1995
DOI: 10.1002/maco.19950460204
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Der Einfluß martensitischer Gefügeausbildung in CrNi‐Stählen auf das Lochfraßverhalten

Abstract: Das Anliegen der Studie war es, zu ermitteln, in welcher Weise martensitische Gefüge, die in austenitischen Cr‐Ni‐Stählen durch gezielte Kryoumformung bei 77 K gebildet wurden, eine Auswirkung auf das Lochfraßverhalten haben. Die Untersuchungen wurden an einer Legierungsreihe mit Basisgehalten von 17% Chrom und abgestuften Ni‐Gehalten von 8–20% durchgeführt. Die Charakterisierung der Gefüge mittels röntgenographischer, magnetischer, metallographischer, mechanischer und chronopotentiostatischer Untersuchungen f… Show more

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“…The volume percent of the phases have a great effect on the mechanical (strength, strain) and other behaviours for example corrosion [1]. With the control of volume fraction of martensites a favourable big strain can be obtained even at low deformation temperature which is called transformation induced plasticity (TRIP) effect.…”
Section: Introductionmentioning
confidence: 99%
“…The volume percent of the phases have a great effect on the mechanical (strength, strain) and other behaviours for example corrosion [1]. With the control of volume fraction of martensites a favourable big strain can be obtained even at low deformation temperature which is called transformation induced plasticity (TRIP) effect.…”
Section: Introductionmentioning
confidence: 99%
“…It is a well known fact that -due to the thermomechanical treatments -different phase transformations take place in the austenitic stainless steels and these transformation change the properties such as the mechanical ones (tensile strength, yield stress, elongation), the corrosion, and the material structure in a wide range [1]. It is a general fact, that by decreasing of deforming temperature the amount of alpha' martensite increases, the amount of austenite decreases while the epsilon martensite has a maximum curve due to γ→ε , ε→α' , γ→α' , γ→ε→α' transformations [2].…”
Section: Introductionmentioning
confidence: 99%
“…The thickness of the e lath is 300 nm or less. [1] Between M s and M d temperatures the formation of martensite can be induced by elastic and/or plastic deformation. Within this temperature intervals the driving force for the reaction consists of 1) the free energy difference between the martensitic and austenitic states and 2) the externally applied stress.…”
Section: Introductionmentioning
confidence: 99%