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friction modeling

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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006370
EISBN: 978-1-62708-192-4
... of workpiece asperities in metal forming. It presents advanced tribology models and results for friction in isothermal forging operations in which the tooling is maintained at a temperature close to that of the workpiece. The article provides information on heat transfer models. It discusses the effect of wear...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006385
EISBN: 978-1-62708-192-4
... extrusion finite-element method friction modeling hydrostatic extrusion lubrication modeling reverse extrusion titanium alloys tribology EXTRUSION is a plastic deformation process in which a block of metal called a billet is forced to flow by compression through a die opening of a smaller cross...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005515
EISBN: 978-1-62708-197-9
.... Modeling the effective friction response of the materials is central to simulating the welding process. The article discusses a series of distinct frictional stages during continuous drive friction welding. Modeling of the evolution of the thermal field has been an important objective since the early days...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005619
EISBN: 978-1-62708-174-0
... for temperature generation and effect on mechanical properties of welded material. His models were capable of calculating the interface forces that were verified experimentally. Siddiq and Ghassemieh ( Ref 31 , 32 ) studied the changes in the friction work at the weld interface by simulating UW of metals based...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005637
EISBN: 978-1-62708-174-0
... and its distribution produced during FSW. friction stir welding grain size joining microstructural changes microstructure numerical flow models numerical modeling plastic deformation strain rate theoretical models welding defects TRADITIONALLY, WELDING OF METALS AND ALLOYS has been...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005526
EISBN: 978-1-62708-197-9
... to solve the equations and simulate the FSW process. The techniques include modeling without convective heat transfer and modeling with convective heat transfer in a workpiece. The article concludes with information on active research topics in the simulation of FSW. friction stir welding heat...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002418
EISBN: 978-1-62708-193-1
.... It provides a schematic illustration of a basic cell model to characterize the inelastic strains that occur in ceramic-matrix composites and their dependence on the interface friction. anisotropic grain bridging ceramic-matrix composites density ductility elastic modulus inelastic strain...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005540
EISBN: 978-1-62708-197-9
... forming and springback analysis: the type of solution algorithm/governing equation and the type of element. The article provides information on various models for material yield criteria. finite element methods friction sheet metal forming springback analysis SOFTWARE PROGRAMS continue...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005456
EISBN: 978-1-62708-196-2
..., the forces (or stresses) are balanced on the differential element, with friction taken as uniform at the tool-slab boundary. This results in a friction hill that is linear for the friction factor model and nonlinear for the coefficient of friction model, with the die pressure increasing from the open...
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