Journal ArticleDOI
Stress Corrosion Cracking Behavior of Maraging Steel Composites
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TLDR
In this paper, the authors demonstrate that it is possible to retard stress corrosion crack propagation significantly in both base plate and weld structures by the use of a composite approach, by successively depositing weld layers of these two materials.Abstract:
Laminated plate composites were prepared by hot roll bonding together plates of 18Ni(280) maraging steel and sheets of Armco iron. Composite welds of the same geometry were also prepared by successively depositing weld layers of these two materials. Plane strain stress corrosion tests of these two types of composites in aerated 3.5% NaCl solutions showed that stress corrosion crack propagation was stopped at stress intensities well above the KISCC values of the corresponding homogeneous maraging steel base plate and maraging steel weld metal. The results demonstrate that it is possible to retard stress corrosion crack propagation significantly in both base plate and weld structures by the use of a composite approach.read more
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Bibliography of information on mechanics of structural failure (hydrogen embrittlement, protective coatings, composite materials, NDE)
TL;DR: In this paper, the authors present a bibliography consisting of approximately 1,600 reference citations related to four problem areas in the mechanics of failure in aerospace structures: hydrogen embrittlement, protective coatings, composite materials, and non-destructive evaluation.
Journal ArticleDOI
Tewksbury lecture: Control and application of environment-sensitive fracture processes
TL;DR: In this article, the possibility of influencing the effects of chemically active environments on fracture processes in some controlled and predictable manner, such that their potentially detrimental effects on mechanical reliability are minimized, and their ability to facilitate fracture is utilized when this is desirable, as in materials removal processes.
Journal ArticleDOI
Fracture mechanisms in maraging steel-iron laminates
TL;DR: Fracture in notched beams of maraging steel-Armco iron laminated composites loaded in three-point bending took place in three stages as discussed by the authors, with the first stage consisting of a crack propagating from the root of the notch and extending to a certain depth within the first layer of steel, followed by a delamination by intergranular cracking within the middle layer of iron ahead of the stage I crack.
Bibliography of information on mechanics of structural failure
TL;DR: A bibliography of approximately 1500 reference citations related to six problem areas in the mechanics of failure in aerospace structures is presented in this paper, which represents a search of the literature published in the ten year period 1962-1972 and is largely limited to documents published in United States.
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