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Fractography

About: Fractography is a research topic. Over the lifetime, 5043 publications have been published within this topic receiving 86068 citations.


Papers
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Journal ArticleDOI
TL;DR: In this paper, a study to explore approaches to optimize nanocomposited ferritic alloys was carried out on dispersion strengthened mechanically alloyed (MA) MA957, in the form of extruded bar stock.

73 citations

Journal ArticleDOI
TL;DR: In this article, a series of advanced oxidation-resistant FeCrAl alloys with aluminum, niobium, and titanium carbide additions were investigated and compared before and after controlled laser-beam welding.

73 citations

Journal ArticleDOI
TL;DR: In this article, a high-strength aluminium alloy, cut parallel to the short transverse direction, has been tested in tension at slow strain-rates in the T651 condition using various environments: vacuum, dry air, laboratory air and sea water, with and without prior exposure to sea-water.

73 citations

Journal ArticleDOI
TL;DR: In this article, the spatial orientation of the facet plane was determined in a scanning electron microscope (SEM) using a quantitative tilt fractography technique, which was used for the characterization of dwell-fatigue fracture facets at the crack-initiation site in Ti-6242 alloy.
Abstract: A technique to determine the crystallographic orientation of the fracture facets has been described. The spatial orientation of the facet plane is determined in a scanning electron microscope (SEM) using a quantitative tilt fractography technique. The crystallographic orientation of the grain, across which a particular fracture facet had been produced, is determined using the electron backscattered diffraction (EBSD) technique in an SEM. These two pieces of information were combined to obtain the crystallographic orientation of the fracture facet normal. This technique was used for the characterization of dwell-fatigue fracture facets at the crack-initiation site in Ti-6242 alloy. Our results indicate that these facets are not exactly aligned with the basal plane, but are inclined at ∼10° to it.

73 citations

Journal ArticleDOI
TL;DR: In this article, the plastic deformation and fracture behavior of Fe-Mn-Al-C cast Hadfield steels were studied using the tensile test and it was observed that Al addition increases the yield strength but decreases the ultimate tensile strength and the elongation.
Abstract: The plastic deformation and fracture behavior of Fe–Mn–Al–C cast Hadfield steels were studied. According to the Al, Mn and carbon contents, five different compositions of Hadfield steels were selected in order to study the orange-peel phenomenon, plastic deformation and fracture modes of the alloys using the tensile test. It is observed that Al addition increases the yield strength but decreases the ultimate tensile strength and the elongation. In addition, Al addition decreases or disappears the peeling of the surface and suppresses the twinning induced by plastic deformation. The fractographies of tensile specimens show that in the fractured surfaces of standard and 1.5% Al Hadfield steels, there are many secondary micro- or nano-dimples between the primary large dimples and shear rupture do not involve. But, the cleavage fractures with intergranular cracks appeared when more Al is added.

73 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023120
2022254
2021229
2020206
2019205
2018176