AAE552-Session6

AAE552-Session6 - AAE 552 Spring 2009 – A. F. Grandt 1 1...

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Unformatted text preview: AAE 552 Spring 2009 – A. F. Grandt 1 1 AAE 552: Nondestructive Evaluation of Structures and Materials A. F. Grandt, Jr. Professor of Aeronautics and Astronautics Purdue University W. Lafayette, IN 47907 Session 6 – 26 January 2009 2 Contact Information Alten F. (Skip) Grandt, Jr. Email: [email protected] Telephone: • Office: 765-494-5141 • Home: 765-463-4276 FAX: 765-494-0307 Course webpage accessed at: http://www.itap.purdue.edu/tlt/blackboard 3 AAE 552 Session 6 26 January 2009 Last Time: • Fatigue/NDE design criteria • NDT collaboration overview Today: • Ch 4 NDE overview 4 Assignment Please read textbook : • Chapter 4 Please Submit : • Session 9 (2 February) – Abstract for Paper #1 – see webpage for more details 5 Fatigue Design Criteria See AFG chapter 1 (Section 1.5) • Several ways to treat fatigue • Criteria differ in their view of cracking and implementation of inspection – Infinite life – Safe-life – Fail-safe – Slow crack growth – Retirement for cause Collaboration for NDT Education Note: 9 powerpoint lectures prepared by the Collaboration for NDT Education are available on the AAE 552 Web Page. These lectures provide an overview of various inspection topics and will be referred to in future AAE 552 classes. AAE 552 Spring 2009 – A. F. Grandt 2 Collaboration for NDT Education Presentations 1. Introduction to Nondestructive Testing 2. Visual Inspection 3. Penetrant Testing 4. Magnetic Particle Testing 5. Eddy Current Testing 6. Ultrasonic Testing 7. Radiographic Testing 8. Welder Certification 9. Weld inspection with UT Disclaimer: Collaboration for NDT Education Presentations These presentation were developed by the Collaboration for NDT Education to provide students and other audiences with a general introduction to nondestructive testing. The material by itself is not intended to train individuals to perform NDT functions, but rather to acquaint individuals with some of the common NDT methods and their uses. All rights are reserved by the authors but the material may be freely used by individuals and organizations for educational purposes. The materials may not be sold commercially, or used in commercial products or services. 9 Chapter 4: Introduction to Nondestructive Evaluation Goal: Overview NDE process and objectives • Inspection requirements • Primary methods • Inspection reliability • Human factors • Probability of detection 10 Figure 4.1 ( Evaluate • Accept • Reject F a ls e In d ic a tio n R e je c t C o m p o n e n t A c c e p t C o m p o n e n t E v a lu a te R e le v a n t In d ic a tio n R e le v a n t In d ic a tio n N o n re le v a n t In d ic a tio n In te r p re t In d ic a tio n " In d ic a tio n " o b ta in e d fr o m In s p e c ti o n S e n s e & R e c o r d R e s p o n s e to S tim u lu s A p p ly S tim u lu s to C o m p o n e n t Overview of Inspection Process 11 Inspection Limit and Time Period Goal: Find all crack sizes > a* that will grow to failure in time t*...
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This note was uploaded on 11/04/2010 for the course AAE 552 taught by Professor Longuski during the Spring '10 term at IUPUI.

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AAE552-Session6 - AAE 552 Spring 2009 – A. F. Grandt 1 1...

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