... structure is connected to the cell walls in order to avoid a length that is critical for kinking. The antitelegraphing structure can be optimized for different processing pressure loadings and cell sizes to minimize the deflection of the facings during curing. Fig. 3 Additive manufactured honeycombs...

...Ben Deng; Lin Zhou; Fangyu Peng; Rong Yan; Minghui Yang; Ming Liu During the micromachining processes of particle-reinforced metal matrix composites (PMMCs), matrix-particle interface failure plays an important role in the cutting mechanism. This paper presents a novel analytical model to predict...

...Michael P. Sealy; Gurucharan Madireddy; Robert E. Williams; Prahalada Rao; Maziar Toursangsaraki Hybrid additive manufacturing (hybrid-AM) has described hybrid processes and machines as well as multimaterial, multistructural, and multifunctional printing. The capabilities afforded by hybrid-AM...

... evolution for A5052-O and C1220P-O alloys are determined. These equations can be used in conjunction with solutions to boundary value problems in plasticity for predicting the evolution of free surface roughness in metal forming processes. All grains are divided into seven groups, i.e., 1 ≤ i ≤ 7...

... principal maximal and minimal as well as mean and Gaussian curvatures and discharge energies. This method allows detailed analysis of the nature of surface topographies and suggests that different formation processes governed the creation of surfaces created by higher energies. Manuscript received...

... lamellae have been analyzed with transmission electron microscopy (TEM) to get a better understanding of the impact of material removal mechanisms on the surface zone. The drawn conclusions contribute to an improved process understanding in grinding of cemented carbides. The knowledge of the material...

... sensing. Additive manufacturing methods at micro- and mesoscales provide exciting opportunities toward realizing the unique capabilities of such material systems. In this paper, we study the direct-ink-writing (DIW) process of CVPCs consisting of electrically conductive additives in a poly(ethylene oxide...

... by each of these pulses, a pulse discriminating (PD) system which discriminates them into contributing and noncontributing types is generally used. Developing a PD system in μ EDM is a time-consuming process that requires an availability of continuously running machine. Such requirement could...

...Yun Bai; Grady Wagner; Christopher B. Williams The binder jetting additive manufacturing (AM) process provides an economical and scalable means of fabricating complex parts from a wide variety of materials. While it is often used to fabricate metal parts, it is typically challenging to fabricate...

...Sagil James; Murali Sundaram Vibration assisted nano impact-machining by loose abrasives (VANILA) is a novel nanomachining process to perform target-specific nano abrasive machining of hard and brittle materials. In this study, molecular dynamic (MD) simulations are performed to understand...

...Filippos Tourlomousis; Houzhu Ding; Dilhan M. Kalyon; Robert C. Chang The direct electrostatic printing of highly viscous thermoplastic polymers onto movable collectors, a process known as melt electrospinning writing (MEW), has significant potential as an additive biomanufacturing (ABM) technology...

... are capable of finishing the bore surface without altering its roundness. Effects of elastomeric medium, mechanics of material removal and generation of finished profile during the proposed technique have been discussed in detail, through a comprehensive mathematical model. Effect of various process variables...

...Lu Xiaohong; Jia Zhenyuan; Zhang Haixing; Liu Shengqian; Feng Yixuan; Steven Y. Liang One of the challenges in micromilling processing is chatter, an unstable phenomenon which has a larger impact on the microdomain compared to macro one. The minimization of tool chatter is the key to good surface...

...Sachin Singh; Deepu Kumar; Mamilla Ravi Sankar Abrasive flow finishing (AFF) is one of the advanced finishing processes used mainly for finishing of complex surface features. Nano finishing of aluminum alloys is difficult using conventional finishing processes because of its soft nature. So...

... , E. , and Hatzikiriakos , S. G. , 2012 , “ Tubing Extrusion of a Fluoropolymer Melt ,” Int. Polym. Process. , 27 ( 2 ), pp. 259 – 269 . 10.3139/217.2534 [9] Yousefi , A. M. , and Atsbha , H. , 2009 , “ Modeling of Complex Parison Formation in Extrusion Blow Molding: Effect...

...-dimensional optical measurements and then correlated with cutting parameters to support machining process setup. A proper fitting based on Chebyshev functions is applied and a statistical analysis assesses the importance of each deviation component in relation to the imposed cutting conditions. The proposed...

... of the tip motion and the stage displacement, respectively. Thus, the processing feed can be changed during the process as it is defined by the combined control of the frequency of the tip reciprocating motions and the stage speed. By employing the built-in force feedback loop of conventional AFM systems...

... make it necessary to conduct a study of the machinability of alumina themselves with a cost-effective and flexible method, rather than conventional diamond grinding or laser-assisted processing methods. In this paper, polycrystalline diamond tools are used to investigate the machining of nonporous pure...

... and viscosity, thus the heat transfer and fluid flow, and eventually the laser melting process. In order to determine the surface tension and viscosity of nanoparticles-reinforced metals, an innovative measurement system was developed based on the characteristics of oscillating metal melt drops after laser...

...Chao Ma; Jingzhou Zhao; Chezheng Cao; Ting-Chiang Lin; Xiaochun Li It is of tremendous interest to apply laser to process nanoparticles-reinforced metals for widespread applications. However, little fundamental understanding has been obtained on the underlining physics of laser interactions...