Materials 研究 Resources and Capabilities

配方-陶瓷和玻璃材料的开发，包括:

  • 能源
    • Solid oxide fuel cells, solar thermal concentrators, SSL, 热电技术, Gas purification membranes, 储氢, 太阳能光电板, 论文的, 电池
  • 环境
    • Recycling of waste streams into value added products, 优化材料制造工艺，降低能耗, waste and/or emissions, 多孔过滤器, Anti-corrosion coating
  • 医疗保健
    • Bioactive materials for hard tissue repair, Antibacterial materials, Adsorbents for purification of biomolecules
  • Defense/首页land Security
    • High temperature capacitors, Radiation detectors, 水听器, High temperature propulsion components, High-strength ceramic and glass armor

建模-材料结构、特性和性能的计算建模，包括:

  • Molecular dynamics
    • Relaxation behavior, ion migration in ionic conductors, 扩散, structure of ceramics and glass, fracture of brittle solids
  • Static lattice methods
    • Structural stability, defect formation and stability
  • Finite element analysis
    • 静态和动态有限元分析，多物理场模拟，包括应用电磁场
  • SciGlass数据库
    • Historical glass property database, 包括玻璃性能预测和成分选择的计算器

加工-陶瓷和玻璃加工的综合设施，包括:

  • Materials synthesis methods
    • Solid state reaction, 降水, 燃烧 synthesis, micelle synthesis, sol-gel processing, hetrocoagulation for grain boundary engineering
  • 手套箱
    • 包括配备内置炉的系统，用于在惰性气氛下加热
  • Ceramic processing equipment
    • High-intensity mixers, Multiple uniaxial presses (includes heated platens), Cold isostatic press, 压滤机, 挤出机, Injection molding, 注浆成型法, 喷雾干燥, Milling equipment (ball, 行星, gyromill, 振动, 等.), Heated Brabender mixer
  • Furnaces for materials processing
    • Box furnaces (up to 1600 °C), tube furnaces for controlled atmospheric work, vacuum furnaces (2000 °C)
    • Hot isostatic presses, hot uniaxial press, hot forging
    • 定制高温微波炉，带大气控制
    • Resistively heated and gas-fired tunnel kilns
    • Spark plasma sintering system
  • Thin film/thick film processing
    • 旋转涂布
    • 浸渍涂敷
    • 丝网印刷
    • 胶带铸造(包括用于切割、堆叠、层压和烧制的洁净室设施)
    • Ion-assisted E-beam PVD
    • Magnetron sputtering (DC, Pulsed DC, RF)
  • Glass processing equipment
    • Facilities for melting oxide and non-oxide glasses, Glass frit preparation, Glass fiber formation, Glass microsphere formation, Ion exchange of glass surfaces for chemical strengthening, refractive index modification

表征-用于表征材料结构和性能的综合设施:

  • Scanning electrion microscope (SEM)
    • 用于定性化学分析的具有能量色散x射线(EDX)光谱的标准扫描电镜
    • Field emission SEM with EDX; also includes Electron Backscatter Diffraction for crystallographic texture mapping and an accessory for high temperature SEM studies
  • Atomic force microscopy
    • Surface morphology and roughness
    • Includes probe for magnetic force microscopy
  • Optical microscopy
    • 功能包括断口分析，以确定失效机制
  • Electron microprobe
    • 用于定量化学分析的多光谱波长色散光谱仪
  • Optical interferometry
    • Surface morphology and roughness
  • X-ray diffraction (XRD)
    • 室温粉末XRD晶相鉴定
    • High temperature XRD up to ~1500 °C in controlled atmosphere to monitor phase formation and evolution; can be used to trace reaction kinetics
    • Rietveld细化能力定量相分析和结构解决方案
    • High energy system for pair distribution functions
    • Thin film characterization
    • Small angle X-ray scattering
  • Vibrational spectroscopy
    • Infrared spectrometer (transmission, diffuse reflectance, 可控气氛下的高温漫反射，用于监测样品的温度变化和/或与气体的反应)
    • Infrared microscope
    • Confocal Raman microscope with chemical Spectroscopy
  • X-ray photoelectron spectroscopy
    • 表面成分和局部化学环境的定量分析
    • Equipped with ion mill for depth profiling
  • Inductively coupled plasma-optical emission spectrometer
    • Chemical analysis of liquids; chemical analysis of solids with sample digestion
  • X-ray fluorescence spectrometer
    • Chemical analysis of solid samples
  • Powder characterization
    • Particle size (dynamic light scattering, X-ray desimentation), Surface area by gas adsorption, Density by helium pycnometry, Zeta potential as a function of pH, Potentiometric titration of suspensions, Viscosity of suspensions (stress-controlled rheometer, strain-controlled rheometer, annular shear cell)
  • Glass characterization
    • 粘度测量(梁弯曲，纤维伸长，平行板，热级显微镜)
    • Furnace for measuring surface tension and density of melts by the pendant drop and sessile drop methods; capable of controlled atmosphere and temperature up to 1400 °C
  • Optical property testing
    • 紫外-可见-近红外光谱法(透射、镜面反射、漫反射)
    • 荧光光谱学(包括荧光寿命测量)
    • 折射率(阿贝折光计、光谱椭偏计、贝克线)
  • Thermal property testing
    • 差示热分析/差示扫描量热法用于测量相变(熔化), 结晶, polymorphic phase transformations), 分解, 燃烧, glass transformation temperature, 热容, 等.
    • Dynamic modulus analyzer
    • Thermogravimetric analysis (TGA) for measuring mass change as a function of temperature under controlled; can be linked to dehydration or dehydroxylation, 分解, 非化学计量性, 等.
    • 测量热膨胀系数的膨胀法, softening point of glasses, sintering profiles, 等.
    • 即将推出的功能包括与质谱仪连接的TGA，用于分析演化气体和激光闪光热扩散率
  • Electrical Property Testing
    • DC conductivity as a function of temperature
    • Impedance spectroscopy (controlled atmosphere and controlled temperature up to 1000 °C); multiple uses include AC conductivity measurements and corrosion testing.
    • Thermoelectric power measurement; Seebeck coefficient measurement
    • 测量电容、电感、电阻、阻抗、介电常数、损耗因数等., at controlled temperature
    • 用标量法和阻抗圆法对压电进行表征
    • Measurement of strain and polarization as a function of applied field at temperatures between 20 °C to 280 °C at low frequencies; GHz frequencies for room temperature
    • Hall effect measurement at controlled temperature
    • Cryogenic measurement capabilities down to 15K
    • High temperature melt conductivity
  • Mechanical property testing
    • 多个英斯特朗通用测试框架，带夹具，用于拉伸测试, compression testing, 弯曲测试, 等.
    • Hardness indentation
    • Ultrasonic measurement of elastic modulus
    • 环境al chamber for testing at controlled temperature (-34 °C to 190 °C) and controlled humidity (10% to 95% RH); upcoming capabilities include a chamber for high temperature testing
    • High speed camera for ballistics testing
  • Digital fabrication
    • 使用粘合剂喷射技术的增材制造的实验室规模和中试规模系统
    • 5轴数控加工系统，可加工脆性材料
    • Coordinate measurement machine for part inspection
    • 激光切割
    • Thermoplastic rapid prototyping equipment
    • Siemens NX software for integrated CAD/CAM/CAE
  • Biomaterials testing
    • 标准实验室设备包括:用于细胞培养的培养箱, 离心机, 冰柜(-20°C, -80 °C), flow hood for sterile work, 高压灭菌器, 库尔特计数器, gel electrophoresis (native and denatured), 冷冻干燥机
    • Multi-well plate UV-Vis spectrometer
    • 具有荧光成像能力的倒置光学显微镜
    • 细胞毒性试验(活/死细胞试验，细胞形态学)
    • Antibacterial testing
    • In-vitro reactivity testing
    • 生物分子与材料表面的相互作用