“…The value of CSP for all dislocations of systems is greater than 1; stacking faults, greater than 4 and less than 11; point dislocations, greater than 1 and less than 4; perfect surfaces, greater than 11 Fig. 7 shows the evolution of different crystal defects at 800 K and 1000 K. The higher the temperature, the greater is the proportion of point dislocations and stacking faults at the same strain.…”
Section: Evolution Of Different Crystal Defectsmentioning
confidence: 99%
“…Recent studies have revealed that polycrystalline Ni 3 Al suffers from severe intergranular brittleness at ambient temperatures, even though single crystals of Ni 3 Al are quite ductile and extensive plasticity can be observed on the intergranular fracture surface. 10 Furthermore, although a few investigators have suggested that temperature signicantly affects the mechanical properties of single-phase Ni 3 Al, [11][12][13] tensile tests of multiphase Ni 3 Al-based alloys have been conducted primarily at room temperature. 14 However, research on the mechanical properties of NWs has mainly relied on atomistic simulations instead of experiments.…”
Molecular dynamics (MD) methods are employed to study the mechanical properties of Ni3Al nanowires (NWs) along the [001], [110] and [111] crystal orientations under tensile loading at intermediate temperatures.
“…The value of CSP for all dislocations of systems is greater than 1; stacking faults, greater than 4 and less than 11; point dislocations, greater than 1 and less than 4; perfect surfaces, greater than 11 Fig. 7 shows the evolution of different crystal defects at 800 K and 1000 K. The higher the temperature, the greater is the proportion of point dislocations and stacking faults at the same strain.…”
Section: Evolution Of Different Crystal Defectsmentioning
confidence: 99%
“…Recent studies have revealed that polycrystalline Ni 3 Al suffers from severe intergranular brittleness at ambient temperatures, even though single crystals of Ni 3 Al are quite ductile and extensive plasticity can be observed on the intergranular fracture surface. 10 Furthermore, although a few investigators have suggested that temperature signicantly affects the mechanical properties of single-phase Ni 3 Al, [11][12][13] tensile tests of multiphase Ni 3 Al-based alloys have been conducted primarily at room temperature. 14 However, research on the mechanical properties of NWs has mainly relied on atomistic simulations instead of experiments.…”
Molecular dynamics (MD) methods are employed to study the mechanical properties of Ni3Al nanowires (NWs) along the [001], [110] and [111] crystal orientations under tensile loading at intermediate temperatures.
“…In recent years, the methods of powder synthesis have been widely discussed [11][12][13][14][15][16]. However, its production process was not elucidated and not satisfied.…”
“…Previous investigations mainly focused on fabricating microlaminates using sputtering methods [7,8]. The main disadvantages of sputtering process are the slow deposition rates and the difficulty to apply oxide coating efficiently.…”
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