reduction of off-centering at tail end caused by unstable work roll position with mill stabilizing device in hot rolling
Abstract In hot rolling, the strip has been needed to be rolled harder and faster to obtain thinner and higher quality strip, such as high strength steel. As the strip is rolled harder, the strip steering tends to become unstable because of the...
2017 / Hideaki Furumoto, Shinya Kanemori, Toru Takeguchi -
Building Thermal Regime Modeling
Abstract The article is devoted to the topical issue of the effiicient use of thermal energy when heating buildings. It is known that fuel and heat economy in the process of building heating is possible under energy efficient control of thermal...
2017 / E.Yu. Anisimova -
Experimental studies and constitutive modelling of AA6082 in stress-relaxation age forming conditions
Abstract AA6082 is a popular material for automotive body structure because of its good formability and weldability. In this study, stress relaxation and ageing behaviour of AA6082 at T6 condition were investigated through stress relaxation tests...
2017 / Q. Rong, Z. Shi, X. Li, X. Sun, Y. Li, et al. -
The definition of flow stress under dynamic loading based on relaxation model of plasticity
Abstract The unstable behavior of the deformation curve under static and dynamic loading is predicted using the relaxation model of plasticity and Johnson-Cook models (classical and modified) at room temperature. It is shown that the relaxation...
2017 / N.S. Selyutina, Yu.V. Petrov -
On the Equation of State of Cementitious Composites - an Experimental Study
Abstract The behavior of cementitious materials under severe loading is of particular interest, for research on ballistic impact, penetration and near distance explosions, where very high pressures are developed. Therefore it is important to...
2017 / Yuri S. Karinski, David Z. Yankelevsky, Semion Zhutovsky, Vladimir R. Feldgun -
Hot stamped parts with desirable properties in medium Mn TRIP steels
Abstract With the increasing requirements of the automotive industry for reduced weight and safety improvement, high strength steel hot stamping parts have been increasingly applied in the automotive industry. But the process is along with higher...
2017 / Zijian Wang, Yisheng Zhang, Bin Zhu, Yilin Wang, Hua Ding, et al. -
Analytical Modeling of Microchannel Heat Sinks Using Microencapsulated Phase Change Material Slurry for Chip Cooling
Abstract The heat transfer of microchannel heat sinks using microencapsulated phase change material (MPCM) slurry as a novel cooling technique has been used in the chip cooling. In order to study the heat transfer performance of MPCM slurry across...
2017 / Xunjia Deng, Shugang Wang, Jihong Wang, Tengfei Zhang -
Effect of Relief-hole Diameter on Die Elastic Deformation during Cold Precision Forging of Helical Gears
Abstract During cold precision forging of helical gears, the die experiences high forming pressure resulting in elastic deformation of the die, a main factor affecting dimensional accuracy of a formed gear. The divided flow method in material...
2017 / Wei Feng, Jiying Lv, Lin Hua, Hui Long, Feng Wang -
Industrial applications of the superplastic forming by using Infra-Red heater
Abstract The superplastic forming is used in aeronautics in order to manufacture titanium parts with complex shapes. Regarding to others forming processes, it is important to save costs of superplastic forming. Using Infra-Red lamps to heat directly ...
2017 / Damien Mauduit, Marion Le Fournier, Kevin Grondin, Thomas Pottier, Yannick Le-Maoult -
Continuous Strip Reduction Test Simulating Tribological Conditions in Ironing
Abstract Laboratory testing of tribo-systems for sheet metal forming applications must ensure similar conditions with the tribo-parameters that are commonly utilized in real production in order to generate data that is meaningful for industry. The...
2017 / Esmeray Üstünyagiz, Chris V. Nielsen, Peter Christiansen, Paulo A.F. Martins, Niels Bay -
Optimization of Processing Conditions when Drilling Deep Holes: Twist Drills
Abstract The problems of optimization of parameters and modes of processing for drilling deep holes by twist drills were studied. Drilling was carried out under the control of a special control system that measures the torque on the tool. The...
2017 / A.D. Lukyanov, T.S. Onoyko, T.A. Najafabadi -
Cyclic and Biaxial Deformation Behavior for Bake-hardenable Steel Sheet
Abstract It is well known that bake hardening treatment on the bake-hardenable steel sheets leads to the increase of yield strength and appearance of yield point phenomena under uniaxial tension deformation. On the other hand, strain paths during...
2017 / Fumiaki Tamashiro, Hiroshi Hamasaki, Fusahito Yoshida, Takashi Iwama, Toshiaki Urabe -
On the Use of Powder Alloys for Friction Units
Abstract The data, confirming the prospects of the use of powder alloys in comparison with compact alloys, for production of details of friction units of machines: bearings of sliding and rolling, is provided. The technology of production of porous...
2017 / A.M. Burov, V.F. Danenko, M.V. Ivanov -
Effect Of Different Mechanical Milling Processes On Morphology And Microstructural Changes Of Nano And Micron Al-Powders2015 / H.-S. Kim, B. Madavali, T.-J. Eom, C.-M. Kim, J.-M. Koo, et al.