...S. Melkote; S. Liang; T. Özel; I. S. Jawahir; D. A. Stephenson; B. Wang This paper presents a review of recent advances in modeling and simulation of conventional metal machining processes, which continue to dominate a significant part of all machining processes, and in recent years, the need...

...Ashwani Pratap; Karali Patra This work presents an analytical cutting force modeling for micro-slot grinding. Contribution of the work lies in the consideration of both primary and secondary tool surface interactions with the work surface as compared to the previous works where only primary tool...

... was demonstrated in Al-Steel. A significant improvement in as-welded surface roughness for both Al-steel and Al-CFRP cases was also achieved. Interrupted lap shear tests performed on Al-steel joints and a corresponding computational model indicate the joint failure typically occurs in Al sheet via a crack...

... velocities. It is carried out in a short duration of time, and it includes multiple operations, which increases the complexity in understanding the shearing and forming behavior of the material. To understand this behavior, coupled and non-coupled simulation models have been developed and compared...

... load reduction. Fig. 6 Cutting force measured at different cutting speeds Cutting force measured at different cutting speeds The steady-state temperature model for machining developed by Jaeger [ 23 ] is based on a moving heat band source in an infinite medium. Hahn [ 24 ] further...

... of hollow microspheres and higher their volume fraction, higher was the magnitude of cutting forces recorded. The failure mechanisms that constituted chip formation during cutting AZ91 foam has been explicated through a mechanistic cutting force model. The proposed force model takes into account key hollow...

...) design that uses models to predict the result from a given set of welding parameters and minimizes a cost function for optimizing the welding parameters; and (3) real-time sensing and control that overcome the deviations of welding conditions from their nominal ones used in optimizing the welding...

... experimental analysis, the progress being made in modeling and optimization has also been discussed in the paper. In particular, major challenges involved in model development for practical implementation, with a view to selecting optimum cutting conditions and cutting tool selection, are primarily discussed...

...: liyang86@tju.edu.cn Email: dshriver@umich.edu Email: jorge.arinez@gm.com Email: guoxian.xiao@gm.com Email: mbanu@umich.edu 27 02 2019 05 11 2019 05 11 2019 11 11 2019 welding and joining modeling short carbon fiber composites The short cycle time...

... zone using the 3D simulation results, a multiphysics model is then implemented in two-dimensional (2D) coupled Eulerian–Lagrangian (CEL) FE analysis in abaqus to model both phase transformation and grain refinement at a fine mesh to comprehend the surface microstructure alteration. Experimental...

..., and unsteady). The steady zone is found to be between 3 and 7 mm from the focus (impingement point) of the ACF spray for the set of parameters investigated. An analytical 3D thin fluid film model for the ACF spray system has also been developed based on the Navier–Stokes equations for mass and momentum...

... are needed to extract laser reflection from low contrast images. To this end, an image quality measurement method is proposed based on the number of the edge points to determine if an image may be further processed. The image to be processed is then modeled as a superposition of the laser reflection and arc...

... in the wall is close to zero. In agreement with the experimental measurements, the finite element model predicted the wall to be unstressed in the z-direction close to its top surface. In the x-direction at this location, the predicted stress of high tensile magnitudes is in support of an argument...

... ultrasonic elliptical vibration cutting maximum thickness of cut machining parameters modeling ductile machining Figure 1 illustrates the principle of the UEVC technique ( 6 12 13 ). The elliptical motion at the cutting edge is generated by applying the exciting voltage on some...

.../j.jmatprotec.2006.03.238 Tse , F. S. , Morse , I. E. , and Hinkle , R. T. , 1974 , Mechanical Vibration , Prentice Hall of India , New Delhi . Hewidy , M. S. , Ebeid , S. J. , El-Taweel , T. A. , and Youssef , A. H. , 2007 , “ Modelling the Performance of ECM...

... of tolerance and process control reasons. Previous experimental and modeling work in LTW has focused on gap-free joints, with little attention to bridging a gap with thermal expansion of the absorbing material. A two-dimensional comprehensive numerical model simulated bridging gaps in LTW. Using the model...

...James D. Van de Ven; Arthur G. Erdman Two laser transmission welding experiments involving polyvinyl chloride are presented that aim to validate a previously presented welding model while helping to further understand the relationship between welding parameters and weld quality. While numerous...

...James D. Van de Ven; Arthur G. Erdman This paper discusses the development of a model of laser transmission welding that can be used as an analytical design tool. Currently the majority of laser transmission welding (LTW) applications rely on trial and error to develop appropriate process...

... the plastic strain of the processed materials finite element modeling (FEM) is used. Both analytical and FEM methods will allow us to affirm that by using this new die configuration it is possible to achieve higher deformation values per ECAE passage. By using Eqs. 10 , 8 , the shear strain can...

...Z. Y. Jiang; A. K. Tieu, Mem. ASME Friction at the interfaces between two rolls and a strip being plastically deformed by the rolls is an important consideration in both theory and practice of metal forming. In this paper, a 3D rigid viscoplastic finite element method (FEM) was used to model...