recent innovations in guided wave technology...2016/12/09  · coating ili guided wave technologies...

Recent Innovations in Guided Wave Technology

2017 TAG Expo 7/27/2017

Steven E. Owens

sowens@gwultrasonics.com www.gwultrasonics.com

FBS, Inc. DBA Guidedwave 450 Rolling Ridge Drive

Bellefonte, PA

Guidedwave Mission Statement

To become the leading ultrasonic guided wave innovations company

Market Niche

“Theoretically-driven” sensor design and software development combined with unprecedented vast experience in ultrasonic guided waves

Guided Waves vs.

Bulk Waves

Natural Waveguide Examples

• Plates (ship hull, aircraft skin)

• Rods (cylindrical, square, rail, etc.)

• Hollow cylinder (pipes, tubing)

• Multi-layer structures

• Curved or flat surfaces on a half-space

• Layer or multiple layers on a half-space

• An interface

Aircraft Skins

Pipelines

Storage Tanks

Principal Benefits of Guided Waves • 100% coverage throughout the thickness of the structure.

• Inspection over long distances from a single probe position.

• Ability to inspect hidden and inaccessible regions of structures and structures under water, coatings, insulations, and concrete.

• Cost effectiveness because of inspection simplicity and speed.

Common Uses • Pipe inspection and monitoring

• Plate inspection and monitoring

• Delamination detection

Long-Range GW Pipeline Inspection Technology (U.S. Patents 11/948,383 and 13/298,758)

Long Range Inspection Example

Defect Defect Defect

Defect

Medium-Range Guided Wave Scanner (Pending U.S. Patent 15/043,092)

8

Corrosion Under Supports

Calibration Target

Bonded Poor Bond

Composite Repair Patch Bond Integrity

Soundpath

--- Fast

--- Slow

disbonded

coating

ILI Guided Wave Technologies

time (m

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pipe distance (in)

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Coating Disbond Detection Defect Detection

Corrosion Monitoring on A-10 Aircraft

Sensor packs installed Since 2014

Acoustic Emission Omnidirectional Shear Wave Sensors

Radar Towers

Water Twister

Guided Wave Phased Array Technology

φ 4.00”

A3B3C3

corrosion

Flat Bottom hole ¼” diameter 25% Wall Loss

Round Bottom hole ¼” diameter 25% Wall Loss

Phased Array Image Examples