1、Lessons Learned Entry: 0519Lesson Info:a71 Lesson Number: 0519a71 Lesson Date: 1994-08-03a71 Submitting Organization: LARCa71 Submitted by: Bernard LewisSubject: Use of Acoustic Emission for Detection of Damage Mechanisms Description of Driving Event: NASA TM 107442 entitled, “Monitoring Damage Grow
2、th in Titanium Matrix Composites Using Acoustic Emission“, has been published. This work was coauthored by J.G. Bakuckas (National Research Council Research Associate), W.H. Prosser, and W.S. Johnson and is the result of collaborative research between different LaRC offices. The publication describe
3、s the use of acoustic emission for the detection of different damage mechanisms such as fiber breakage, matrix cracking and plastic deformation, and fiber debonding in these composites.Lesson(s) Learned: the use of acoustic emission for the detection of different damage mechanisms such as fiber brea
4、kage, matrix cracking and plastic deformation, and fiber-matrix debonding in these composites has been published.Recommendation(s): NASA TM 107742, entitled, “Monitoring Damage Growth in Titanium Matrix Composites Using Acoustic Emission“, has been published.Evidence of Recurrence Control Effectiven
5、ess: N/ADocuments Related to Lesson: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-N/AMission Directorate(s): N/AAdditional Key Phrase(s): a71 Parts Materials & Processesa71 Research & DevelopmentAdditional Info: Approval Info: a71 Approval Date: 1997-04-02a71 Approval Name: Elijah C. Kenta71 Approval Organization: 421a71 Approval Phone Number: 757-864-3345Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
