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An Investigation Of Variables Affecting The Stress Corrosion Cracking Rate Of Aisi 4340 Steel In Nacl Solutions
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Book Synopsis An Investigation of Variables Affecting the Stress Corrosion Cracking Rate of AISI 4340 Steel in NaCl Solutions by : Kenneth Charles Johnson
Download or read book An Investigation of Variables Affecting the Stress Corrosion Cracking Rate of AISI 4340 Steel in NaCl Solutions written by Kenneth Charles Johnson and published by . This book was released on 1967 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Abstracts of Masters' Theses by : Ohio State University. Graduate School
Download or read book Abstracts of Masters' Theses written by Ohio State University. Graduate School and published by . This book was released on with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of Experimental Variables on the Measurement of Stress Corrosion Cracking Properties of High-Strength Steels by : TW. Crooker
Download or read book Influence of Experimental Variables on the Measurement of Stress Corrosion Cracking Properties of High-Strength Steels written by TW. Crooker and published by . This book was released on 1990 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic investigation was undertaken to examine the influence of experimental variables on the measurement of stress corrosion cracking (SCC) properties of two high-strength steels using fracture mechanics test procedures. The properties of interest were the SCC threshold stress-intensity (KISCC) and time-based crack growth rate (da/dt). Two quench-and-tempered alloy steels in the form of rolled plate material were tested. The steel had yield strengths of 965 MPa (140 ksi) and 1207 MPa (175 ksi). The primary experimental variables investigated included: (1) specimen type (bolt-loaded wedge-opening loaded (WOL) and cantilever beam); (2) bulk solution chemistry (3.5% NaCl in distilled water and natural seawater); (3) dissolved oxygen content of the bulk solution; (4) electrode potential (open circuit and -1.0 V versus Ag/AgCl); (5) method of applying cathodic protection (potentiostat and zinc couple; (6) precracking stress-intensity level; (7) initial applied stress-intensity level; and (8) test duration. The effects of these experimental variables on KISCC and da/dt measurement are reported and the implications of these findings on test method development are discussed.
Book Synopsis Effect of Rare Earth Additions on Stress Corrosion Cracking of 4340 Steel by : A. A. Sheinker
Download or read book Effect of Rare Earth Additions on Stress Corrosion Cracking of 4340 Steel written by A. A. Sheinker and published by . This book was released on 1978 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The addition of rare earth elements was investigated as a method of improving the stress corrosion cracking resistance of high strength steels. The addition of cerium at levels of 0.20 and 0.30 weight percent had only a small effect on the stress corrosion cracking resistance of AISI 4340 steel heat treated to a yield strength of approximately 215 ksi (1480 MPa). The stress corrosion cracking threshold (K(Iscc)) in 3.5 percent sodium chloride solution at room temperature was about the same for the two cerium-bearing steels as it was for 4340 steel without cerium, ranging from 15 to 17 ksi sq. root in. The higher cerium (0.30%) material had longer failure times and lower average crack growth rates than the lower cerium (0.20%) material. The failure times and average crack growth rates for the steel without cerium could not be directly compared with those for the two cerium-bearing steels because of crack branching, which occurred only in the material without cerium. However, it was estimated that, in the absence of branching, the failure times for the non-cerium steel would be shorter and the average crack growth rates higher than those for the lower cerium steel. The cerium additions had no effect on the fractographic morphology of stress corrosion cracking, which was intergranular at low stress intensity levels, with an increasing proportion of dimpled rupture as the stress intensity level increased.
Book Synopsis Stress Corrosion-New Approaches by : H. L. Craig
Download or read book Stress Corrosion-New Approaches written by H. L. Craig and published by ASTM International. This book was released on 1976 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Electrochemical Variables on the Kinetics of Stress Corrosion Cracking in AISI 4340 Steel by : Abraham Alvin Scheinker
Download or read book The Effects of Electrochemical Variables on the Kinetics of Stress Corrosion Cracking in AISI 4340 Steel written by Abraham Alvin Scheinker and published by . This book was released on 1972 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Prior-austenite Grain-size on the Stress-corrosion Cracking Susceptibility of A.i.s.i. 4340 Steel by : R. P. M. Procter
Download or read book The Effect of Prior-austenite Grain-size on the Stress-corrosion Cracking Susceptibility of A.i.s.i. 4340 Steel written by R. P. M. Procter and published by . This book was released on 1969 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using both conventional heat-treatments and repeated rapid austenitising and quenching heat-treatments, a series of AISI 4340 steels with prior-austenite grain-sizes covering the range ASTM 7-12 were developed. The stress-corrosion cracking susceptibility of the steels in a 3.5% aqueous solution of NaCl was investigated using fatigue-precracked, plane-strain cantilever-beam specimens. The results of an electron fractographic investigation of the stress-corrosion fracture surfaces are described; the experimental results are interpreted in terms of a hydrogen-embrittlement mechanism of slow crack growth. (Author).
Book Synopsis Stress Corrosion Cracking Of Metals-A State of the Art by : H. Lee Craig
Download or read book Stress Corrosion Cracking Of Metals-A State of the Art written by H. Lee Craig and published by ASTM International. This book was released on 1972 with total page 174 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 1985-07 with total page 1454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fatigue and Corrosion-Fatigue Crack Growth of 4340 Steel at Various Yield Strengths by : E. J. Imhof
Download or read book Fatigue and Corrosion-Fatigue Crack Growth of 4340 Steel at Various Yield Strengths written by E. J. Imhof and published by . This book was released on 1973 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The useful life of steel structures that contain crack-like defects and that are subjected to cyclic loads in an aggressive environment is determined primarily by the time required for the defects to grow from subcritical dimensions to the critical size at which unstable fracture occurs. For these structures, subcritical crack growth is caused either by fatigue or by corrosion fatigue. Thus, as part of a long-range program to establish the necessary relations for predicting the corrosion-fatigue behavior of structural steels, the stress-corrosion-cracking susceptibility and the corrosion fatigue-crack-growth rates at 6 cpm of 4340 Steel heat-treated to yield strengths of 130, 180, and 220 ksi (896, 1241, and 1571 MN/m2) were investigated in a 3 percent solution of sodium chloride. The results were analyzed by using linear-elastic fracture mechanics methods and were compared with fatigue-crack-propagation data obtained in a room-temperature air environment. The results showed that the threshold stress-intensity factor below which crack growth does not occur in statiscally loaded specimens decreased with increased yield strength. The fatigue-crack-growth rates per cycle in the steels investigated in an air environment and below KIscc in the room-temperature solution of sodium chloride can be represented by the equation dadN=D(t)(?KI)n where n was equal to 2.7. The function D(t), which is a measure of the corrosion-fatigue susceptibility of the material, increased with increased yield strength. Fatigue-crack-growth rates below KIscc were accelerated by a factor of 2 when the 130-ksi yield-strength material was tested at 6 cpm in the sodium chloride solution. Under identical test conditions, the corrosion fatigue-crack-growth rates in the 180-ksi yield-strength material were five to six times higher than the fatigue crack-growth rates in air environment. Corrosion-fatigue crack-growth data below KIscc were not obtained for the 220-ksi yield-strength material because of the high susceptibility of this material to the test environment (KIscc=10.5ksiin., or 11.5 MN/m3/2).
Author :National Association of Corrosion Engineers. TPC Committee T-3E on Stress Corrosion Cracking of Metallic Materials Publisher :Philadelphia : ASTM ISBN 13 : Total Pages :460 pages Book Rating :4.F/5 ( download)
Book Synopsis Stress Corrosion Cracking--the Slow Strain-rate Technique by : National Association of Corrosion Engineers. TPC Committee T-3E on Stress Corrosion Cracking of Metallic Materials
Download or read book Stress Corrosion Cracking--the Slow Strain-rate Technique written by National Association of Corrosion Engineers. TPC Committee T-3E on Stress Corrosion Cracking of Metallic Materials and published by Philadelphia : ASTM. This book was released on 1979 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanisms of Environment Induced Subcritical Flaw Growth in AISI 4340 Steel by : William Alan Van der Sluys
Download or read book Mechanisms of Environment Induced Subcritical Flaw Growth in AISI 4340 Steel written by William Alan Van der Sluys and published by . This book was released on 1966 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experiment designed to study the effect of several variables on the subcritical crack growth rate of a high-strength steel in a water environment was conducted. Double cantilever beam specimens of an AISI 4340 steel were employed to study crack extension rates. The environmental variables included temperature, pH of the liquid environment, electric charging and the combined effect of pH and electric charging. (Author).
Book Synopsis Corrosion Tests and Standards by : Robert Baboian
Download or read book Corrosion Tests and Standards written by Robert Baboian and published by ASTM International. This book was released on 2005 with total page 887 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress-corrosion Cracking and Hydrogen-stress Cracking of High-strength Steel by : Ellis E. Fletcher
Download or read book Stress-corrosion Cracking and Hydrogen-stress Cracking of High-strength Steel written by Ellis E. Fletcher and published by . This book was released on 1966 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-strength steels are susceptible to delayed cracking under suitable conditions. Frequently such a brittle failure occurs at a stress that is only a fraction of the nominal yield strength. Considerable controversy exists over whether such failures result from two separate and distinct phenomena or whether there is but one mechanism called by two different names. Stress-corrosion cracking is the process in which a crack propagates, at least partially, by the stress induced corrosion of a susceptible metal at the advancing tip of the stress-corrosion crack. There is considerable evidence that this cracking results from the electrtrochemical corrosion of a metal subjected to tensile stresses, either residual or externally applied. Hydrogen-stress cracking is cracking which occurs as the result of hydrogen in the metal lattice in combination with tensile stresses. Hydrogen-stress cracking cannot occur if hydrogen is prevented from entering the steel, or if hydrogen that has entered during processing or service is removed before permanent damage has occurred. It is generally agreed that corrosion plays no part in the actual fracture mechanism. This report was prepared to point out wherein the two fracture mechanisms under consideration are similar and wherein they differ. From the evidence available today, the present authors have concluded that there are two distinct mechansims of delayed failure. (Author).
Book Synopsis Stress Corrosion Cracking by : V S Raja
Download or read book Stress Corrosion Cracking written by V S Raja and published by Elsevier. This book was released on 2011-09-22 with total page 817 pages. Available in PDF, EPUB and Kindle. Book excerpt: The problem of stress corrosion cracking (SCC), which causes sudden failure of metals and other materials subjected to stress in corrosive environment(s), has a significant impact on a number of sectors including the oil and gas industries and nuclear power production. Stress corrosion cracking reviews the fundamentals of the phenomenon as well as examining stress corrosion behaviour in specific materials and particular industries. The book is divided into four parts. Part one covers the mechanisms of SCC and hydrogen embrittlement, while the focus of part two is on methods of testing for SCC in metals. Chapters in part three each review the phenomenon with reference to a specific material, with a variety of metals, alloys and composites discussed, including steels, titanium alloys and polymer composites. In part four, the effect of SCC in various industries is examined, with chapters covering subjects such as aerospace engineering, nuclear reactors, utilities and pipelines. With its distinguished editors and international team of contributors, Stress corrosion cracking is an essential reference for engineers and designers working with metals, alloys and polymers, and will be an invaluable tool for any industries in which metallic components are exposed to tension, corrosive environments at ambient and high temperatures. Examines the mechanisms of stress corrosion cracking (SCC) presenting recognising testing methods and materials resistant to SCC Assesses the effect of SCC on particular metals featuring steel, stainless steel, nickel-based alloys, magnesium alloys, copper-based alloys and welds in steels Reviews the monitoring and management of SCC and the affect of SCC in different industries such as petrochemical and aerospace
Book Synopsis Slow Strain Rate Testing for the Evaluation of Environmentally Induced Cracking by : R. D. Kane
Download or read book Slow Strain Rate Testing for the Evaluation of Environmentally Induced Cracking written by R. D. Kane and published by ASTM International. This book was released on 1993 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to predict when and how a material will crack under environmental conditions, engineers used to subject it to pressure for a long time, up to a year in cases; about 20 years ago, a testing method was developed that slowly but inexorably increases the pressure, which seems to cut down the ti
