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In Investigation Of The Effects Of Atmosphere Corrosion On The Fatigue Life Of Aluminum Alloys
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Book Synopsis In Investigation of the Effects of Atmosphere Corrosion on the Fatigue Life of Aluminum Alloys by : Herbert A. Leybold
Download or read book In Investigation of the Effects of Atmosphere Corrosion on the Fatigue Life of Aluminum Alloys written by Herbert A. Leybold and published by . This book was released on 1958 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Investigation of the Effects of Atmospheric Corrosion on the Fatigue Life of Aluminum Alloys by : Herbert A. Leybold
Download or read book An Investigation of the Effects of Atmospheric Corrosion on the Fatigue Life of Aluminum Alloys written by Herbert A. Leybold and published by . This book was released on 1958 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fatigue tests were conducted on 100 vibrating cantilever sheet specimens by applying 4,000 cycles of load in a 10-minute period each working day while the specimens were subjected to atmospheric conditions over a period of several months. cSpecimens of 2024-T3 and 7075-T6 aluminum alloys in both the bare and clad forms were tested. For comparison, 96 specimens were tested indoors. Atmospheric effects shortened the average lives of the specimens by a factor of about 3 for 7075-T6 and 2024-T3 in the bare condition and by a factor of about 1.5 for 7075-T6 in the clad condition, and had no significant effect on the average life of 2024-T3 clad specimens.
Book Synopsis The Effects of Combined Prior Stress and Atmospheric Corrosion on the Fatigue Life of Aluminum Alloys by : Herbert A. Leybold
Download or read book The Effects of Combined Prior Stress and Atmospheric Corrosion on the Fatigue Life of Aluminum Alloys written by Herbert A. Leybold and published by . This book was released on 1964 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Combined Prior Stress and Atmospheric Corrosion on the Fatigue Life of Aluminum Alloys by :
Download or read book The Effects of Combined Prior Stress and Atmospheric Corrosion on the Fatigue Life of Aluminum Alloys written by and published by . This book was released on 1964 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Corrosion-fatigue Behavior of Aluminum Alloys by : D. N. Williams
Download or read book Environmental Corrosion-fatigue Behavior of Aluminum Alloys written by D. N. Williams and published by . This book was released on 1970 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of environment on fatigue behavior are quite intimately related to such test variables as stress intensity, cyclic frequency, and temperature. The effect of these variables has been shown to be quite complex. However, a consistent pattern of behavior is beginning to emerge which, it is hoped, will lead to a considerably changed understanding of the corrosion-fatigue process. It is considered probable that an increased understanding of the corrosion-fatigue process will also contribute measureably to an improved understanding of general fatigue processes. Material variables such as composition, directionality of properties, and microstructure, have important effects on corrosion-fatigue behavior of aluminum alloys. However, it appears that these variables, at least in gaseous environments, may be important largely because of their effects on the mechanical behavior of aluminum alloys. On the other hand, studies in seawater suggest that these variables become increasingly important as the corrosive nature of the environment increases. This memorandum discusses in detail the effects of both test variables and material variables on corrosion fatigue. In addition, current theories of corrosion-fatigue mechanisms are outlined, and several methods of preventing corrosion fatigue are suggested. (Author).
Book Synopsis The Effects of Combined Prior Stress and Atmospheric Corrosion on the Fatigue Life Aluminium Alloys by : Herbert A. Leybold
Download or read book The Effects of Combined Prior Stress and Atmospheric Corrosion on the Fatigue Life Aluminium Alloys written by Herbert A. Leybold and published by . This book was released on 1964 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Note - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Technical Note - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1958 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of the Effect of Corrosion Pitting on Fatigue Life of Aluminum Structure by : Eric J. Tuegel
Download or read book Investigation of the Effect of Corrosion Pitting on Fatigue Life of Aluminum Structure written by Eric J. Tuegel and published by . This book was released on 2003-10-01 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of testing to obtain data on the effect of pitting corrosion on the fatigue life of aluminum specimens. Forty-one coupons of 7075-T6 that had previously been exposed at various USAF bases around the world for up to a year were fatigue tested. The amount of corrosion on each had been previously characterized in terms of mass lost per unit of surface area. Additional characterization of the corrosion with surface roughness traces was done after the fatigue tests. After a threshold level of corrosion was reached, fatigue life generally decreased with increasing mass loss. Surface roughness generally increased with increasing mass loss as well. However, strong relationships could not be established in either case because of the limited amount of data and the scatter inherent in both fatigue and corrosion.
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1960 with total page 1006 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Note written by and published by . This book was released on 1964 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Fatigue in Aircraft Corrosion Testing (FACT) Programme by : R. J. H. Wanhill
Download or read book The Fatigue in Aircraft Corrosion Testing (FACT) Programme written by R. J. H. Wanhill and published by . This book was released on 1989 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: In accordance with the mission of AGARD the Structures and Materials Panel (SMP) has always kept an open eye for the possibilities to sponsor collaborative programmes of research. AGARD is unique in its ability to realise the cooperation of laboratories in up to sixteen nations. In this way AGARD distinguishes itself from other international scientific and technical organisations. In the 1970s the SMP decided to embark on collaborative research activities in the area of fatigue. One of the first activities was the Corrosion Fatigue Cooperative Testing Programme (CFCTP), the recursor to the Fatigue in Aircraft Corrosion Testing (FACT) programme. Both programmes are described in this report. Failure by fatigue and degradation by corrosion continue to be major considerations in aircraft design. Environmental effects influence both initiation and propagation of fatigue cracks, and dynamic loading may cause more rapid deterioration of corrosion protection systems. Therefore the conjuoint action of dynamic loading and environmental attack, i.e. corrosion fatigue, requires special attention. Many corrosion fatigue tests have been done on aluminum alloys. However, few included critical structural details like joints, under realistic cyclic load histories and in service-like environments. Even fewer used practical corrosion protection systems. These aspects are specifically addressed bye the CFCTP and FACT programmes. The results provide a significant contribution to the understanding of aircraft corrosion fatigue and should encourage further investigation in this difficult and challenging area of aerospace technology.
Book Synopsis Effect of Corrosion on the Fatigue Behavior of 2024-t4 Aluminum Alloy by : Clayton L. Harmsworth
Download or read book Effect of Corrosion on the Fatigue Behavior of 2024-t4 Aluminum Alloy written by Clayton L. Harmsworth and published by . This book was released on 1961 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was conducted to determine the effect of corrosion pitting on the fatigue behavior of 2024-T4 aluminum alloy and to establish a method of measuring pitting corrosion daage wih respect to fatigue. Surface roughness measurements were used to give a useful indication of the fatigue life that may be expected from a corroded structural member of 2024-T4 aluminum. The effect of pre-existing corrosion on the mechanism of fatigue was determined to be largely that of a stress raiser. In the case of pitting corrosion, calculaions could be made, based upon critical pit measurements, to determine the stress concentration effect of the corrosion pit. (Author).
Book Synopsis Effects of Corrosive Environments on Fatigue Life of Aluminum Alloys Under Maneuver Spectrum Loading by : J. J. GRUFF
Download or read book Effects of Corrosive Environments on Fatigue Life of Aluminum Alloys Under Maneuver Spectrum Loading written by J. J. GRUFF and published by . This book was released on 1970 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1973 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Surface Corrosion Damage on the Fatigue Life of Extruded Aluminum Alloy 6061-t6 by : Matthew Weber
Download or read book The Effect of Surface Corrosion Damage on the Fatigue Life of Extruded Aluminum Alloy 6061-t6 written by Matthew Weber and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Aluminum alloy 6061-T6 is a common engineering material used in aerospace, automotive, structural applications. Despite its wide use, little has been published about the effects of damage from surface corrosion on its fatigue life. An investigation was performed where 6061-T6 extrusions were exposed to a 3.5% NaCl solution at pH 2 for 2 days and 24 days. The length of time and pH were chosen in order to create distinct surface flaws. The effect of these flaws on the fatigue life was then investigated and analyzed using scanning electron microscopy (SEM) and Weibull statistics. It was determined that samples corroded for both 2-days and 24-days exhibit fatigue lives that can be described using a 3-parameter Weibull distribution. The result of which was the determination of a threshold value for fatigue as well a general understanding of flaw geometry.
Download or read book STAR written by and published by . This book was released on 1973 with total page 936 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis AFOSR Research: the Current Research Program, and a Summary of Research Accomplishments by : United States. Air Force. Office of Scientific Research
Download or read book AFOSR Research: the Current Research Program, and a Summary of Research Accomplishments written by United States. Air Force. Office of Scientific Research and published by . This book was released on 1967 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is designed to present the research programs of the Air Force Office of Scientific Research for the information of users of Air Force research, for scientific investigators working in the same or in allied fields, and for the military, scientific and academic, and Government communities at large.
