10 Matching Results

Search Results

Advanced search parameters have been applied.
in creator/contributor: "Griffith, L."  
Results: 1 - 10
open access

Material properties and fracture mechanics in relation to ceramic machining

Description: Material removal rate, surface finish, and subsurface damage are largely governed by fracture mechanics and plastic deformation, when ceramics are machined using abrasive methods. A great deal of work was published on the fracture mechanics of ceramics in the late 1970s and early 1980s, although this work has never resulted in a comprehensive model of the fixed abrasive grinding process. However, a recently published model describes many of the most important features of the loose abrasive mach… more
Date: December 2, 1993
Creator: Griffith, L. V.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Progress in ETA-II magnetic field alignment using stretched wire and low energy electron beam techniques

Description: Flux line alignment of the solenoidal focus magnets used on the ETA-II linear induction accelerator is a key element leading to a reduction of beam corkscrew motion. Two techniques have been used on the ETA-II accelerator to measure and establish magnet alignment. A low energy electron beam has been used to directly map magnetic field lines, and recent work has utilized a pulsed stretched wire technique to measure magnet tilts and offsets with respect to a reference axis. This paper reports on … more
Date: August 17, 1990
Creator: Deadrick, F. J. & Griffith, L. V.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

In-process EDM truing to generate complex contours on metal-bond, superabrasive grinding wheels for precision grinding structural ceramics

Description: The demand and use of precision grinding of structural ceramics continue to increase as the worldwide advanced ceramic industry surpasses $20 billion is sales. Included in this industry are engineering structural ceramics, electronic ceramics, bioceramics and others. These materials are used in applications such as engine components, casting and extrusion dies, bearings, medical implants, nozzles, thermal insulators, and more. Along with the variety of ceramic applications comes a broad range o… more
Date: August 1, 1997
Creator: Piscotty, M. A.; Davis, P. J.; Saito, T. T.; Blaedel, K. L. & Griffith, L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Spacecraft Fabrication and Test MODIL. Semiannual report, March 1992--October 1992

Description: The Spacecraft Fabrication and Test (SF&T) MODIL is off to a good start to achieve its objective of establishing a producibility culture in the spacecraft fabrication community. The MODIL has been organized into five thrust areas: Automated Spacecraft & Assembly Project (ASAP) Materials and Structures; Cryocoolers; Precision Technologies; Assembly and Test. In this six months of effort, we have established significant initiatives with the aerospace industry and government laboratories. We conti… more
Date: May 1, 1993
Creator: Saito, T. T.; Spellman, G. P.; Sanders, D. M.; Griffith, L. V. & Cruz, G. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Variable Spaced Grating (VSG) Snout, Rotator and Rails for use at LLE

Description: The Variable Spaced Grating (VSG) is a spectrometer snout mounted to an X-Ray Framing Camera (XRFC) through the Unimount flange. This equipment already exists and is used at the University of Rochester, Laboratory for Laser Energetics (LLE) facility. The XRFC and the Unimount flange are designed by LLE. The Tilt Rotator fixture that mounts next to the XRFC and the cart rails are designed by LLNL, and are included in this safety note. The other related components, such as the TIM rails and the U… more
Date: January 25, 2010
Creator: Mukherjee, S K; Emig, J A; Griffith, L V; Heeter, R F; House, F A; James, D L et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Full Function Test Explosive Generator

Description: We have conducted three tests of a new pulsed power device called the Full Function Test (FFT). These tests represented the culmination of an effort to establish a high energy pulsed power capability based on high explosive pulsed power (HEPP) technology. This involved an extensive computational modeling, engineering, fabrication, and fielding effort. The experiments were highly successful and a new US record for magnetic energy was obtained.
Date: December 13, 2009
Creator: Reisman, D. B.; Javedani, J. B.; Griffith, L. V.; Ellsworth, G. F.; Kuklo, R. M.; Goerz, D. A. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Reduction of Beam Corkscrew Motion on the ETAII Linear Induction Accelerator

Description: The ETAII linear induction accelerator (6MeV, 3kA, 70ns) is designed to drive a microwave free electron laser (FEL) and demonstrate the front end accelerator technology for a shorter wavelength FEL. Performance to date has been limited by beam corkscrew motion that is driven by energy sweep and misalignment of the solenoidal focusing magnets. Modifications to the pulse power distribution system and magnetic alignment are expected to reduce the radius of corkscrew motion from its present value o… more
Date: September 4, 1990
Creator: Turner, W. C.; Allen, S. L.; Brand, H. R.; Caporaso, G. J.; Chambers, F. W.; Chen, Y. J. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

ILSE: The next step toward a heavy ion induction accelerator for inertial fusion energy

Description: LBL and LLNL propose to build, at LBL, the Induction Linac Systems Experiments (ILSE), the next logical step towards the eventual goal of a heavy-ion induction accelerator powerful enough to implode or ``drive`` inertial-confinement fusion targets. ILSE, although much smaller than a driver, will be the first experiment at full driver scale in several important parameters. Most notable among these are line charge density and beam cross section. Many other accelerator components and beam manipula… more
Date: July 1, 1992
Creator: Fessenden, T.; Bangerter, R.; Berners, D.; Chew, J.; Eylon, S.; Faltens, A. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

ILSE: The next step toward a heavy ion induction accelerator for inertial fusion energy

Description: LBL and LLNL propose to build, at LBL, the Induction Linac Systems Experiments (ILSE), the next logical step towards the eventual goal of a heavy-ion induction accelerator powerful enough to implode or drive'' inertial-confinement fusion targets. ILSE, although much smaller than a driver, will be the first experiment at full driver scale in several important parameters. Most notable among these are line charge density and beam cross section. Many other accelerator components and beam manipulati… more
Date: July 1, 1992
Creator: Fessenden, T.; Bangerter, R.; Berners, D.; Chew, J.; Eylon, S.; Faltens, A. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
Back to Top of Screen