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Mechanisms Of Fatigue Crack Growth In Aluminum Alloys Reinforced With Silicon Carbide Particulates
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Book Synopsis Mechanisms of Fatigue Crack Growth in Aluminum Alloys Reinforced with Silicon Carbide Particulates by : Yuki Sugimura
Download or read book Mechanisms of Fatigue Crack Growth in Aluminum Alloys Reinforced with Silicon Carbide Particulates written by Yuki Sugimura and published by . This book was released on 1991 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanisms of Fatigue Crack Growth in Particulate and Whisker Reinforced Aluminum Alloys by : James Joseph Mason
Download or read book Mechanisms of Fatigue Crack Growth in Particulate and Whisker Reinforced Aluminum Alloys written by James Joseph Mason and published by . This book was released on 1988 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Investigation of Fatigue Crack Growth Behavior in Cast Particulate Reinforced Aluminum Alloys by : Anthony George Keslinke
Download or read book An Investigation of Fatigue Crack Growth Behavior in Cast Particulate Reinforced Aluminum Alloys written by Anthony George Keslinke and published by . This book was released on 1990 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fatigue Crack Growth Mechanisms in Al-sic Particulate Metal Matrix Composites by : O. Botstein
Download or read book Fatigue Crack Growth Mechanisms in Al-sic Particulate Metal Matrix Composites written by O. Botstein and published by . This book was released on 1990 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elsevier Sequoia : The Netherlands.
Book Synopsis Fatigue Crack Growth Rate and Fracture of Silicon Carbide Particulate Reinforced 6092 Aluminum Alloy Composites by : Cory Alan Smith
Download or read book Fatigue Crack Growth Rate and Fracture of Silicon Carbide Particulate Reinforced 6092 Aluminum Alloy Composites written by Cory Alan Smith and published by . This book was released on 1996 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 36 (thesis year 1991) a total of 11,024 thesis titles from 23 Canadian and 161 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 36 reports theses submitted in 1991, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Book Synopsis Fatigue Crack Initiation and Microcrack Growth in Silicon Carbide Whisker Reinforced 2124 Aluminum Alloy by : David Robert Williams
Download or read book Fatigue Crack Initiation and Microcrack Growth in Silicon Carbide Whisker Reinforced 2124 Aluminum Alloy written by David Robert Williams and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanisms of Corrosion Fatigue Crack Growth in High Strength Aluminum Alloys by : Jacques P. Robert
Download or read book Mechanisms of Corrosion Fatigue Crack Growth in High Strength Aluminum Alloys written by Jacques P. Robert and published by . This book was released on 1981 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanisms of Fatigue Crack Propagation in Aluminum Alloys by : K. Erhardt
Download or read book Mechanisms of Fatigue Crack Propagation in Aluminum Alloys written by K. Erhardt and published by . This book was released on 1971 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mechanisms of crack initiation and propagation in fatigue and of crack propagation under a monotonic load were studied in high strength aluminum alloys. Part I is a detailed report on the use of scanning electron microscopy in fatigue crack propagation research. The results are discussed with reference to the theories of fatigue crack propagation. Part II is a documentation of crack initiation and stage I fatigue fracture in aluminum alloys. The existence of non-propagating cracks in aluminum alloys is discussed by comparing the endurance limit and the stress intensity threshold for non-propagating fatigue cracks. Part III REPORTS THE INFLUENCE OF TEMPERATURE AND CYCLIC RATE ON CRACK GROWTH IN 2024 T3 aluminum alloy. Part IV deals with the role of the cold work of the plastic zone at the tip of a crack on the mechanisms of fatigue crack growth rate. Part V is a study of the correlation between the fracture toughnews index K and the tensile properties. This work was undertaken to understand the dependance of the critical stress intensity factor on aging, the workhardening exponent, and plane strain ductility. (Author).
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fatigue Crack Propagation in Laminated Aluminum Composites by : Paul Bradley Hoffman
Download or read book Fatigue Crack Propagation in Laminated Aluminum Composites written by Paul Bradley Hoffman and published by . This book was released on 1994 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The use of novel processing procedures for improving overall fatigue resistance of high strength aluminum alloys by : E. A. Starke
Download or read book The use of novel processing procedures for improving overall fatigue resistance of high strength aluminum alloys written by E. A. Starke and published by . This book was released on 1984 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Its objective is to develop an understanding of the mechanisms involved in the initiation and propagation of fatigue cracks in metals in order to optimize the microstructure of high strength aluminum alloys for overall fatigue resistance. The research conducted during this year was divided into three tasks. Task I was concerned with the effects of slip character and grain size on the intrinsic material and extrinsic closure contributions to fatigue crack growth resistance of 7475. Special thermal mechanical processing procedures were developed to control the microstructural features of interest. Task II was concerned with the use of the cyclic stress strain curve and a damage model for predicting fatigue crack growth thresholds. Fatigue crack initiation and fatigue crack propagation both involve the concept of cyclic accumulated damage. The details of the damage structure can be related to a material's cyclic stress strain response (CSSR). Task III is concerned with the effect of ion implantation on the low cycle fatigue response of 7475. Since fatigue crack initiation is a surface phenomenon and fatigue crack propagation is a bulk phenomenon, the fatigue properties may be optimized by production processes that develop microstructures resistant to FCI on the surface, and microstructures resistant to FCP throughout the bulk.
Book Synopsis The Influence of Prestraining on the Fatigue Crack Growth Properties of a SiC Particulate Reinforced Al-alloy by : Filip Legein
Download or read book The Influence of Prestraining on the Fatigue Crack Growth Properties of a SiC Particulate Reinforced Al-alloy written by Filip Legein and published by . This book was released on 1990 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanisms of gaseous environmental embrittlement during fatigue crack growth in aluminum alloys by : Anna K. Debogorska Zurek
Download or read book Mechanisms of gaseous environmental embrittlement during fatigue crack growth in aluminum alloys written by Anna K. Debogorska Zurek and published by . This book was released on 1981 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fatigue Crack Growth Processes in SiC Particulate Reinforced Commercial Al-Li Alloy, AA8090 by : Ian Sinclair
Download or read book Fatigue Crack Growth Processes in SiC Particulate Reinforced Commercial Al-Li Alloy, AA8090 written by Ian Sinclair and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Metals Abstracts written by and published by . This book was released on 1998 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization of Exposure Dependent Fatigue Crack Growth Kinetics and Damage Mechanisms for Aluminum Alloys by : YunJo Ro
Download or read book Characterization of Exposure Dependent Fatigue Crack Growth Kinetics and Damage Mechanisms for Aluminum Alloys written by YunJo Ro and published by . This book was released on 2008 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effect of environmental exposure [given by the ratio of water vapor pressure to the loading frequency (PH2O/f)] on fatigue crack growth rates (FCGR) and damage mechanisms has been investigated for Al-Cu-Li/Mg alloys tested at constant stress intensity range (DeltaK = KMAX -- KMIN). Different exposure dependences of the FCGR are explained by H-embrittlement and 3 rate-limiting processes that are similar for each alloy and aging condition. It is shown that the dislocation slip character (heterogeneous planar vs. wavy) controls FCGR at low to moderate exposures, rather than alloy composition and strengthening precipitate reactivity. However, the benefit of planar slip is significantly reduced at higher exposures. An SEM-based electron backscattered diffraction (EBSD)/stereology method was used to successfully quantify changes in fatigue fracture surface crystallography as a function of exposure for a peak aged Al-Cu-Li alloy and an under-aged Al-Cu-Mg alloy. Near-{111} slip band cracking (SBC) observed under high vacuum conditions is gradually replaced by near-{001}/{011} and high index, {hkl}, cracking planes as PH2O/f is increased. The complete absence of near-{111} SBC at higher exposures suggests H enhanced decohesion rather than slip based damage process enhanced by H. This conclusion was substantiated by direct TEM observation. Focused Ion Beam (FIB) milling was used to produce thin foils for TEM, which successfully revealed the underlying dislocation structure at the crack surface and within surrounding materials in under-aged Al-Cu-Mg tested at exposure conditions of ∼10 -8 and 50 Pa·sec. Both conditions exhibit a similar layer of dislocation cells just below the fracture surface which abruptly changes to localized slip bands away from the fracture surface, confirming the presence of a strain gradient at the crack tip. However, the thickness of the substructure layer and slip band width observed at ∼10-8 Pa·sec was larger than those observed at 50 Pa·sec. This infers that less plastic strain accumulation is necessary to produce a fatigue crack extension at high exposures. The dislocation substructure observations also clarify the interpretation of facet crystallography. For instance, the high-index {hkl} crack surface planes produced at higher exposures may be caused by H-enhanced inter/intra-cell structure cracking, based on the observation that the low index crack surface deviates with cell formation just underneath of crack surface. In conclusion, near-{001}/{011) and {hkl} crack surfaces, and lowered plastic strain accumulation in the moist environment imply that fatigue crack growth rates are enhanced by multiple manifestations of H-enhanced decohesion.
