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The Effects Of Electrochemical Variables On The Kinetics Of Stress Corrosion Cracking In Aisi 4340 Steel
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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 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 American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1982 with total page 564 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-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 Electrochemical Conditions at the Tip of an Advancing Stress Corrosion Crack in Aisi 4340 Steel by : J. A. SMITH
Download or read book Electrochemical Conditions at the Tip of an Advancing Stress Corrosion Crack in Aisi 4340 Steel written by J. A. SMITH and published by . This book was released on 1970 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Dissertation Index by :
Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1984 with total page 890 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental and Metallurgical Factors of Stress-corrosion Cracking in High-strength Steels by : C. J. Slunder
Download or read book Environmental and Metallurgical Factors of Stress-corrosion Cracking in High-strength Steels written by C. J. Slunder and published by . This book was released on 1961 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemistry and Electrochemistry of Corrosion and Stress Corrosion Cracking by : Russell H. Jones
Download or read book Chemistry and Electrochemistry of Corrosion and Stress Corrosion Cracking written by Russell H. Jones and published by Society for Mining Metallurgy & Exploration. This book was released on 2001 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of papers from the 2001 TMS Annual Meeting held in New Orleans includes papers from the symposium on the chemistry and electrochemistry of corrosion and stress corrosion cracking. It covers topics such as chemistry differences between crack initiation and propagation.
Book Synopsis Effects of Electrochemical Potential on the Slow Strain Rate Fracture of 4340 Steel in a Combustion Product Residue by : RD. Daniels
Download or read book Effects of Electrochemical Potential on the Slow Strain Rate Fracture of 4340 Steel in a Combustion Product Residue written by RD. Daniels and published by . This book was released on 1990 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Steel breech chambers in cartridge-ignition aircraft engine starters have failed in service by fracture of the chamber dome during firing. The interior surface of the dome is subject to corrosion because of accumulation of combustion products and moisture behind heat shields in the chamber. The residue collected from behind the heat shields of 25 used but still serviceable breech chambers was employed as an environment for slow strain rate tension tests of 4340 steel heat treated to the strength of the chamber. The residue contained ammonium chloride, potassium chloride, and the oxides of iron as major components. The slow strain rate tests were carried out at controlled electrochemical potentials both anodic and cathodic to the corrosion potential of -550 mV SCE (saturated calomel electrode). The tests demonstrated that the corrosion potential is at the edge of the stress-corrosion cracking potential range for the steel in this environment. Thus, stress-corrosion cracking appears to be a factor in service failures of the chambers.
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 Stress Corrosion Cracking Mechanisms in Martensitic High Strength Steels by : W. D. Benjamin
Download or read book Stress Corrosion Cracking Mechanisms in Martensitic High Strength Steels written by W. D. Benjamin and published by . This book was released on 1967 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Delayed failures of martensitic high-strength steels in aqueous environments were studied to determine the effect of environmental and metallurgical variables on the mechanisms of stress corrosion. The effects of chloride content, specimen geometry, and polarization potential on the delayed failure of AISI 4340 (235 and 207 Ksi strength level) and HP 9-4-45 (242 Ksi strength level) steels were evaluated. Incubation time for slow crack growth and crack growth rates were measured at various combinations of applied stress and environment using change of resistance and compliance measurements on precracked center-notch tensile and cantilever loaded notch bend specimens. (Author).
Book Synopsis Surface Residual Stress Effects on Stress Corrosion Cracking/hydrogen Embrittlement Behavior of AISI 4340 Steel by : Richard Alan Hays
Download or read book Surface Residual Stress Effects on Stress Corrosion Cracking/hydrogen Embrittlement Behavior of AISI 4340 Steel written by Richard Alan Hays and published by . This book was released on 1988 with total page 178 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 1984 with total page 1278 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 The Effect of Some Electrolytes on the Stress Corrosion Cracking of AISI 4340 Steel by : H. R. BAKER
Download or read book The Effect of Some Electrolytes on the Stress Corrosion Cracking of AISI 4340 Steel written by H. R. BAKER and published by . This book was released on with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress Corrosion Cracking of a High Strength Steel by : AA. Sheinker
Download or read book Stress Corrosion Cracking of a High Strength Steel written by AA. Sheinker and published by . This book was released on 1972 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stress corrosion crack growth rates (dA/dT) as a function of stress intensity factor (K) were determined over a wide range of electrode potentials for AISI 4340 steel (200-ksi yield strength level) in deaerated 3.5 percent sodium chloride solution buffered to pH 3.8. Particular emphasis was placed on conducting the stress corrosion tests under well defined electrochemical and mechanical conditions. At intermediate K levels, dA/dT was essentially independent of K, suggesting that crack growth is limited by mass transport. Crack growth is apparently dominated by localized mechanical rupturing at high K levels where dA/dT increased rapidly with increasing K. Except at a very cathodic potential, dA/dT at intermediate K levels was also independent of potential, implying that the electrochemical conditions at the tip of the stress corrosion crack are not the same as those outside the crack. The tendency for the stress corrosion cracks to branch was found to be electrochemically, as well as mechanically, controlled.
