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Keywords: forming processes
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Journal Articles
Article Type: Research Papers
J. Tribol. October 2009, 131(4): 042101.
Published Online: September 22, 2009
...Xiaojun Liu; Mathias Liewald; Dina Becker Lubrication and friction at workpiece-tool interface play an important role in product quality control of sheet metal forming process. Surface microstructures of sheets have a great influence on the development of lubrication films. In order to investigate...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2006, 128(4): 697–704.
Published Online: April 29, 2006
... forming processes friction surface roughness inclined scratch transfer layer Friction is a very important factor in metal forming, since the characteristics of the surface have a great influence on its frictional behavior. Sheet metal forming processes are increasingly focused...
Journal Articles
Article Type: Technical Briefs
J. Tribol. July 2006, 128(3): 674–676.
Published Online: March 22, 2006
.... , and Richard , O. , 1998 , “ Tool Surface Topographies for Controlling Friction and Wear in Metal Forming Processes ,” ASME J. Tribol. 0742-4787 , 120 , pp. 517 – 527 . The conclusions drawn from this study are: Of the four texture surfaces studied, the sand blasted surface exhibited...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2006, 128(2): 414–421.
Published Online: November 21, 2005
...J.-M. Pothier; X. Roizard; J. Y. Hihn; J.-F. Béteau; G. Monteil Numerous works have been recently carried out to describe friction and lubrication in the tool-sheet interface. This phenomenon is of great importance for all forming processes, particularly, in the deep drawing operations where...
Journal Articles
Article Type: Technical Papers
J. Tribol. April 2004, 126(2): 275–280.
Published Online: April 19, 2004
... (mechanical) heating thermal conductivity surface roughness mechanical contact forming processes plastic deformation hardness lubrication The relation between seizure in lubricated sliding systems and the temperature at which a tribo system operates is studied extensively. Pin-plate...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2002, 124(3): 637–644.
Published Online: May 31, 2002
... aluminum alloy AA6082 (Al-Si1Mg0.9Mn0.1). In metal forming processes, friction is one of vital variables. As friction increases forming load and power, changes material flow, strain/stress distribution and influences form filling, it must be determined. In some cold forging processes, billets...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2000, 122(4): 856–863.
Published Online: January 6, 2000
... relationships which characterize the behavior of the friction coefficient as a function of the shear factor, τ k , are established. the importance of these relationships, as related to stamping and forming processes, is discussed. [S0742-4787(00)01703-3] Despite the improvements made in the modeling...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2000, 122(4): 822–827.
Published Online: September 21, 1999
... September 1999 lubrication hydrostatics machining forming processes elastic deformation plastic deformation pressure finite element analysis FEM Analysis Hydrostatic Pressure Upsetting Lubricant Tribology Real Contact Area Oil Pocket It is well known that the lubricant...