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Author : C. M. Hudson
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)
Download or read book Studies of Fatigue Crack Growth in Alloys Suitable for Elevated-temperature Applications written by C. M. Hudson and published by . This book was released on 1965 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. Michael Hudson
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (249 download)
Download or read book Studies of Fatigue Crack Growth in Alloys Suitable for Elevated-temperature Applications written by C. Michael Hudson and published by . This book was released on 1965 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. M. Hudson
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (31 download)
Download or read book Fatigue-crack Propagation in Several Titanium and Stainless-steel Alloys and One Superalloy written by C. M. Hudson and published by . This book was released on 1964 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Lesterlin
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (125 download)
Download or read book Atmospheric Influence on Fatigue Crack Propagation in Titanium Alloys at Elevated Temperature written by S. Lesterlin and published by . This book was released on 1997 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fatigue crack propagation behavior of a Ti-6Al-4V alloy has been investigated at room temperature and at 300°C. Tests were run in air, high vacuum, and some other environments with controlled partial pressure of water vapor and oxygen. The enhancement of the fatigue crack growth rates observed in air in comparison to high vacuum, considered as an inert environment, is clearly attributed to the presence of water vapor. Tests in a controlled environment demonstrate that very low partial pressure can accelerate crack propagation. On the basis of previous studies on Al alloys and steels, two controlling mechanisms are considered and discussed, namely, a propagation-assisted water vapor adsorption and a hydrogen-assisted propagation.
Author :
Publisher :
ISBN 13 :
Total Pages : 332 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Technical Note written by and published by . This book was released on 1967 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (317 download)
Download or read book High Temperature Fatigue Crack Growth Behavior of Alloy 10 written by and published by . This book was released on 2001 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert S. Piascik
Publisher : ASTM International
ISBN 13 : 0803124139
Total Pages : 231 pages
Book Rating : 4.8/5 (31 download)
Download or read book Elevated Temperature Effects on Fatigue and Fracture written by Robert S. Piascik and published by ASTM International. This book was released on 1997 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Gayda
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (11 download)
Download or read book High temperature fatigue crack growth behavior of Alloy 10 written by John Gayda and published by . This book was released on 2001 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ulrich Krupp
Publisher : John Wiley & Sons
ISBN 13 : 3527610677
Total Pages : 311 pages
Book Rating : 4.5/5 (276 download)
Download or read book Fatigue Crack Propagation in Metals and Alloys written by Ulrich Krupp and published by John Wiley & Sons. This book was released on 2007-06-27 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive overview of the whole field of fatigue and fracture of metallic materials covers both the theoretical background and some of the latest experimental techniques. It provides a summary of the complex interactions between material microstructure and cracks, classifying them with respect to the overall damage process with a focus on microstructurally short cracks and dynamic embrittlement. It furthermore introduces new concepts for the numerical treatment of fatigue microcrack propagation and their implementation in fatigue-life prediction models.This comprehensive overview of the whole field of fatigue and fracture of metallic materials covers both the theoretical background and the latest experimental techniques. It provides a summary of the complex interactions between material microstructure and cracks, classifying them with respect to the overall damage process. It furthermore introduces new concepts for the numerical treatment of fatigue microcrack propagation and their implementation in fatigue-life prediction models.
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721259212
Total Pages : 34 pages
Book Rating : 4.2/5 (592 download)
Download or read book High Temperature Fatigue Crack Growth Behavior of Alloy 10 written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-19 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods to improve the high temperature, dwell crack growth resistance of Alloy 10, a high strength, nickel-base disk alloy, were studied. Two approaches, heat treat variations and composition modifications, were investigated. Under the heat treat approach, solution temperature, cooling rates, and stabilization, were studied. It was found that higher solution temperatures, which promote coarser grain sizes, coupled with a 1550 F stabilization treatment were found to significantly reduce dwell crack growth rates at 1300 F Changes in the niobium and tantalum content were found to have a much smaller impact on crack growth behavior. Lowering the niobium:tantalum ratio did improve crack growth resistance and this effect was most pronounced for coarse grain microstructures. Based on these findings, a coarse grain microstructure for Alloy 10 appears to be the best option for improving dwell crack growth resistance, especially in the rim of a disk where temperatures can reach or exceed 1300 T. Further, the use of advanced processing technologies, which can produce a coarse grain rim and fine grain bore, would be the preferred option for Alloy 10 to obtain the optimal balance between tensile, creep, and crack growth requirements for small gas turbine engines. Gayda, John Glenn Research Center NASA/TM-2001-210814, E-12729, NAS 1.15:210814
Author : Tina Louise Panontin
Publisher : ASTM International
ISBN 13 : 0803124864
Total Pages : 922 pages
Book Rating : 4.8/5 (31 download)
Download or read book Fatigue and Fracture Mechanics written by Tina Louise Panontin and published by ASTM International. This book was released on 1999 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : HI. McHenry
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (125 download)
Download or read book Fatigue Crack Propagation in Steel Alloys at Elevated Temperatures written by HI. McHenry and published by . This book was released on 1973 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fatigue crack propagation characteristics of three steel alloys were evaluated at room and elevated temperatures in an air environment. The alloys and temperature ranges were: A212-B (?YS = 40 ksi) 75 to 800 F, A517-F (?YS = 104 ksi) 75 to 950 F, and 9Ni-4Co-0.30C (?YS = 185 ksi) 75 to 650 F. The compact tension specimen was used for the 9Ni-4Co-0.30C and A517-F tests. A modified compact tension specimen having deep face notches in the crack plane was used for the A212-B tests. Fracture mechanics parameters were used to evaluate the crack propagation data. When plotted as a function of the stress intensity range, ?K, the crack growth rates increased with temperature in A517-F and A212-B; temperature did not influence the 9Ni-4Co-0.30C data. Tests at reduced cyclic frequencies were conducted on A517-F and 9Ni-4Co-0.30C steel. The crack growth rates increased as the frequency was reduced in A517-F at 500 and 950 F. In 9Ni-4Co-0.30C the growth rates at 500 and 650 F were essentially the same for cyclic frequencies of 10 and 0.002 Hz over the range of growth rates investigated.
Author : Todd P. Albertson
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.:/5 (42 download)
Download or read book Fatigue Crack Growth Behavior of Two Titanium Alloys at Room and Elevated Temperature written by Todd P. Albertson and published by . This book was released on 1996 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. E. Carden
Publisher :
ISBN 13 : 9781581452822
Total Pages : 11 pages
Book Rating : 4.4/5 (528 download)
Download or read book A Critical Evaluation of Fatigue Crack Growth Measurement Techniques for Elevated Temperature Applications written by A. E. Carden and published by . This book was released on 1983 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : TP. Albertson
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (125 download)
Download or read book Fatigue Crack Growth of Two Advanced Titanium Alloys at Room and Elevated Temperature written by TP. Albertson and published by . This book was released on 1997 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper provides fatigue crack growth information at low crack growth rates for two sheet titanium alloys: ?-21S, a ? alloy, and Ti-62222, an ? + ? alloy. Room (25°C) and elevated temperature (175°C) fatigue crack growth tests at two different stress ratios, R = 0.1 and 0.5, were performed. Effects of temperature and stress ratio were evaluated in order to study the complex interaction between fatigue, environment, and loading conditions. Crack-opening load was measured throughout the test from automated compliance measurements and was used to adjust fatigue crack growth data for crack closure. For ?-21S, fatigue crack growth rates were similar at 175 and 25°C at a stress ratio of 0.1, while crack growth rates were lower at 175 versus 25°C at a stress ratio of 0.5 for the same nominal ?K. Concepts associated with crack closure accounted for this as crack growth rates were found to be higher at 175°C than 25°C for both stress ratios when plotted as a function of ?Keff, showing a temperature dependency on crack growth rate. For Ti-62222, fatigue crack growth rates were comparable between 25 and 175°C for R = 0.5, but were different at R = 0.1 where crack closure was observed at 175°C. Fatigue crack growth behavior of these two titanium alloys was comparable for all loading and temperature conditions.
Author :
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (317 download)
Download or read book Accelerated Near-Threshold Fatigue Crack Growth Behavior of an Aluminum Powder Metallurgy Alloy written by and published by . This book was released on 2002 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shahab Hasan
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (162 download)
Download or read book Fatigue Crack Growth in 2024-T4 Aluminum Alloy at Elevated Temperature written by Shahab Hasan and published by . This book was released on 1975 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
