CORE COMPETENCIES

Analysis, structural integrity, experimental design, structural mechanics, fatigue tests, reliability assessments...

SOFTWARE EXPERIENCE

Our team has extensive knowledge of various software languages that are key to successful projects.

FAA DERS

We are FAA DERS (Designated Representative Structures)

FAA DERS

We are FAA DERS (Designated Engineering Representatives for Electrical and Avionics

Services

CORE COMPETENCIES

  • Durability and Damage Tolerance Analysis

  • Fracture Mechanics

  • Environmentally Assisted Cracking

  • Classic Fatigue Analysis

  • USAF Aircraft Structural Integrity Program (ASIP)

  • Computational Structural Mechanics

  • Finite Element Analysis

  • High Performance Computing

  • Design and Analysis of Aircraft Structure

  • Design of Experiments

  • Static and Fatigue Test Plan Development

  • Test Fixture and Specimen Design and Analysis

  • Failure Modes and Effects Analysis

  • Reliability Assessment

  • Risk Analysis

SOFTWARE EXPERIENCE

  • FEMAP, NX NASTRAN
  • MSC PATRAN/NASTRAN
  • SolidWorks, MathCAD
  • AFGROW, NASGRO, CRACKS2000
  • C/C++, Unix/Linux, Shell Scripting, Batch Computing
  • Microsoft Office Suite, Microsoft Project, Microsoft Publisher

FAA DESIGNATED REPRESENTATIVE (DERS) STRUCTURES

  • Certification Plan Development

  • Compliance Checklists

  • Requests for Conformity

  • Major Repair and Alteration Approval

  • Standard Repair Development

  • Aging Safety Rule Requirements

  • Airworthiness Limitations

FAA DESIGNATED ENGINEERING REPRESENTATIVE (DERS) ELECTRICAL AND AVIONICS

  • SATCOM systems

  • VHF communication and data systems

  • Cabin entertainment systems

  • Electronic Fligh

  • HF communication systems

  • t Bags

  • CNS/ATM equipment

  • Aging aircraft systems upgrades

TESTING

PROTOTYPE/TEST SPECIMEN FABRICATION

  • CNC Mill (2), CNC Lathe (2), Digital Mill, Digital Lathe, Electro-Discharge Machine (Wire and Plunge), Rapid Prototype Machine, Surface Grinder, Standard Workshop Machines and Tools

  • Water Jet Cutting

  • Low and High Speed  Saws, Wire Saw Cutter

  • Plasma Cutting, Tungsten and Metal Inert Gas Welders (TIG and MIG)

  • Autoclave, filament winder, wet/dry composite lay-up

  • “Heat Table” – high ∆T, ∆P

MATERIAL PROCESSING

  • High Temperature Furnace 2200°F(4)

  • Ultra High Temperature Furnace 3100°F, with controlled environment

  • Cold rolling mill

  • Fastener hole cold working

METALLOGRAPHIC/FRACTOGRAPHIC

  • 2 Scanning Electron Microscopes (SEM), Energy Dispersion Spectrometry (EDS), Backscatter Detectors, Electron Backscatter Diffraction (EBSD)

  • Dual Beam Electron Microscope – Focused Ion Beam (FIB) Nanolab

  • Atomic Force Microscope

  • 4 Stereo Optical Microscopes with Digital Image Capture and Analysis

  • Automated Image Analysis Equipment

  • Automated Metallography Specimen Preparation Equipment:  Automatic Mounting Press, Automatic Grinding and Polishing, Electro-polishing, Electrochemical and Plasma Etching

  • Analytical Weighing Balance

  • Enclosed flood coolant Cut off Station

MECHANICAL TESTING

  • Computer Controlled Mechanical Test Frames, 120 kip (1), 50 kip (1), 25 kip (5)

  • Computer Controlled Servo Hydraulic Test Frames (MTS Flex-Test), 220 kip (1), 110 kip (1), 55 kip (3), 22 kip (2), 11 kip (2)

  • Vibration shakers (2)

  • Thermal Environment Chamber for MTS Testing

  • Computer Controlled Creep testing frames with static and dynamic loading for temperatures up to 2200°F

  • Salt Fog Chamber

  • 3-D Digital Image Correlation

  • Laser Doppler Vibrometer

  • Roll around LabView Data Acquisition and Control Carts (4)

STANDARDIZED TESTING

  • ASTM E8 –  Tension of Metallic Materials
  • ASTM E9 –  Compression Testing of Metallic Materials at Room Temperature
  • ASTM G34 – Exfoliation Corrosion Susceptibility in 2XXX and 7XXX Series Aluminum Alloys (EXCO Test)
  • ASTM B117 – Operating Salt Spray (Fog) Apparatus
  • ASTM G133 – Linearly Reciprocating Ball-on-Flat Sliding Wear
  • ASTM E238 – Pin-Type Bearing Test of Metallic Materials
  • ASTM E399 – Linear-Elastic Plane Strain Fracture Toughness k10 of Metallic Materials
  • ASTM E466 –  Conducting Constant Amplitude Axial Fatigue Tests of Metallic Materials
  • ASTM E561 – Standard Test Method for KR Curve Determination
  • ASTM C633 – Adhesion or Cohesion Strength of Thermal Spray Coatings
  • ASTM E647 –  Measurement of Fatigue Crack Growth Rates
  • ASTM B831 – Standard Test Method for Shear Testing of Thin Aluminum Alloy Products
  • ASTM E2109 –  Determining Area Percentage Porosity in Thermal Sprayed Coatings
  • MIL-J-2445a (SH) – Military Specification – Joint, Bimetallic Bonded, Aluminum to Steel 
  • ASTM E2546 – Standard Practice for Instrumented Indentation Testing

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