Now showing items 36-50 of 50

    • 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 ...
    • A Prediction of Laser Beam-to-Cutting Tool in Laser Assisted Micro Milling of Hardened Steel 

      Ibrahim, Mohd. Rasidi; Mohid, Zazuli; Abd Rahim, Erween; Md. Warap, Norazlan; Ismail, Mohd. Idris Shah (9th International Conference on MicroManufacturing (ICOMM 2014), 2014-03-25)
      Laser assisted micro milling (LAMM) is one of the methods that used to enhance the ability to manufacture the micro scale product. Laser is used to preheat the workpiece materials prior the machining process. Therefore,reducing ...
    • 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 ...
    • 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 ...
    • Pulsed Laser Micro Polishing: Surface Prediction Model 

      Vadali, Madhu; Ma, Chao; Duffie, Neil A.; Li, Xiaochun; Pfefferkorn, Frank E. (6th Annual Conference on MicroManufacturing (ICOMM 2011), 2011-03-07)
      This project is focused on developing physics-based models to predict the outcome of pulsed laser micro polishing (PL�P). Perry et al. have modeled PL�P as oscillations of capillary waves with damping resulting from the ...
    • Seedless, Etchless Deposition of Nanocrystalline Diamond Coatings for Performance Improvements of Micro End Mills using Carbon Ion Implantation 

      Torres, Christopher D.; Heaney, Patrick J.; Sridharan, Kumar; Cao, Guoping; Sumant, Anirudha V.; Carpick, Robert W.; Pfefferkorn, Frank E. (6th International Conference on MicroManufacturing (ICOMM 2011), 2011-03-07)
      This study compares the cutting performance of (1) as-received uncoated, (2) acid etched plus seeded plus nanocrystalline diamond (NCD) coated, (3) carbon ion implanted (CII) plus NCD coated, and (4) only CII micro end mills.
    • 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 ...
    • 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 ...
    • 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 ...
    • Study on Laser Assisted Micro Milling (LAMM) Processing C haracteristic of Titanium Alloy (Ti6Al4V) using TiAlN coated carbide micro ball mill 

      Abd. Rahim, Erween; Ismail, Mohd. Idris Shah; Ibrahim, Mohd. Rasidi; Mohid, Zazuli; Md. Warap, Norazlan (9th International Conference on MicroManufacturing (ICOMM 2014), 2014-03-25)
      Machining of hard-to-machine materials requires excellent cutting tool performance in terms of tool wear and life. By integrating other process such as laser as a pre-heating element in machining process, cutting force can ...
    • 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 ...
    • Theoretical dynamic model of the piezoelectric actuator with multi-DOF loading structure in process of microforging 

      Hu, Peng; Tjahjowidodo, Tegoeh; Castagne, Sylvie; Taureza, Muhammad (9th International Conference on MicroManufacturing (ICOMM 2014), 2014-03-25)
      A piezoelectric actuator is applied in a microforging system which was designed specially by maximizing its structural rigidity to study size effects in microforming. To generate accurate movement in micrometer/nanometer ...
    • A Thin-Film Heat Flux Sensor Fabricated on Copper for Heat Transfer Measurements in Parallel Channel Heat Sinks 

      Jasperson, Benjamin A.; Pfefferkorn, Frank E.; Qu, Weilin; Turner, Kevin T. (5th International Conference on MicroManufacturing (ICOMM 2010), 2010-05-05)
      A combination of lithography-based microfabrication and micro end milling is used to manufacture thin-film resistance temperature detector (RTD) heat flux sensors on bulk copper substrates. The fabrication process uses ...
    • Towards CNC automation in AFM probe-based nano machining 

      Brousseau, Emmanuel; Arnal, Benoit; Thiery, Stephane; Nyiri, Eric; Gibaru, Olivier; Mayor, J. Rhett (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      This paper presents a feasibility study, which aims to demonstrate the applicability of the CNC automation philosophy for the process of AFM probe-based nano machining conducted on commercial AFM instruments. In particular, ...