Al-Li Alloys – The Analysis of Material Behaviour during Industrial Hot Forging [PDF]
, 2017 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 impossible without ...
Ares Gomez-Gallegos +9 more
core +1 more source
Sinter forging of zirconia toughened alumina [PDF]
, 1993 Sinter forging experiments have been carried out on powder compacts of zirconia toughened alumina (ZTA) Ceramics Alumina-15 wt% zirconia was prepared by a gel precipitation method and calcined at temperatures of 900 or 1100°C.
Burggraaf, A.J. +3 more
core +4 more sources
Optimization of hot press forging parameters in direct recycling of aluminium chip (AA 6061) [PDF]
, 2014 This study introduces a new approach of direct recycling using the hot press forging process that eliminates the two intermediate processes of cold-compact and pre-heating. This method leads to low energy consumption without intervening the metallurgical
Ahmed, Rizwan +5 more
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Effect of operating temperature on direct recycling aluminium chips (AA6061) in hot press forging process [PDF]
, 2013 A method of solid-state recycling aluminum alloy using hot press forging process was studied as well as the possibility of the recycled chip to be used as secondary resources.
Ahmad, Mohd Hafizi +8 more
core +1 more source
Influence of the constitutive flow law in FEM simulation of the Radial forging process [PDF]
, 2013 Radial forging is a widely used forming process for manufacturing hollow products in transport industry. As the deformation of the workpiece, during the process, is a consequence of a large number of high-speed strokes, the Johnson-Cook constitutive law (
Gueye, Babacar, Pantalé, Olivier
core +7 more sources
Modelling of piezoelectric actuators used in forging processes: principles and experimental validation [PDF]
, 2012 This paper deals with the modelling of a piezo- electric stack actuator used to generate specific low frequency vibration waveforms to assist forging processes.
ABBA, Gabriel +4 more
core +6 more sources
Improvement of mechanical properties of zirconia-toughened alumina by sinter forging [PDF]
, 1994 ZTA powder with a composition of 85 wt% alumina/15 wt% zirconia was prepared by a gel precipitation method. Sinter forging was performed with this powder to enhance the mechanical properties of ZTA materials.
Burggraaf, A.J. +3 more
core +3 more sources
Plasticity of nanocrystalline zirconia ceramics and composites [PDF]
, 1997 The deformation strain rate of nanocrystalline Y-TZP shows an increase by a factor 4 if the grain size decreases from 200 to 100 nm. Real superplastic deformation (strain rate > 10−4 s−1) is observed in these materials at relative low temperature (1100 ...
Boutz, M.M.R. +4 more
core +3 more sources
Control of a multi-degree of freedom worktool for vibrations assisted forging [PDF]
, 2014 This paper addresses the control of a tool developed to superimpose vibrations along several directions on a piece during forging. Piezoelectric actuators are used to provide the required forces and speeds.
ABBA, Gabriel +5 more
core +4 more sources
Forging Unique Nursing Careers [PDF]
, 2009 Three nursing alumni have melded their careers with other interests in unlikely locations — the legal arena and ...
Davis, Laura, Mileham, Mardi
core +1 more source