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Influence Of Notch Severity On Impact Toughness And Fracture Behavior Of Three Aluminum Alloys
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Book Synopsis Influence of Notch Severity on Impact Toughness and Fracture Behavior of Three Aluminum Alloys by : Bret A. Hrivnak
Download or read book Influence of Notch Severity on Impact Toughness and Fracture Behavior of Three Aluminum Alloys written by Bret A. Hrivnak and published by . This book was released on 2001 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fracture Resistance of Aluminum Alloys by : John Gilbert Kaufman
Download or read book Fracture Resistance of Aluminum Alloys written by John Gilbert Kaufman and published by ASM International. This book was released on 2001-01-01 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation Kaufman prevents this summary of data on the fracture characteristics of aluminum alloys, broadly based on a publication by Alcoa in 1964, Fracture Characteristics of Aluminum Alloys. Coverage includes tensile properties as indicators of fracture behavior; notched-bar impact and related tests for toughness; notch toughness and sensitivity; tear resistance; fracture toughness; the interrelation of fracture characteristics; toughness at subzero and elevated temperatures; subcritical crack growth; and metallurgical considerations in fracture resistance. Most of the data is presented in only the English/engineering units, contrary to normal ASM International and Aluminum Association, Inc. policies. The author's credentials are not stated. c. Book News Inc
Book Synopsis The Effects of Slip Character and Crack Closure on the Growth of Small Fatigue Cracks in Titanium-aluminium Alloys by : James M. Larsen
Download or read book The Effects of Slip Character and Crack Closure on the Growth of Small Fatigue Cracks in Titanium-aluminium Alloys written by James M. Larsen and published by . This book was released on 1990 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was performed to study the effects of slip character and crack closure on the propagation of small fatigue cracks in titanium- aluminum alloys. The materials examined were solution-treated Ti-4Al and Ti-8Al, as well as aged Ti-8Al. The propagation of naturally initiated surface cracks of depths as small as 25 micrometers was compared with the behavior of large through-thickness cracks. An extensometer was used to monitor crack closure throughout the large crack tests, and the closure behavior of the small cracks was measured using a computerized laser interferometric displacement gage having a displacement resolution of 0.01 micrometer. The measurements of crack closure were used to compute an effective stress intensity factor range. In all three alloys and for all test conditions, which included a range of stress levels and stress ratios, small cracks propagated faster than large cracks subjected to an equivalent Delta K, and the small cracks propagated under conditions that were significantly below the large-crack threshold, Delta K(th). Although the character and distribution of slip in Ti-Al alloys may have a dramatic influence on fatigue crack initiation and on the propagation of large cracks, this effect was minimal for small cracks.
Book Synopsis Tension Properties of Aluminum Alloys in the Presence of Stress-raisers by : E. L. Aul
Download or read book Tension Properties of Aluminum Alloys in the Presence of Stress-raisers written by E. L. Aul and published by . This book was released on 1949 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of triaxial stress states, produced by circumferential V-type notches, on the fracturing characteristics of 24S-T, 75S-T, and 24S-T86 aluminum alloys were investigated.
Download or read book Fracture Mechanics written by Lucas Alves and published by BoD – Books on Demand. This book was released on 2016-10-19 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of 13 chapters divided into seven sections: Section I: "General Foundations of the Stress Field and Toughness" with one chapter, Section II: "Fractography and Impact Analysis" with two chapters, Section III: "Toughness Fracture" with three chapters, Section IV: "Fracture Behavior" with two chapters, Section V: "Natural and Hydraulic Fractures" with two chapters, section VI: "Fatigue" with one chapter and Section VII: "Fracture Biomaterials and compatible" with two chapters. This book covers a wide range of application of fracture mechanics in materials science, engineering, rock prospecting, dentistry and medicine. The book is aimed towards materials scientists, metallurgists, mechanical and civil engineers, doctors and dentists and can also be well used in education, research and industry.
Book Synopsis Tension Properties of Aluminum Alloys in the Presence of Stress-raisers by : A. W. Dana
Download or read book Tension Properties of Aluminum Alloys in the Presence of Stress-raisers written by A. W. Dana and published by . This book was released on 1949 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of circumferential notches on the fracturing characteristics of 24S-T aluminum-alloy tensile test bars were investigated. Two variations in notch contour, namely, notch radius and notch depth, were studied. In addtion, two different surface conditions. were investigated.
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721290673 Total Pages :38 pages Book Rating :4.2/5 (96 download)
Book Synopsis Influence of Crack-Tip Configurations on the Fracture Response of 0. 04-Inch Thick 2024-T3 Aluminum Alloy Sheet by : National Aeronautics and Space Administration (NASA)
Download or read book Influence of Crack-Tip Configurations on the Fracture Response of 0. 04-Inch Thick 2024-T3 Aluminum Alloy Sheet 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 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of fracture tests were conducted on Middle-crack tension M(T) and compact tension C(T) specimens to determine the effects of specimen type, specimen width, notch tip sharpness and buckling on the fracture behavior of cracked thin sheet (0.04 inch thick) 2024-T3 aluminum alloy material. A series of M(T) specimens were tested with three notch tip configurations: (1) a fatigue pre-cracked notch, (2) a 0.010-inch-diameter wire electrical discharge machined (EDM) notch, and (3) a EDM notch sharpened with a razor blade. The test procedures are discussed and the experimental results for failure stress, load vs. crack extension and the material stress-strain response are reported. Johnston, William M. and Newman, James C. (Technical Monitor) Langley Research Center NASA/CR-2002-211442, NAS 1.26:211442
Book Synopsis Notch Effects in Fatigue and Fracture by : G. Pluvinage
Download or read book Notch Effects in Fatigue and Fracture written by G. Pluvinage and published by Springer Science & Business Media. This book was released on 2001-05-31 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: As Directors of this NATO Workshop, we welcome this opportunity to record formally our thanks to the NATO Scientific Affairs Division for making our meeting possible through generous financial support and encouragement. This meeting has two purposes: the first obvious one because we have collected scientists from East, far East and west to discuss new development in the field of fracture mechanics: the notch fracture mechanics. The second is less obvious but perhaps in longer term more important that is the building of bridges between scientists in the frame of a network called Without Walls Institute on Notch Effects in Fatigue and Fracture". Physical perception of notch effects is not so easy to understand as the presence of a geometrical discontinuity as a worst effect than the simple reduction of cross section. Notch effects in fatigue and fracture is characterised by the following fundamental fact: it is not the maximum local stress or stress which governs the phenomena of fatigue and fracture. The physic shows that a process volume is needed probably to store the necessary energy for starting and propagating the phenomenon. This is a rupture of the traditional "strength of material" school which always give the prior importance of the local maximum stress. This concept of process volume was strongly affirmed during this workshop.
Book Synopsis Effect of Specimen Thickness on Fatigue-crack-growth Behavior and Fracture Toughness of 7075-T6 and 7178-T6 Aluminum Alloys by : Charles Michael Hudson
Download or read book Effect of Specimen Thickness on Fatigue-crack-growth Behavior and Fracture Toughness of 7075-T6 and 7178-T6 Aluminum Alloys written by Charles Michael Hudson and published by . This book was released on 1973 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fracture Characteristics of Several High Strength Aluminum Alloys Using Variable Notch Root Radii by : Joseph H. Mulherin
Download or read book Fracture Characteristics of Several High Strength Aluminum Alloys Using Variable Notch Root Radii written by Joseph H. Mulherin and published by . This book was released on 1964 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: A relationship between the stress concentration factor and the fracture toughness parameter was examined for the case of an elliptical hole in an infinite solid. Edge-notched specimens from three high-strength aluminum alloys were tensile loaded to failure. The resulting data from these tests were analyzed, using this relationship. It was indicated that the predicted proportionality between the fracture toughness parameter and the square root of the notch root radius does exist. Further examination of the relationship showed that the fracture occurs at a fixed state of strain within a plastic zone having a size proportional to the original root radius. A departure, however, from the predicted behavior was evident with the introduction of plane strain components at the notch root. This is also discussed. (Author).
Download or read book Aluminum Transactions written by and published by . This book was released on 2000 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unified Notch-strength Analysis for Wrought Aluminum Alloys by : Paul Kuhn
Download or read book Unified Notch-strength Analysis for Wrought Aluminum Alloys written by Paul Kuhn and published by . This book was released on 1962 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fatigue and Notch Bend Properties of High-strength Aluminum Alloys by : NAVAL ENGINEERING EXPERIMENT STATION ANNAPOLIS MD.
Download or read book Fatigue and Notch Bend Properties of High-strength Aluminum Alloys written by NAVAL ENGINEERING EXPERIMENT STATION ANNAPOLIS MD. and published by . This book was released on 1962 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was made of the mechanical properties of high-strength, structural aluminum alloys produced in heavy sections. Although tensile strengths of the alloys ranged from 40,000 to 75,000 psi, little difference in fatigue and corrosion fatigue properties was found among alloys on the basis of a 10,000,000 cycle life. Tests run to 100,000,000 cycles indicated some superiority for the lower strength alloys of the group. Notch bend tests, with specimens up to 3 in. sq, were conducted with alloys 5456-H321, 6061-T6, and 7079-T6 as a means of evaluating notch behavior and susceptibility to brittle fracture. The results demonstrated a marked decrease in fracture stress under conditions causing brittle fracture in alloy 7079. It is concluded that the notch bend tests, correlated with energy release rate concepts of brittle fracture propagation, offer a better approach to the study of notch behavior in these alloys than the more conventional impact tests. (Author).
Book Synopsis Stress-corrosion Cracking in High Strength Steels and in Titanium and Aluminum Alloys by : Benjamin Floyd Brown
Download or read book Stress-corrosion Cracking in High Strength Steels and in Titanium and Aluminum Alloys written by Benjamin Floyd Brown and published by . This book was released on 1972 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Microstructure and Plane Strain Fracture Toughness of High Strength Aluminum Alloys by : Peter John Guest
Download or read book The Microstructure and Plane Strain Fracture Toughness of High Strength Aluminum Alloys written by Peter John Guest and published by . This book was released on 1967 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of Crack-Tip Configurations on the Fracture Response of 0.04-Inch Thick 2024-T3 Aluminum Alloy Sheet by :
Download or read book Influence of Crack-Tip Configurations on the Fracture Response of 0.04-Inch Thick 2024-T3 Aluminum Alloy Sheet written by and published by . This book was released on 2002 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sharply Notch Cylindrical Tension Specimen for Screening Plane-Strain Fracture Toughness. Part I: Influence of Fundamental Testing Variables on Notch Strength. Part II: Applications in Aluminum Alloy Quality Assurance of Fracture Toughness by : WF. Brown
Download or read book Sharply Notch Cylindrical Tension Specimen for Screening Plane-Strain Fracture Toughness. Part I: Influence of Fundamental Testing Variables on Notch Strength. Part II: Applications in Aluminum Alloy Quality Assurance of Fracture Toughness written by WF. Brown and published by . This book was released on 1976 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper is concerned with the use of the sharply notched cylindrical specimen as an index of plane-strain fracture toughness in quality assurance of aluminum alloy products. Specifically, information is presented that relates to the use of the ASTM Tentative Method for Sharp-Notch Tension Testing with Cylindrical Specimens (E 602-76T) in quality assurance programs. The first part of this paper describes the results of an investigation into the influence of fundamental testing variables on the sharp notch strength of several high-strength aluminum alloys. The results indicate that variations in the notch root radius and eccentricity of loading (expressed in terms of the percent bending in a verification specimen) within the range permitted by the Tentative Method can contribute significantly to the scatter observed in relations between the sharp notch to yield strength ratio (NYR) and KIc. The results also show that the upper limit of KIc beyond which the NYR loses useful sensitivity to further increases in KIc decreases with decreasing specimen size (diameter). It appears that the notch strength of the smaller of the two specimens (1⁄2 and 1116 in. diameter; 13 and 27 mm diameter) specified in the Tentative Method will have rather limited application as an index of KIc for the tougher high-strength aluminum alloys. However, the upper limit of 1.3 presently placed on the NYR appears to be overly conservative for high-strength aluminum alloys.
