Los Alamos National Laboratory
Materials Science and Technology

MST 8 Capabilities

Dynamic materials
Characterization and modeling of mechanical properties
Science of defects
Materials modeling
Crystal growth & material preparation
Ion beam laboratory scanning probe microscopy
Miscellaneous

Dynamic Properties

Characterization Technique Equipment Scientific Insight MST-8 Contact
Modelling - finite element   Constitutive performance prediction (plasticity/texture) John Bingert
Microscopy - electron - orientation imaging FEI XL30 OIM Surface - texture John Bingert
Mechanical testing: Tension torsion Tension/ compression - high rate w/ option of synchronized high speed video. Constititutive performance John Bingert
Mechanical testing: 25mm gas gun Custom built + Laser interferometry Constititutive performance; Crack initiation, growth John Bingert
Mechanical testing: 7.62mm gas gun Custom built / Taylor test cylinders Constititutive performance; Time resolved dynamic plasticity Rusty Gray
Mechanical testing: 80mm gas gun Custom built Constitutive performance; Shock recovery, spallation, Equation of state Rusty Gray
Modelling - "MTS" and "PTW" Thermally activated strength Constitutive performance prediction; (Temp strain rate) Shuh-Rong Chen
Mechanical testing: Hopkinson bartension/ compression Custom built w induction heater Constititutive performance; stress strain f strain rate, damage evolution Carl Cady
Microscopy - electron - scanning Jeol 6300 Surface - structure Ellen Cerreta
Indenter Buehler (micro, macro tips) Hardness Mike Lopez
Microscopy - optical - metallography Zeiss (digital) 10X thru 1000X, Leitz thru 500X Metallography - microstructure grain structure Mike Lopez

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Characterization and modeling of mechanical properties

Characterization Technique Equipment Scientific Insight MST-8 Contact
Computer cluster 45-node Linux cluster and 4 TB file system Support all varieties of modeling and simulation in MST Division Steve Valone
Modelling - micromechanical analytical Tanaka- Generalized self consistent Constitutive performance - hetrogeeous / composite systems Cheng Liu
Mechanical testing Digital Image correlation Full field deformation; localized crack fields Cheng Liu
Diffraction - neutron - polyxtal SMARTS @ LANSCE Residual stress, atomic structure Don Brown
Diffraction - neutron - polyxtal SMARTS @ LANSCE Constitutive performance (microstructural) Don Brown
Diffraction - neutron - small angle LQD @ LANSCE Porosity 10nm -1000nm Don Brown
Diffraction - neutron - polyxtal HIPPO @ LANSCE Texture - bulk Don Brown
Mechanical testing: Tension / Compression quasistatic 77k to1000C) MTS 880, Instron 1125 Constititutive performance (modulus, yield, ductility) <xs-1 Manny Lovato
Mechanical testing: Tension torsion Tension- compression- torsion-internal pressure Constititutive performance Manny Lovato

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Science of defects

Characterization Technique Equipment Scientific Insight MST-8 Contact
Grazing Incidence X-ray diffraction (GIXRD) Bruker D8Advance Near surface analysis of polycrystalline materials crystal structure under various atmospheres and temperatures. James Valdez
High temperature ion irradiation Pyrolytic graphite/Boron Nitride heaters Ion irradiation of materials at elevated temperatures used to study ion/solid chemistry interactions and/ or dislocation loop formation as a function of ion species, fluence and temperature. James Valdez

In-situ Reflective High Energy Electron Diffraction (RHEED)/ion Irradiation
Operational in
FY 07

Staib Instruments Inc. 60 keV electron gun In-situ observation of ion irradiation effects in single crystalline ceramic surfaces. James Valdez
Ceramic processing

Furnaces and high-energy ball mill, saws and polishing equipment

Synthesis and preparation complex ceramics for ion irradiation damage studies. James Valdez
Mechanical testing of irradiated metals in tension CMR Wing 9 hot cells   Stuart Maloy
compression and bending at temperatures up to 700C under inert gas CMR Wing 9 hot cells   Stuart Maloy
Optical microscopy CMR Wing 9 hot cells   Stuart Maloy
Vickers hardness testing of irradiated metals CMR Wing 9 hot cells   Stuart Maloy

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Materials modeling

Characterization Technique Equipment Scientific Insight MST-8 Contact
Thermodynamics of multi-component alloys     Carlos Tome
Simulations of microstructure evolution     Carlos Tome
Thermodynamics of small systems     Carlos Tome
Atomistic and continuum simulations of phase stability of alloys     Carlos Tome
Models and Simulations of phase transformations in alloys     Carlos Tome
Developers of Truchas, casting simulation software     Carlos Tome
Experimental and theoretical models of deformation in hcp materials     Carlos Tome
Thermal conductivity models via experiment and computation     Carlos Tome
Modelling - selfconsistent Elastoplastic model Constitutive performance prediction (microstructural) Carlos Tome
Modelling - self consistent Viscoplastic model Texture prediction Carlos Tome

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Crystal growth & material preparation

Characterization Technique Equipment Scientific Insight MST-8 Contact
Advanced models and simulations of nuclear fuel materials     Kenneth McClellan
Transmutation of nuclear fuels     Kenneth McClellan
Thermochemistry of polymers     Kenneth McClellan
Synthesis and Thermal treatments     Kenneth McClellan
Calorimetry & Dilatometry     Kenneth McClellan
Crystal growth     Kenneth McClellan
Characterization of Materials Properties     Kenneth McClellan
Calorimetry Perkin Elmer DSC-7 Specific heat; thermodyamic heat of transition Douglas Safarik
Diffraction - X-ray - LAUE SX - LAUE Atomic structure single crystal Douglas Safarik
Diffraction - X-ray - polyxtal Powder, HiTemp Atomic structure Douglas Safarik
Magnetometry KHH Magnetic BH hysterois curve coercivity & moment Douglas Safarik
Mechanical Testing; Dynamic spectroscopy Perkin Elmer DMA-7 Real and imaginary modulus Douglas Safarik
Thermo-gravimetry Perkin Elmer TGA Oxidation/reduction kinetics Douglas Safarik
Ultrasound; Rayleigh wave Custom design in situ UHV In situ Elastic mudul I thin films Douglas Safarik
Ultrsound; Resonant spectroscopy Dynamic resonant systems Elastic constants Douglas Safarik

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Ion beam laboratory and scanning probe microscopy

Characterization Technique Equipment Scientific Insight MST-8 Contact
Ion beam microprobe 3MV Tandem accelerator   Yong Wang
Ion beam tritium irradiation 3MV Tandem accelerator   Yong Wang
Ion beam implanter 200KV Implanter   Yong Wang
Microscopy - scanning probe - tunneling Air based Veeco, UHV omicron Density of states - atomic resolution Marilyn Hawley
Microscopy - scanning probe - atomic force Magnetic head Magnetic domain structure - nanoscale Marilyn Hawley
Microscopy - scanning probe - atomic force Piezoelectric head Piezoelectric domain structure nano scale Marilyn Hawley
Microscopy - scanning probe - atomic force Nano mechanical head Stiffness nano scale Marilyn Hawley
Microscopy - scanning probe Magneto resistive head Current distribution Marilyn Hawley
Microscopy - scanning probe - atomic force Potentiometric head Resistance (kelvin probe) nano scale Marilyn Hawley
Microscopy - Photoluminescence spectrometer Low T Spin state, exciton energy Marilyn Hawley

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Miscellaneous

Characterization Technique Equipment Scientific Insight MST-8 Contact
Thin film dep     MNRS
Characterization technique Equipment Scientific insight MST-8 PI
Fabrication tool Equipment Function MST-8 PI

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