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Author : Claude B. Castle
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (31 download)
Download or read book Fatigue Investigation of Full-scale Wing Panels of 7075 Aluminum Alloy written by Claude B. Castle and published by . This book was released on 1961 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Claude B. Castle
Publisher :
ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (249 download)
Download or read book Fatigue Investigation of Full-Scale Wing Panels of 7075 Aluminum Alloy written by Claude B. Castle and published by . This book was released on 1961 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Technical Note written by and published by . This book was released on 1970 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1274 pages
Book Rating : 4.:/5 (327 download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1961 with total page 1274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Superintendent of Documents
Publisher :
ISBN 13 :
Total Pages : 1284 pages
Book Rating : 4.:/5 (89 download)
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1961 with total page 1284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. M. Hudson
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (31 download)
Download or read book Investigation of Fatigue-crack Growth Under Simple Variable-amplitude Loading written by C. M. Hudson and published by . This book was released on 1970 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: VARIABLE-AMPLITUDE FATIGUE-CRACK-GROWTH TESTS WERE CONDUCTED ON SIMPLE SHEET SPECIMENS MADE OF 7075-T6 ALUMINUM ALLOY. THE NUMBERS AND THE AMPLITUDES OF THE HIGH-LOAD CYCLES APPLIED IN THESE TESTS WERE SYSTEMATICALLY VARIED TO STUDY THEIR EFFECTS ON SUBSEQUENT LOW-LOAD FATIGUE-CRACK GROWTH. THE HIGH-LOAD CYCLES CONSISTENTLY DELAYED SUBSEQUENT FATIGUE-CRACK GROWTH AT LOWER LOAD LEVELS. FOR A GIVEN LOW-LOAD LEVEL, THE HIGHER THE PRECEDING HIGH-LOAD LEVEL WAS, THE GREATER THE DELAY IN CRACK PROPAGATION. FURTHERMORE, THE DELAY IN CRACK GROWTH INCREASED WITH INCREASING NUMBERS OF HIGH-LOAD CYCLES UP TO A LIMIT. ONE HIGH-LOAD CYCLE CAUSED APPROXIMATELY ONE-FOURTH OF THE MAXIMUM DELAY, AND TEN HIGH-LOAD CYCLES CAUSED APPROXIMATELY ONE-HALF OF THE MAXIMUM DELAY. THESE DELAYS PROBABLY RESULTED FROM RESIDUAL COMPRESSIVE STRESSES GENERATED IN THE MATERIAL IMMEDIATELY AHEAD OF THE CRACK TIP DURING THE APPLICATION OF THE HIGH-LOAD CYCLES. ELECTRON FRACTOGRAPHIC STUDIES SHOWED THAT A GIVEN STRESS LEVEL, FATIGUE CRACKS PROPAGATED MORE SLOWLY IMMEDIATELY AFTER THE APPLICATION OF A HIGH-LOAD CYCLE THAN THEY DID IMMEDIATELY BEFORE ITS APPLICATION. THIS LOWER CRACK-GROWTH RATE IS CONSISTENT WITH THE DELAY IN CRACK GROWTH OBSERVED ON THE MACROSCOPIC LEVEL.
Author : United States. Superintendent of Documents
Publisher :
ISBN 13 :
Total Pages : 1504 pages
Book Rating : 4.F/5 ( download)
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1979 with total page 1504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (227 download)
Download or read book An Investigation of Residual Stresses in Simulated Wing Panels of 7075-T6 Aluminum written by and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of onboard aircraft microprocessor fatigue monitoring systems will establish the opportunity to fully exploit residual stresses at stress-critical areas, including their effects on fatigue predictions. An experimental investigation was undertaken to more fully understand them by making photoelastic measurements of residual stresses at notches in simulated wing panels of 7075-T6 aluminum and to establish the relationships between local stresses, residual stresses, and the far-field or applied stress. The stress concentration factors were found to decrease with increased plastic deformation while the strain concentration factors were found to remain constant. The residual stress levels were found to be immutable despite changes in fatigue loading conditions, notch geometry, or test duration. (Author).
Author : Robert G. Dubensky
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)
Download or read book Fatigue Crack Propagation in 2024-T3 and 7075-T6 Aluminum Alloys at High Stresses written by Robert G. Dubensky and published by . This book was released on 1971 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dwight O. Fearnow
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.3/5 (91 download)
Download or read book Investigation of the Fatigue Strength of a Full-scale Airplane Wing Structures written by Dwight O. Fearnow and published by . This book was released on 1951 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (318 download)
Download or read book References on Fatigue written by and published by . This book was released on 1961 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Society for Testing and Materials
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.3/5 (91 download)
Download or read book References on Fatigue written by American Society for Testing and Materials and published by . This book was released on 1964 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel W. Lester
Publisher :
ISBN 13 :
Total Pages : 578 pages
Book Rating : 4.:/5 (321 download)
Download or read book Cumulative Title Index to United States Public Documents, 1789-1976 written by Daniel W. Lester and published by . This book was released on 1980 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.3/5 (126 download)
Download or read book ASTM Special Technical Publication written by and published by . This book was released on 1964 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frederick O. Smetana
Publisher :
ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.:/5 (31 download)
Download or read book A Study of NACA and NASA Published Information of Pertinence in the Design of Light Aircraft: Structures, by Frederick O. Smetana written by Frederick O. Smetana and published by . This book was released on 1970 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frederick O. Smetana
Publisher :
ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Study of NACA and NASA Published Information of Pertinence in the Design of Light Aircraft. Volume 1 - Structures written by Frederick O. Smetana and published by . This book was released on 1970 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward C. Engle
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (227 download)
Download or read book An Investigation of Residual Stresses in Simulated Wing Panels of 7075-T6 Aluminum written by Edward C. Engle and published by . This book was released on 1979 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of onboard aircraft microprocessor fatigue monitoring systems will establish the opportunity to fully exploit residual stresses at stress-critical areas, including their effects on fatigue predictions. An experimental investigation was undertaken to more fully understand them by making photoelastic measurements of residual stresses at notches in simulated wing panels of 7075-T6 aluminum and to establish the relationships between local stresses, residual stresses, and the far-field or applied stress. The stress concentration factors were found to decrease with increased plastic deformation while the strain concentration factors were found to remain constant. The residual stress levels were found to be immutable despite changes in fatigue loading conditions, notch geometry, or test duration. (Author).
