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Ultra-dense dislocations stabilized in high entropy oxide ceramics
Nature Communications, 2022 Dislocations are commonly present and important in metals but their effects have not been fully recognized in oxide ceramics. The large strain energy raised by the rigid ionic/covalent bonding in oxide ceramics leads to dislocations with low density ...
Yi Han +11 more
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Bilateral Monteggia fracture in adults [PDF]
Vojnosanitetski Pregled, 2011 Introduction. In 1814 Giovanni Monteggia first described two cases of fractures of the proximal third of ulna with dislocation of the radial head. These fractures are more common in children than in adults, and mutual Monteggia fracture is a rare ...
Ristić Dejan +4 more
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Stent graft infixation after venous dislodgement in a patient with femoral posttraumatic arteriovenous fistula [PDF]
Vojnosanitetski Pregled, 2013 Introduction. An arteriovenous fistula (AVF) is an abnormal connection between an artery and a vein which may result from traumatic injury or may occur as congenital abnormality.
Till Viktor +4 more
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Strength can be controlled by edge dislocations in refractory high-entropy alloys
Nature Communications, 2021 Energy efficiency is motivating the search for new high-temperature (high-T) metals. Some new body-centered-cubic (BCC) random multicomponent “high-entropy alloys (HEAs)” based on refractory elements (Cr-Mo-Nb-Ta-V-W-Hf-Ti-Zr) possess exceptional ...
Chanho Lee +10 more
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Interactions between Dislocations and Boundaries during Deformation
Materials, 2021 The interactions between dislocations (dislocations and deformation twins) and boundaries (grain boundaries, twin boundaries and phase interfaces) during deformation at ambient temperatures are reviewed with focuses on interaction behaviors, boundary ...
Hong-jiang Pan, Yue He, Xiaodan Zhang
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Recognition of dislocation structure of silicon carbide epitaxial layers by а neural network [PDF]
Компьютерная оптика, 2020 Technological features of the growth of single crystal silicon carbide inevitably create condi-tions for the formation of crystal structure defects in them.
A.V. Bragin +3 more
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Observation of hydrogen trapping at dislocations, grain boundaries, and precipitates
Science, 2020 An anti-embrittlement roadmap Hydrogen is important for energy applications such as fuel cells but tends to diffuse into materials and make them more susceptible to fracture. Chen et al. tackled the challenge of identifying the exact location of hydrogen
Yi-Sheng Chen +10 more
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Septic hip dislocations in children in a developing country
African Journal of Paediatric Surgery, 2011 Purpose: To report on a radiological issue and therapeutic aspects encountered in septic hip dislocations in a developing country. Patients and Methods: Nineteen children among whom 11 boys and 8 girls aged on average 5.3-years old presented 7 recent and
Gabriel Ngom +5 more
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Artifacts in metallography: etching pits
Литьë и металлургия, 2023 The article considers etch pits that appear in metals and alloys during metallographic etching as an artifact. The optical contrasting tools capabilities, such as dark field, polarized light, and differential interference contrast in detecting etch pits,
A. G. Anisovich
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Old and neglected odontoid fracture with C1-C2 dislocation: An approach
Journal of Spinal Surgery, 2015 In Indian health setup with short of précised expertize, the nonunion with C1-C2 instability of odontoid fractures usually results from delayed diagnosis and its inappropriate treatment.
Ankit Arunbhai Desai +3 more
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