The aircraft is now in the teardown inspection and fractography
phase of the test program.
To elucidate the second reason, SEM fractography
of two PIWGF specimens tested at 50[degrees]C was performed on their failure surfaces.
Is it possible to explain the occurrence of brittle fracture in polyethylene with fractography
and chemical analysis?
Topics of the 33 selected papers include the structural and mechanical characterization of hard layers obtained by plasma jet thermal spraying, determining and analyzing the dynamic loaded screws by structural analysis fractography
and numerical simulation, determining some mechanical characteristics by the vibration testing of welded structures with tubular wire, optimizing the electrode processing methodology for the resistance spot welding of aluminum, deconstructing existing railway and highway bridges, and experimental research regarding the tensile properties of some polypropylene-based biocomposites reinforced with hemp shives.
This new capability allows IMR to offer high-quality failure analysis services, including metallurgical failure analysis, fractography
, elemental analysis, and high-resolution photomicrographs.
These early investigations laid the foundations for the methodology, analytical tools and techniques such as fractography
and mechanical testing, which modern forensic investigators rely on.
His background extends to the areas of materials characterization, fractography
, metallography and mechanical testing.
Lloyd, Flake and scratch size ratios in ceramics, in Fractography
of Glasses and Ceramics IV, Ceramic Transactions 122, Varner JR and Quinn GD, eds.
The fatigue cracks observed during the fractography
analysis had the transgranullar character (Fig.
However, the most important advantage of chirp-coded TR-NEWS, which was used previously with another complex medium in the context of NDT , is the fact that the focusing of ultrasound is generated exactly at the position where laser surface velocity measurements are performed, and provides TR-NEWS with an advantage for localization of cracks and also the possibility of applying a surfacic stress, which could be combined to fractography
, and with ESAM-DORT  for their localization and imaging.
Five chapters offer research and review studies on real-time fatigue damage monitoring via in situ ultrasonic sensing, multiscale approaches to fatigue crack growth from the debonding of particle/ductile-matrix interfaces, advances in the numerical modeling of fatigue crack closure using finite elements, textural fractography
of fatigue fractures, and a novel fractography
for investigation of the fatigue fracture process in materials.
For instance, the knowledge of both analytical and topographical information can be of great interest when dealing with contacting surfaces (tribology), fractography
, surface functionalization, optimization of a fabrication process, etc.