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Mechanical testing
Mechanical testing
- Instron servo-hydraulic test-frame: 100 kip and 0.2 kip load cells, 200 kip frame rating
- MTS servo-hydraulic test-frame: 300 kip load cell, 400 kip frame rating
- Research Inc drop tower: 2000 ft-lb capacity
- Dead Weight loading systems: 3 systems (each 10 kip capacity)
- Gleeble 3500 dynamic servo-hydraulic test system: 10 t compression/tension capability, strain rates 0.0001/s to 50-60/s; with non-contact green-LED extensometer and 1600 °C pyrometer system
- Flex bending fatigue: 5 systems (55 Hz fully reversed loading)
- Automated computer controlled test procedures: (K1c,CTOD, J, da/dn, da/dt, K1scc, Kth, Tensile, Bend, flexure, compression)
- Tinius Olson CVN (264 ft-lb pendulum type with low blow and instrumented setup)
Instron frame
Gleeble 3500
Flex bending fatigue
Manufacturing/Welding
Manufacturing/Welding
- Welding processes in house: OAW, SMAW, GMAW, FCAW, GTAW, SAW, ESD, ESW, ESS, CMT
- Dual Motoman GMAW welding robots with coordinated positioner
- Electroslag welding workstation
- Fully digital Cold Metal Transfer and Timed Twin dual Gas Metal Arc Welding (Fronius)
- Electro-slag strip surfacing
- Lab-scale VIM/VAR with zirconia/alumina crucibles (1-3 kg)
- Pilot-scale ESR (5-100 kg)
Dual Robot GMAW
Fronius CMTadvanced
Electroslag strip surfacing
Electroslag welding
VIM/VAR
Electroslag remelting
Finished ESR melt
Ultrasonic impact treatment
Electrospark deposition
Heat-treating
Heat-treating
- Gleeble 3500 system: Resistive heating to 1600 °C in high vacuum, < 10^-4 Torr
- ATS clam-shell type furnace: 1700 °C air, 1600 °C inert gas with quench in vertical alumina tube
- Marshall vertical tube furnace: 870 °C air or controlled atmosphere with direct quench
- Leco horizontal tube furnace: 1250 °C air or controlled atmosphere
- Thermcraft box type air furnaces: 300 °C, 1100 °C, and 1250 °C
- Neslab ultralow temperature bath : -75 °C (-100 °F) immersion, Chest type -85 °C (-120 °F) in air
- Across International GCF1200 Vacuum furnace: 1200 °C, vacuum to 15 mTorr, optional external gas supply
- Jominy test fixture
ATS tube furnace
Across vacuum furnace
Gleeble heat-treating at 1600 °C in high vacuum
Thermcraft box furnace
Sample preparation
Sample preparation
- Struers Accutom 50 precision saw
- Buehler low-speed diamond saw
- Struers Discotom cut-off saw
- Leco 14" abrasive immersion cut-off saw
- Struers Rotopol automated grinding/polishing system
- Manual grinding/polishing stations 150/300 rpm (3)
- Struers hot-mounting press
- Struers/Allied cold mounting epoxy setup
Struers Accutom
Struers Discotom
Struers Rotopol
Characterization at Center for Electron Microscopy and Nanofabrication
Characterization at Center for Electron Microscopy and Nanofabrication
- Zeiss Sigma FESEM with EDS, WDS, EBSD
- FEI Sirion FESEM with EDS, WDS, EBSD
- FEI DB237 Dual-Beam FIB with EDS, OmniProbe
- FEI Tecnai F20 200kV TEM with STEM, EDX, EELS, HAADF
- PHI AES and XPS, 5kV Ar+ / C60 sputtering
- Rigaku Ultima IV XRD with WAXD and SAXS options
- Optical microscopy (10x-1500x): BF, DF, DIC
- DSC/TGA Perkin-Elmer STA8000: up to 1600 °C at up to 20 °C/min in Ar or N, sample sizes 10-200 mg
Zeiss FEG-SEM
FEI FIB/SEM
FEI STEM
PHI XPS/AES
Perkin-Elmer DSC/TGA STA 8000
Computational modeling
Computational modeling
- Thermo-Calc/Dictra/Prisma: Thermodynamic, diffusion and precipitation modeling, databases for Fe, Ni, Ti, Slag
- JMatPro: Materials Properties of alloys, databases for Fe, Ni, Ti, Al
- DEFORM/DEFORM-HT: Metal Forming Process Simulation and Metal Heat Treatment
- Abaqus, Ansys, Solidworks
- Through collaboration with Oregon State University: DFT (VASP), MD (LAMMPS), etc. on HPC with 16+ TeraFlops, 1,800 cores
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