Materials engineering topic list of research papers
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Process-integrated Compensation of Geometrical Deviations for Bulk Forming
Abstract In many cases the design and development of bulk forming processes bases on inefficient trial-and-error procedures consisting of various iterations of numerical and real tests. To address this issue, a new numerical strategy to compensate...
2017 / Christoph Hartmann, Matthias Eder, Daniel Opritescu, Wolfram Volk -
Fatigue limit evaluation of structure materials based on thermographic analysis
Abstract The work presented here is dealing with implementation of new approach to fatigue limit determination. The approach is based on application of thermography on specimen that is step-by-step increasingly loaded. Detected temperature changes...
2017 / R. Prochazka, J. Dzugan, P. Konopik -
Material characterization for plane and curved sheets using the in-plane torsion test – an overview
Abstract The in-plane torsion test offers a broad range of applications for the characterization of mechanical properties of sheet metal materials and components. True plastic strains up to 1.0 can be achieved. Such data can be used for the...
2017 / Heinrich Traphöner, Till Clausmeyer, A. Erman Tekkaya -
Research on grain feature parameters based on inhomogeneous plastic deformation in microstructure of ferrite/martensite dual phase steels
Abstract To investigate the inhomogeneity of microstructure in ferrite-martensite dual phase steel, microstructure in different regions of DP600 steel was obtained from microscope observation. The volume fraction, grain shape and grain distribution...
2017 / Ruibin Gou, Wenjiao Dan, Weigang Zhang -
Shear forming of 304L stainless steel – microstructural aspects
Abstract Shear forming is an incremental cold forming process. It transforms 2D plates into 3D structures commonly consisting of conical geometry. Roller(s) push the blank onto a cone-shaped mandrel, resulting in a decrease of the initial thickness. ...
2017 / M. Guillot, T. McCormack, M. Tuffs, A. Rosochowski, S. Halliday, et al. -
Stress-strain curve of pure aluminum in a super large strain range with strain rate and temperature dependency
Abstract Recently, a high pressure torsion testing method was developed to measure stress - strain curves in a super large strain range, e.g. over 10. In this paper, through improvement of the method to measure strain rate and temperature...
2017 / Yasuhiro Yogo, Masatoshi Sawamura, Risa Harada, Kosei Miyata, Noritoshi Iwata, et al. -
Effects of ultrasonic vibration on deformation mechanism of incremental point-forming process
Abstract Incremental sheet forming (ISF) is a promising manufacturing process in which flat metal sheets are gradually formed into 3D shapes using a generic forming tool. To further improve the forming accuracy and formability, an...
2017 / Yanle Li, Xiaoxiao Chen, Jie Sun, Jianfeng Li, Guoqun Zhao -
Overview of Drude-Lorentz type models and their applications2014 / Paolo Di Sia
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Computer design of porous and ceramic piezocomposites in the finite element package ACELAN
Abstract The paper is devoted to finite element software ACELAN-COMPOS developed by the authors. It presents the approaches to the determination of the effective properties of piezoelectric two-phase composite materials based on the effective moduli ...
2017 / Anna Kudimova, Ivan Mikhayluts, Dmitryi Nadolin, Andrey Nasedkin, Anna Nasedkina, et al. -
Multiple crack initiation and propagation in weldments under fatigue loading
Abstract The work aims at addressing the modelling and implementation of criteria for multiple crack propagation, including interaction and coalescence, for a more reliable fracture mechanics-based prediction of stress-life curves for weldments. ...
2017 / M. Madia, B. Schork, J. Bernhard, M. Kaffenberger -
Thixoforging of Low Carbon Steel SAE1006 Backward Thixoextrusion
Abstract For nearly two decades, researchers from academia and industry are working on the development of steel alloys thixoforging, which are not the easiest to form with this process. The early fundamental technology research demonstrated the...
2017 / Eric Becker, Régis Bigot, Pierre Faverolle -
Approach to Enhance Gas Bulging Formability of TA15 Titanium Alloy Tube Based on Dynamic Recrystallization
Abstract In order to further improve the gas bulging formability of laser-welded TA15 titanium alloy tube, studies about the effects of initial microstructures on the formability were carried out at 800 ℃.Vacuum annealing procedures were performed...
2017 / Kehuan Wang, Gang Liu, Ke Huang -
Research on Q&P hot stamping process integrated with fractional cooling strategy
Abstract Hot stamping technology has been widely used to produce high strength steel parts, but the elongation of the production is limited which leads to low ductility. In this paper, the quenching & partitioning treatment (Q&P) has been...
2017 / Xianhong Han, Yuanyuan Li, SiSi Chen, Shulin Tan, Yanan Ding, et al. -
Effect of Billet Preheating Temperature on Continuous Extrusion Forming of Al-Sr Alloy
Abstract Based on numerical simulation and process experiment, this study investigates the effect of billet preheating temperature on continuous extrusion forming of Al-Sr alloy and the microstructure and mechanical properties of products. The...
2017 / Xinbing Yun, Fan Wan, Sheng Bi, Bing Li -
Discrete modelling techniques in application to generation of 3D synthetic microstructures of porous metallic materials
Abstract Development of two approaches for creation of digital microstructure representations of sintered porous metals for further numerical simulations is the goal of the paper. Initially, an approach based on series of exact replicas of real 2D...
2017 / Lukasz Madej, Adam Legwand, Mateusz Mojzeszko, Konrad Perzynski -
Generalized Flexibility Method by the Example of Plane Elastoplastic Problem
Abstract The structures elastoplastic deformation process can be studied using the finite elements method (FEM). However, to perform reliable, adequate and real calculations of structures, it is necessary to create large finite element models and to ...
2017 / V.A. Meleshko, Y.L. Rutman -
A Dynamic Model for Simulation of Hot Radial Forging Process
Abstract A comprehensive dynamic process model has been developed to investigate features of the inherently transient hot radial forging process, taking account of complex process kinematics, thermo-elastoplastic material behaviour and...
2017 / Jianglin Huang, Carl D. Slater, Anup Mandral, Paul Blackwell -
The strain fields present during the bending of ultra-high strength steels
Abstract Ultra high strength steels (UHSS) have an ultimate tensile strength of greater than 1GPa. Typically, their ambient temperature elongation is less than 10% and as a result, they are rarely used in stamping applications. However, the...
2017 / Sumit Hazra, Panos Efthymiadis, Daniela Proprentner, Barbara Shollock, Richard Dashwood -
Radial forging of aluminum to steel preform for the production of light-weighted wheel bearing outer race
Abstract In this research work an innovative procedure through which to manufacture the outer race of vehicles wheels bearing, aiming to reduce their total weight, is proposed. Utilizing the radial forging process, an aluminum workpiece is forged on ...
2017 / Luca Quagliato, Dongwook Kim, Wontaek Lee, Guido A. Berti, Cheolsoo Lee, et al. -
Force limiting at roll axial shifting of plate mill
Abstract The paper considers operation of the CVCplus roll axial shifting and Work Roll Bending (WRB) systems of plate mill horizontal stand. It provides arrangement of hydraulic equipment providing operation of these systems. It considers the...
2017 / A.S. Karandaev, B.M. Loginov, V.R. Gasiyarov, V.R. Khramshin