Stress-corrosion cracking and hydrogen-stress cracking of high-strength steel

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086 0 ⊔ ‡aD 301.45/47-2:232
100 1 ⊔ ‡aFletcher, E. E. ‡q(Ellis E.) ‡eauthor.
245 1 0 ‡aStress-corrosion cracking and hydrogen-stress cracking of high-strength steel / ‡cby E. E. Fletcher, W. E. Berry, and A. R. Elsea to Office of the Director of Defense Research and Engineering.
264 ⊔ 1 ‡aColumbus, Ohio : ‡bDefense Metals Information Center, Battelle Memorial Institute, ‡c1966.
300 ⊔ ⊔ ‡a20 pages : ‡billustrations ; ‡c28 cm.
336 ⊔ ⊔ ‡atext ‡btxt ‡2rdacontent
337 ⊔ ⊔ ‡aunmediated ‡bn ‡2rdamedia
338 ⊔ ⊔ ‡avolume ‡bnc ‡2rdacarrier
490 0 ⊔ ‡aDMIC report 232
500 ⊔ ⊔ ‡aResearch supported by the Technology Division, Wright-Patterson Air Force Base, Ohio.
500 ⊔ ⊔ ‡a"July 29, 1966."
504 ⊔ ⊔ ‡aIncludes bibliographical references (pages 19-20).
520 ⊔ ⊔ ‡aHigh-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).
538 ⊔ ⊔ ‡aMode of access: Internet.
650 ⊔ 0 ‡aMetals ‡xFracture.
650 ⊔ 0 ‡aSteel, High strength.
650 ⊔ 0 ‡aStress corrosion.
700 1 ⊔ ‡aElsea, A. R., ‡eauthor.
700 1 ⊔ ‡aBerry, Warren E., ‡d1922- ‡eauthor.
710 2 ⊔ ‡aDefense Metals Information Center (U.S.) ‡eissuing body.
730 0 ⊔ ‡aTechnical Report Archive & Image Library (TRAIL)
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