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Aerospace Vehicles Division Structures Testing & Evaluation [email protected] +31 88 511 42 86 www.nlr.nl NLR - Dedicated to innovation in aerospace The National Aerospace Laboratory NLR offers material and failure analysis for the aerospace and high tech industry. From a multi-disciplinary approach NLR delivers the essential feedback to design, manufacturing, maintenance/repair and safe operation. The modern material facilities and extensive experience provide NLR the capabilities to ensure proper material solutions for our national and international customers. The facility includes: Fully equipped material testing and investigation laboratory Metallographic imaging equipment for microstructural examination and material characterization Scanning electron microscope with EDX/WDX and EBSD Portable microscope and replication kit for field investigations Environmental test facility High temperature test facility “WHERE QUESTIONS ABOUT MATERIALS ARE ANSWERED” Material and failure analysis

Structures Testing & Evaluation “WHERE QUESTIONS ABOUT ... · Structures Testing & Evaluation [email protected] +31 88 511 42 86 NLR - Dedicated to innovation in aerospace The National

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Page 1: Structures Testing & Evaluation “WHERE QUESTIONS ABOUT ... · Structures Testing & Evaluation materials@nlr.nl +31 88 511 42 86 NLR - Dedicated to innovation in aerospace The National

Aerospace Vehicles DivisionS t r u c t u r e s T e s t i n g & E v a l u a t i o n [email protected] +31 88 511 42 86

www.nlr.nlNLR - Dedicated to innovation in aerospace

The National Aerospace Laboratory NLR offers

material and failure analysis for the aerospace and

high tech industry.

From a multi-disciplinary approach NLR delivers

the essential feedback to design, manufacturing,

maintenance/repair and safe operation.

The modern material facilities and extensive

experience provide NLR the capabilities to ensure

proper material solutions for our national and

international customers.

The facility includes:• Fully equipped material testing and investigation laboratory• Metallographic imaging equipment for microstructural examination and material

characterization• Scanning electron microscope with EDX/WDX and EBSD• Portable microscope and replication kit for field investigations• Environmental test facility• High temperature test facility

“WHERE QUESTIONS ABOUT MATERIALS ARE ANSWERED”

Material and failure analysis

Page 2: Structures Testing & Evaluation “WHERE QUESTIONS ABOUT ... · Structures Testing & Evaluation materials@nlr.nl +31 88 511 42 86 NLR - Dedicated to innovation in aerospace The National

Salt spray test for the replacement of chroming plating as applied on landing gears (left side before the test, right side after 192 test hours)

Test method for mechanical hydrogen embrittlement evaluation of plating/coating processes and service environments

Determination of the residal stress in material after an applied process

BEFORE AFTER

Different thermal expansion coefficent

Fact: strange drive shaft geometry

root cause analysis of F16 crash

Remedy:Worldwide replacement of

the steel bolts by nickel bolts

Steel bolts and nickel bracket

bowed out due to overheating

What causes the load cycles?

Is the overheating

of the drive shaftcaused by an oil

fire?

National Aerospace Laboratory NLRAmsterdam – A n t h o ny F o k ke r w e g 2 10 59 C M A m s t e r d a m P.O. B ox 9 0 5 02 10 0 6 B M A m s t e r d a m T h e N e t h e r l a n d sMarknesse – V o o r s t e r w e g 3 1 8 3 1 6 P R M a r k n e s s e P. O . B o x 1 5 3 8 3 0 0 A D E m m e l o o r d T h e N e t h e r l a n d sF4

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“THE RIGHT PARTNER IN MATERIAL RESEARCH”

The replacement and/or implementation of new materials or coatings are driven by technical performance, costs or environmental requirements. For aerospace applications, these new materials or coatings must be validated on the effectiveness to the service live. NLR is fully equipped to guide you through the entire validation process. An example of this validation is the replacement of chroming plating on landing gears of airplanes.