Now showing items 21-40 of 50

    • High-speed Fabrication of Micro-channels using Line-based Laser Induced Plasma Micromachining (L-LIPMM) 

      Saxena, Ishan; Malhotra, Rajiv; Ehmann, Kornel; Cao, Jian (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      Micro-texturing of surfaces has various applications that often involve texturing over large (macro-scale) areas with high precision and resolution. This demands scalability and speed of texturing while retaining feature ...
    • Manufacturing Guidelines for Micro Injection Molds 

      Garcia, Gerardo; Siller, Hector; Medrano-Tellez, Alexis (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      The large demand for micro injected plastic parts can be solved with the reconversion of conventional mold machine shops in order to be suitable for performing micro manufacturing of molds and dies. This paper documents ...
    • Effect of material microstructure on the micro-EDM process 

      Elkaseer, Ahmed A.; Bigot, Samuel; Surleraux, Anthony; Rosochowski, Andrzej (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      This paper presents a preliminary experimental study of the factors affecting the micro-EDM process aiming at obtaining a deeper understanding of the micro-EDM die sinking process. In particular, the machining response ...
    • Sol-Gel Synthesis of ZrO2 Coatings on Micro End Mills 

      Morrow, Justin; Tejedor-Anderson, M. Isabel; Anderson, Mark A.; Ruotolo, Luis A.; Pfeffernkorn, Frank (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      The objective of this paper is to develop a coating method for placing ultra-thin zirconia films, fabricated using sol-gel methods, onto micro end mills for purposes of improving performance with respect to tool wear and ...
    • Electrochemical Polishing of Microcomponents 

      Berestovskyi, Dmytro; Soriaga, Manuel; Lomeli, Paul; James, Jon; Sessions, Brennon; Xiao, Han; Hung, Wayne (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      Microcomponents can be fabricated by traditional methods like micromilling/drilling, or by nontraditional methods like electrical discharge micromachining (EDM), laser micromachining, or electrochemical micromachining ...
    • Effect of Thermocapillary Flow on the Surface Profile in Pulsed Laser Micro Polishing 

      Ma, Chao; Vadali, Madhu; Duffie, Neil A.; Pfefferkorn, Frank E.; Li, Xiaochun (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      The objective of this paper is to understand and predict how surface profiles produced by thermocapillary flow change with material properties and process parameters during pulsed laser micro polishing. Thermocapillary ...
    • Surface Finish of Ball-End Milled Microchannels 

      Berestovskyi, Dmytro; Hung, Wayne (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      This study develops micromanufacturing techniques to fabricate extremely smooth surface finish, high aspect ratio, and complex microchannel patterns. Computer controlled micromilling on a high speed machine system with ...
    • Prevention of Self-excited Vibrations in End-milling by Actively Tuning Fixture Stiffness using Fixed-fixed Beams Under Axial Load 

      Moore, Paul M.; Wiens, Gloria J. (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      In this paper, the development of a novel workpiece holder for micro- and meso-scale applications is discussed. Through the use of applied tensile axial force on fixed-fixed support beams, the stiffness and clamping ...
    • Stochastic Characteristics in Microgrinding Wheel Static Topography using Machine Vision 

      Kunz, Jacob A; Mayor, James R (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      Superabrasive grinding wheels are used for the machining of brittle materials such tungsten carbide. Stochastic modeling of the wheel topography can allow for statistical bounding of the grind force characteristics ...
    • Microstructural Analysis of Ultrasonic Vibration Assisted Turning of Ti alloy Ti-6Al-4V 

      Patil, Sandip; Joshi, Suhas; Tewari, Asim (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
    • Nanofabrication of Electrospun Fibers for Controlled Release of Retinoic Acid 

      Khadem Mohtaram, Nima; Ko, Junghuyk; Carlson, Michael; Byung-Guk Jun, Martin; Willerth, Stephanie (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      The process of electrospinning has received a remarkable amount of attention as this technique can be used to encap-sulate bioactive agents into polymer nanofibers while varying topographies. Encapsulation of bioactive ...
    • Influence of Process Parameters on the Deformation of Copper Foils in Flexible-Pad Laser Shock Forming 

      Nagarajan, Balasubramanian; Castagne, Sylvie; Wang, Zhongke (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      This paper investigates a new microforming technique, Flexible-Pad Laser Shock Forming (FPLSF), to produce mi-crofeatures on metallic foils without rigid punches and dies. FPLSF uses the laser-induced shock pressure and a ...
    • Observation of Tool Life of Micro End Mills 

      Martin, Blair; Morrow, Justin; Heaney, Patrick; Pfefferkorn, Frank (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      Prediction of mechanical machining tool life is an integral part of commercial manufacturing. Failure of micro end mills is still not well understood, and further work needs to be done to accurately predict tool life. The ...
    • Parametric Studies of Melt Electrospinning Poly ?(caprolactone) Fibers for Tissue Engineering Applications 

      Ko, Junghyuk; K. Mohtaram, Nima; Lee, Patrick C.D.; Willerth, Stephanie M.; Jun, Martin B. (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      The process of electrospinning has received remarkable amount of attention as this technique can be used to fabricate suitable scaffolds for cells. In order to control morphology of scaffold, parametric studies are necessary ...
    • Hybridizing Micromachining and Microfabrication for Sensor Chips 

      Moghimian, Nima; Etrati, Ali; Sam, Mahshid; Bhiladvala, Rustom (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      We present an example of packaging a MEMS sensor for measuring fluctuations of the wall shear stress in turbulent fluid flows. For these sensors, topographical and thermal constraints required the development of a hybrid ...
    • Productivity Enhancement in Laser Induced Plasma Micromachining by altering the Salinity of the Dielectric Media 

      Saxena, Ishan; Ehmann, Kornel; Cao, Jian (9th International Conference on MicroManufacturing (ICOMM 2014), 2014-03-25)
      Laser Induced Plasma Micromachining (LIPMM), a recently pioneered micromachining process, offers higher material removal rates and greater aspect-ratios of machined features as compared to laser ablation, while preserving ...
    • Stress and Deformation Analysis at the Micro-Scale 

      Korsunsky, Alexander M. (9th International Conference on MicroManufacturing (ICOMM 2014), 2014-03-25)
      Improving the structural integrity of microstructured materials relies on the combination of advancements in modeling capability and spatially resolved experimental characterization of deformation and damage. We report the ...
    • Effects of Pulsed Laser Micro Polishing on Microstructure and Mechanical Properties of S7 Tool Steel 

      Morrow, Justin D.; Wang, Qinghua; Duffie, Neil A.; Pfefferkorn, Frank E. (9th International Conference on MicroManufacturing (ICOMM 2014), 2014-03-25)
      The objective of this work is to evaluate the changes in microstructure and mechanical properties of S7 tool steel after surface finishing using pulsed laser micro polishing (PLmP). PLmP has been shown to effectively polish ...
    • Micromachining Characterization of Ultrathin Ni-membranes 

      Mahawar, Vijay; Singh, Kundan Kumar; Singh, Ramesh (9th International Conference on MicroManufacturing (ICOMM 2014), 2014-03-25)
      Thin membranes of different materials find extensive use in fabrication of Micro Electro Mechanical Systems (MEMS) devices.Machined membranes are used as heat sinks by fabricating micro channels for high heat transfer rates ...
    • Improving micro-wire electro-discharge machining operation of polished silicon wafer by conductive coating 

      Rasheed, Aous Naji; Muthalif, Asan G. A.; Saleh, Tanveer (9th International Conference on MicroManufacturing (ICOMM 2014), 2014-03-25)
      Micro-Wire Electro-discharge machining (micro-WEDM) is a nonconventional machining technology which is extensively used for metal based micro fabrication process. This is a non-contact machining process where material ...