Superplastic forming process
Thermomechanical stress analysis of superplastic forming tool
... Keywords: Superplastic forming process; Forming tools; Finite element simulation; Thermomechanical analysis ...The superplastic forming process is one of the most advanced ...
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Mechanical Behavior of Ti-6Al-2Sn-4Zr-2Mo Titanium Alloy under Hot and Superplastic Forming Conditions: Experiment and Modeling
... Introduction Ti6242 alloy is used in the aircraft industry for the manufacturing of parts that can be used for thermal protection in hot areas. Its in-service behavior at high temperature is greatly improved compared to ...
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Thermal behaviour modelling of superplastic forming tools
... Keywords: Forming tools / thermal behaviour / Finite Element simulation / Experiments / Schl!sselw"rter: Umformwerkzeuge / thermisches Verhalten / Finite Elemente Methode / Versuche / 1 Introduction Heat ...
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Experimental and numerical investigation of the weld repair of superplastic forming dies
... Abstract Superplastic forming process (SPF) is an advanced process conducted at high temperature using moderate strain rates, typically used for shaping TA6V sheets for aerospace ...the ...
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Sensitivity analysis of composite forming process parameters using numerical hybrid discrete approach
... several forming parameters of model ...for forming of woven composite based on the hypoelastic behaviour of the shell ...the process parameters (blank holder, punch velocity and the coefficient of ...
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Numerical and Theoretical Study of Shot Peening and Stress Peen Forming Process
... cold-working process that is used mainly to improve the fatigue life of metallic ...peening process and several types of FE models have been developed to evaluate the effects of shot peening ...
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Superplastic forming of aluminium alloys: report
... Data from superplastic 5083 alloy, also shown in Figure 6, is clearly different from other ordinary 5000-series alloys, as there is no reduction of the tensile ductility at lower values [r] ...
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Analysis of the thinning phenomenon variations in sheet metal forming process
... [3] H. Badreddine, K. Saanouni and A. Dogui “Prediction of damage in hydro bulging test using a non normal and non quadratic anisotropic plasticity formulation” Second International Congress Design and Modelling of ...
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Process window enhancement for single point incremental forming through multi-step toolpaths
... when forming the first, 50° cone, the points are translated quasi ...wall forming. In contrast with single-step forming, where maximum thinning and failure typically occur 10 to 15mm below the ...
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Microstructure Evolution and Material Flow of Steel in Semi-solid Forming Process
... of forming temperature and forming speed were ...several process parameters, such as initial billet and die temperatures or forming speed, affect thermal exchanges thereby influencing the ...
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Rotational Moulding of Thermosets: Understanding of a Reactive Forming Process
... During a polymer forming process, viscoelasticity is the key parameter. Viscosity part control the spreading of the material in the right shape and elastic part is connected to final part mechanical ...
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DFM synthesis approach based on product-process interface modelling. Application to the peen forming process.
... the process is based on some fundamental concepts such as FBS [3] and sometime axiomatic design [4] when the solution tends to provide independent relation among functional and structural ...the process is ...
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Experimental Analysis and Behaviour Modelling of the Deformation Mechanisms of a Ti-6242S Alloy under Hot and Superplastic Forming Conditions
... as superplastic that is characterized by grain boundary sliding mechanisms at the microscopic ...this process remains expensive and the aircraft industry wants to decrease both the forming ...
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Single point incremental sheet forming investigated by in-process 3D digital image correlation
... screw spindles. It allows on the one hand a vertical (Z) tool displacement and a local stamping of the sheet and, on the other hand, a horizontal tool displacement in the frame of the sheet (X,Y) leading to the ...
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An alternative explanation of forming force reduction for forming process submitted to vibration: Influence of the waveform in the viscoplastic domain
... was used. The strain obtained at constant load capacity increases by fifty percent and a similar value for the reduction in specific pressure was reported. It was also observed that the tendency of the blank forged to ...
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An alternative explanation of forming force reduction for forming process submitted to vibration: Influence of the waveform in the viscoplastic domain
... conventional process without ...drawing process is effective in increasing the critical speed in ultrasonic wire drawing by 10 times that conventional axially vibrated ...the forming loads, flow ...
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3D FEM simulation of the flow forming process using Lagrangian and ALE methods
... The first column shows mesh, contact with roller zone, Von Mises stresses, strain rate, and cumulated strain using a Lagrangian formulation without remeshing. The mesh is fine before [r] ...
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Use of progressive wave: a new multisource vibration technique to assist metal forming process
... On the other hand, industrial application of ultra- sonic vibration is limited by the power rating of ultra- sonic generators [ 17 ] and also low frequencies are usually recommended, in order to avoid large reactive ...
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High temperature forming process for the manufacturing of complex components using 5XXX aluminum alloys
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. Access and use of [r] ...
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Metallurgical Analysis of Chip Forming Process when Machining High Strength Bainitic Steels
... J. Manuf. Mater. Process. 2019, 3, x FOR PEER REVIEW 3 of 15 Two types of 42CrMo4 steel bars were chosen each with different heat treatment to avoid any possible influence a chemical composition may have on ...
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