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FE Modeling of the Inertia Friction Welding with a Modified Friction Law
Applied Mechanics and Materials, 2015The subject of this paper was the presentation of a holistic, fully-temperature-coupled FE model of inertia friction welding based on the modified friction law, which divided the friction welding process into beginning friction stage and steady equilibrium friction stage. At each of the stage Coulomb friction model and shear friction model were adopted
Quan Zhong Zhang +3 more
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Mechanical Testing of Dual Alloy Inertia Friction Welded Shafts
Applied Mechanics and Materials, 2006The development of aeroengines with increasing thrust capabilities requires the development of shaft technology to deal with this greater power transmission, whilst still restricting their dimensions and weight. Modern aerospace drive shafts are predominantly of a single-alloy design and significant benefits could be obtained from using a dual alloy ...
William S. Robotham +5 more
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Sequential Transient Numerical Simulation of Inertia Friction Welding Process
Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C, 2008Inertia friction welding processes often generate substantial residual stresses due to the heterogeneous temperature distribution during the welding process. The residual stresses which are the results of incompatible elastic and plastic deformations in weldment will alter the performance of welded structures.
Medhat Awad El-Hadek, Mohammad S. Davoud
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Inertia Friction Welding Dissimilar Nickel-Based Superalloys Alloy 720Li to IN718
Metallurgical and Materials Transactions A, 2007This article describes a comprehensive microstructural characterization of an inertia friction welded joint between nickel-based superalloys 720Li and IN718. The investigation has been carried out on both as-welded and postweld heat-treated conditions.
Huang, Z. W. +6 more
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Nadcap Requirements for Rotational Friction/Inertia Welding
2017This document has been declared "CANCELLED" as of March 2007 and has been superseded by PRI AC7110/7. By this action, this document will remain listed in the Numerical Section of the Aerospace Standards Index noting that it is superseded by PRI AC7110/7. Cancelled specifications are available from SAE.
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Phase transformations across high strength dissimilar steel inertia friction weld
Journal of Materials Processing Technology, 2008Microstructural variation across inertia friction welded Aermet 100 (ultra-high strength secondary hardening steel) and SCMV (high strength low alloy Cr-Mo steel) has been studied. Retained austenite was mapped in two dimensions across the inertia friction welds using synchrotron-X ray diffraction.
Moat, Richard +4 more
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Ultrasonic NDE of solid-state bonds: Inertia and friction welds
Journal of Nondestructive Evaluation, 1988This paper discusses a number of special ultrasonic NDE problems of particular interest to inertia and friction welds, but most of the results can be readily applied to other similar or dissimilar solid-state bonds as well. One of the major problems associated with dissimilar bonds is the “blinding” effect of the strong interface reflection caused by ...
Peter B. Nagy, Laszlo Adler
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Strengthening mechanisms in an inertia friction welded nickel-base superalloy
Materials Science and Engineering: A, 2016Abstract This research investigated the strengthening mechanisms associated with the as-welded microstructure developed during inertia friction welding of dissimilar superalloys LHSR and Mar-M247. The weld interface and heat affected regions of the sample were analyzed using hardness indentation techniques and subsequently characterized using SEM ...
J.S. Tiley +6 more
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Modelling and simulation of the inertia friction welding of shafts
Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 2007The commercial materials forming package DEFORM-2D is used to model the inertia friction welding (IFW) process with particular reference to aero-engine mainline drive shafts. Both representative and predictive modelling techniques are presented, and models are described for the welding of identical and dissimilar material/geometry combinations.
C J Bennett, T H Hyde, E J Williams
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Process parameter analysis of inertia friction welding nickel-based superalloy
The International Journal of Advanced Manufacturing Technology, 2014A two-dimensional axisymmetric model for the inertia friction welding (IFW) of a nickel-based superalloy was developed. The influences from the axial pressure, initial rotational speed, and moment of inertia of the flywheel on the interface temperature and axial shortening were systemically examined. The analysis shows that the mechanical energy mainly
F. F. Wang +3 more
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