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晶粒邊界（英語：grain boundary），簡稱晶界，指多晶材料中晶粒之間的接合區域。在結晶學中晶粒邊界是一種二維的晶體缺陷。晶粒邊界出現在結構相同方向不同的微晶區域 ...
#2. Grain Boundary - an overview | ScienceDirect Topics
Grain boundaries are interfaces where crystal grains of different orientations join in a polycrystalline solid. The atomic arrangement is irregular and the ...
#3. grain boundary - 晶粒界 - 國家教育研究院雙語詞彙
grain boundary. 以grain boundary 進行詞彙精確檢索結果. 出處/學術領域, 英文詞彙 ...
#4. Grain boundary characterization - GBC
Grain boundary characterization - GBC. Grain and phase boundaries are planar lattice defects where two crystal lattices of different orientation and/or ...
#5. Grain Boundaries - Oxford Colloid Group
A grain boundary is a planar defect that occurs where two such crystallites meet---the same crystal structure and chemical composition exists on each side ...
#6. Grain Boundaries in Metals | Nature
ACCORDING to the transition lattice theory, since in pure metals and single-phase alloys the only difference between the two grains which meet at a boundary ...
#7. Grain Boundary (GB) Studies in Nano- and Micro - eScholarship
Author(s): Tanju, Mst Sohanazaman | Advisor(s): Garay, Javier E | Abstract: Polycrystalline materials are composed of grains and grain boundaries.
#8. Dislocation content of grain boundary phase junctions and its ...
... phase junctions and its relation to grain boundary excess properties ... Cu boundaries previously simulated with molecular dynamics.
#9. Grain Boundaries
Grain boundaries are regions of atomic mismatch and less dense atomic packing. Less density on an atomic scale implies bigger atomic-sized holes through which ...
#10. Grain Boundary Pinning by Particles | Scientific.Net
Grain boundary pinning by particles is widely used to prevent grain growth during heat treatment in a variety of commercial alloys.
#11. nglos324 - grainboundary
If the angle between equivalent planes in adjacent grains is large, the atomic misfit in the grain boundary is large. Small angle grain boundaries exhibit ...
#12. Grain boundary formation through particle detachment during ...
For example, if a grain boundary stretches from one side of a ligament to the other, it can form a bamboo-like structure with very flat grains ...
#13. Birth of a grain boundary: In situ TEM Observation of the ...
Birth of a grain boundary: In situ TEM Observation of the Microstructure Evolution in HfO2 Based Memristors - Volume 27 Issue S1.
#14. Grain Boundary Segregation in Metals - 第 25 頁 - Google 圖書結果
2, grain boundaries are characterised by increased Gibbs energy (grain boundary energy, ) comparing to the bulk crystal. The system containing grain ...
#15. Grain Boundary Migration in Metals: Thermodynamics, ...
Atomic configuration of a grain boundary edge dislocation at a £ = 5 grain boundary in an fcc lattice . ( a ) Burgers vector parallel to the grain boundary ...
#16. Growth and Grain Boundaries in 2D Materials | ACS Nano
Grain boundaries (GBs) are a kind of lattice imperfection widely existing in two-dimensional materials, playing a critical role in ...
#17. Grain Boundary Barriers in Germanium
High resistance at crystal grain boundaries in $n$-type germanium is investigated. The resistance is symmetrical with respect to the direct on of the ...
#18. Tutorial - Grain boundary - Atomsk
(a) Insert two nodes at the reduced coordinates (0.5,0.25,0) and (0.5,0.75,0). By doing so, the grain boundary is located at the center of the final cell ( ...
#19. Grain Boundary Complexion Transitions - Annual Reviews
Grain boundaries can undergo phase-like transitions, called complexion transitions, in which their structure, composition, and properties change ...
#20. (PDF) Grain boundary mobility - A brief review - ResearchGate
Although thermally activated exchange of atoms across boundaries provides a basic picture of grain boundary correct to within an order of magnitude, no ...
#21. Keywords "grain boundary segregation"
grain boundary segregation. A phenomenon where impurities or doped elements in a metal or ceramics are segregated at a crystal grain boundary. The segregation ...
#22. Grain Boundary Effects on Microstructural Stability of ...
A grain boundary (GB) in the homophase polycrystalline metal is an interface between two crystals of the same crystal structure [1, 2]. According to the ...
#23. 5.3.1 Grain Boundaries
Finally, let's take a quick look at why grain boundaries matter directly in sword making. A grain boundary, as the word implies, separates different grains of ...
#24. Grain boundary dominated ion migration in polycrystalline ...
The efficiency of perovskite solar cells is approaching that of single-crystalline silicon solar cells despite the presence of a large grain boundary (GB) ...
#25. grain boundary | crystals | Britannica
Other articles where grain boundary is discussed: ice in lakes and rivers: Thinning and rotting: …ice, melting begins at the grain boundaries because the ...
#26. 4.10 Grain Boundary Effects - Point Defects and Diffusion ...
So what we need to do is talk about some of the effects that grain boundaries present in a structure like a metallic material, for example. So when we look at a ...
#27. Grain Boundary Diffusion and Properties of Nanostructured ...
It may appear that the diffusion path in the volume is considerably longer than the distance between the grain boundaries and the fields of volume diffusion ...
#28. Grain Boundary Processes in Strengthening, Weakening, and ...
Grain boundaries provide strength to materials at low temperatures by impeding slip transfer and they weaken materials at high temperatures ...
#29. Grain boundaries in semiconductors - IOPscience
Diffusion at semiconductor grain boundaries is also discussed, and finally the electrical properties of zinc oxide varistor material are presented in the light ...
#30. Grain boundary analysis in metals (APT) - CAMECA
Atom Probe Tomography is used for nanoscale characterization and 3D imaging of grain boundaries in metals and alloys.
#31. Grain Boundaries | SpringerLink
Grain boundaries are a main feature of crystalline materials. ... Explores opportunities emerging through "grain boundary engineering" to control ...
#32. Grain Boundary Mechanics: Interactions Between Mechanical ...
Interactions Between Mechanical Stresses and Grain Boundaries ; New Approaches to Microstructure Control and Materials Design Myrjam Winning ...
#33. 電子/半導體晶粒邊界Grain Boundary。 指多晶體內 - 解釋頁
晶粒邊界Grain Boundary。 指多晶體內，各個晶粒間互相接觸的部份。 相關字.
#34. Grain boundaries - AccessScience from McGraw-Hill Education
A polycrystalline cube 1 cm on edge, with grains 0.0001 cm in diameter, would contain 10 12 crystals with a grain boundary area of several square meters.
#35. grain boundary - 英中– Linguee词典
大量翻译例句关于"grain boundary" – 英中词典以及8百万条中文译文例句搜索。
#36. Grain boundary diffusion of phosphorus in polycrystalline silicon
The preferential diffusion of phosphorus down grain boundaries in cast polysilicon wafers has been studied using angle polishing followed by measuring ...
#37. The Nature and Behavior of Grain Boundaries - Springer ...
The papers are grouped into three sections according to their major content: STRUCTURE OF GRAIN BOUNDARIES, ENERGETICS OF GRAIN BOUNDARIES, and GRAIN BOUNDARY ...
#38. The Role of Grain Boundary Diffusion in the Solute Drag Effect
Abstract: Molecular dynamics (MD) simulations are applied to study solute drag by curvature-driven grain boundaries (GBs) in Cu–Ag solid ...
#39. Seeing how grain boundaries transform in a metal - Phys.org
Grain boundaries are one of the most prominent defects in engineering materials separating different crystallites, which determine their ...
#40. Grain Boundary Properties - MTEX Toolbox
In this section we discus geometric properties that can be derived from grain boundaries. Lets start by importing some EBSD data and computing grain ...
#41. Grain boundary - chemeurope.com
Grain boundary A grain boundary is the interface between two grains in a polycrystalline material. Grain boundaries disrupt the motion of dislocations.
#42. Grain Structure and Boundary - Engineer-Educators.com
The grain boundary refers to the outside area of a grain that separates it from the other grains. The grain boundary is a region of misfit between the ...
#43. Grain boundary strengthening in alumina by rare ... - PubMed
Impurity doping often alters or improves the properties of materials. In alumina, grain boundaries play a key role in deformation mechanisms, ...
#44. grain-boundary diffusion - Glossary of nanotechnology and ...
Grain -boundary diffusion is one of the main mechanisms of low-temperature sintering used in ceramics manufacturing and powder metallurgy; increase in its ...
#45. Role of grain boundary plane in grain boundary engineering
There is an increasing amount of interest in grain boundary engineering (GBE) to improve the properties of the grain boundary network.
#46. What is grains and grain boundary? - Quora
The surface that separates individual grains from each other are called Grain Boundaries. The crystal orientation changes abruptly across the grain boundry. 6.9 ...
#47. Discovery of grain-boundary disordered nanola | EurekAlert!
Discovery of grain-boundary disordered nanolayers in intermetallic alloys. Resolving alloys' strength-ductility trade-off and thermal ...
#48. Grain boundary velocity and curvature are not correlated in Ni ...
A generally accepted theory ties the grain boundary curvature to the velocity at which grain boundaries migrate.
#49. File:Grain boundary diagram.jpg - Wikimedia Commons
English: A picture of grain boundaries for polysilicon. Each grain is crystalline over the width of the grain. The grain boundary separates ...
#50. "Understanding of grain boundary embrittlement and its ...
Grain boundary (GB) embrittlement has been repeatedly reported as one of the important factors affecting fracture of refractory metals.
#51. Anomalous Grain Boundary Diffusion: Fractional Calculus ...
Grain boundary (GB) diffusion in engineering materials at elevated temperatures often determines the evolution of microstructure, ...
#52. The Measurement of Grain Boundary Geometry - Routledge
One such method examines the geometry of grain boundaries, which reveals much about the properties of the material. Studying material properties from their ...
#53. Cracking the case of ceramic “softening”: Size-induced grain ...
And grain boundaries, where differently oriented grains meet, are one big reason ceramics are so brittle. Cracks often form and propagate at ...
#54. What is Grain Refinement - Grain Boundary Strenthening
Grain -boundary strengthening (or Hall–Petch strengthening) is a method of strengthening materials by changing their average crystallite (grain) size.
#55. The Atomic and Electronic Structure of 0° and 60° Grain ...
The grain boundaries with specific relative angle have been formed with chemical vapor deposition (CVD) growth on graphite and hexagonal boron ...
#56. Grain Size and Material Strength - Materion
However, once a dislocation reaches a grain boundary, it has nowhere to go. In other words, grain boundaries stop dislocations (see Figure 1).
#57. GRAIN BOUNDARY MIGRATION
Grain boundary migration refers to the movement of the boundary separating two grains. The movement takes place by the diffusion of single atoms from one ...
#58. The phase structure of grain boundaries - Journals
This article discusses numerical and analytical results on grain boundaries, which are line defects that separate roll patterns oriented in ...
#59. What is a Grain Boundary? - Wise Geek
These lines are the grain boundaries, or the lines that mark the outside edge of grains, crystal-like shapes that form as a material cools from liquid to ...
#60. Grain Boundary Diffusion - Conserving HREE in NdFeB ...
Grain Boundary Diffusion is an important new advance in Neodymium magnet production technology. Heavy Rare Earth Elements (HREE) are delivered directly to ...
#61. Experimental characterization, modelling and simulation of ...
Several material states / grain boundary types will be considered. Secondly, a mechanical model to account for grain boundaries will be proposed and validated ...
#62. Correlation between Al grain size, grain boundary grooves ...
Here, we have observed that grooves at Al grain boundaries are associated with a local increase of tunnel barrier thickness. The uniformity of ...
#63. The effects of grain boundaries in the electrical characteristics ...
In general, the grain boundary effects decrease with device size. Devices with short channel lengths and wide channel widths may suffer from degradation due to ...
#64. Grain boundary - WIKI 2. Wikipedia Republished
A grain boundary is the interface between two grains, or crystallites, in a polycrystalline material. Grain boundaries are 2D defects in the ...
#65. Physics:Grain boundary - HandWiki
A grain boundary is the interface between two grains, or crystallites, in a polycrystalline material. Grain boundaries are 2D defects in the ...
#66. Grain size, Part II: How metal grain size affects a bending ...
Grain boundaries —areas with a surplus of molecules that are not part ... A grain boundary affects how a material's particles can move along ...
#67. What is grain-boundary oxidation in steel? - Industrial Heating
Grain -boundary oxidation is a phenomenon that is caused by the diffusion of oxygen into the steel surface. In order for the oxidation ...
#68. Lecture 7 Grain boundary grooving - iMechanica
We may say that the grain boundary is the driver, and the surface the passenger. Local equilibrium and the dihedral angle. Atoms at the triple ...
#69. Correlating Nanoscale Grain Boundary Composition with ...
Semantic Scholar extracted view of "Correlating Nanoscale Grain Boundary Composition with Electrical Conductivity in Ceria" by W. Bowman.
#70. What is grain and grain boundary? - TheAnswersWeb
A grain boundary is the interface between two grains, or crystallites, in a polycrystalline material. On the other hand, grain boundaries ...
#71. L22: Grain Boundary, Surface Energies, Measurement
6 Isotropic Material An material with uniform grain boundary energy should have dihedral angles equal to 120°. Likely in real materials? No! Low angle ...
#72. 晶界工程_百度文库
Characterization of Grain Boundary C. EBSD technique 2. ... Effects of Grain Boundaries on Bulk Properties of Polycrystalline Materials. b.
#73. Grain boundary - ralcstyle.com
Grain boundary (결정립 경계) A grain boundary is the interface between two grains in a polycrystalline material. Grain boundaries disrupt ...
#74. Difference between phase boundaries and grain ... - Reddit
I understand that grain boundary energy is given as the energy value between two grains of the same phase, and thus this would yield an ...
#75. How Does Grain Refinement Lead to Improved Properties?
First to understand how grain refinement strengthens steel you must know ... A video of dislocations piling up at a grain boundary with new ...
#76. Grain boundaries - Isaac's science blog
Grain boundaries. 02/17/17. “What happens when multiple grains in a crystal collide?” Polycrystalline materials have grains that flow in ...
#77. Prof. Christoph T. Koch, PhD - Physik @ HU Berlin
Grain Boundaries in Ceramics and Semiconductors ... 59 (2011) 4378-4386; [38] C.T. Koch, “Determination of grain boundary potentials in ...
#78. Mechanical Properties of Metals - 911 Metallurgist
Effect Of Temperature, Deformation & Grain Size On Mechanical Properties ... The original grain boundaries may be even more prominent than ...
#79. NSF Award Search: Advanced Search Results.
Collaborative Research: DMREF: Uncovering Mechanisms of Grain Boundary Migration in Polycrystals for Predictive Simulations of Grain Growth
#80. explain why the properties of polycrystalline materials are ...
The grain boundaries accord higher strength and hardness to polycrystals than that of single crystals. The finer the crystal grains in ...
#81. Corrosion Alloys Guide - Haynes International
precipitates, particularly at the grain boundaries, both during hot working and welding (of annealed material). A key step in the production and fabrication ...
#82. Mining Equipment Manganese - veruschka-tn.it
boundary equipment is a manufacturer of quality products for mining material ... away from the steel grain boundaries creating a uniform and elastic body of ...
#83. Xuanjiang (William) Liu on LinkedIn: Launch Day has arrived ...
It helped us gain a better understanding of how grain boundary energy drives the microstructure evolution of AlCrFe2Ni2 alloy. More details in Section 2, ...
#84. Crystal plasticity matlab code - WeCan-We Collaborate for ...
Crimp Grain boundaries and interfaces in slip transfer, Current Opinion in ... ellipticBVP (base class for parallel implementation of elliptic boundary ...
#85. 浙大《Nature Communications》:晶界可动性的动态调整机制
相关成果以“Twinning-assisted dynamic adjustment of grain boundary mobility ”为题发表在Nature Communications上。
#86. Lammps fix atoms - Aunarsi
... those atoms that are far from the grain boundary (defined by the variable ... 233 xlo xhi 0 35. lammps units metal boundary p p p atom_style atomic ...
#87. Lammps fix atoms
The boundary on which atoms are added with append/atoms must be shrink/minimum ... those atoms that are far from the grain boundary (defined by the variable ...
#88. Cif to poscar
... Python Library to Generate Periodic Grain Boundary Structures, Comput. ... but an XYZ file with the periodic boundaries included would be great as well.
#89. IIT Palakkad | IIT Palakkad
... to Predict Flow Stress and Dynamically Recrystallized Grain Size of Deformed ... viscous computations using a sharp interface immersed boundary method.
#90. 4장. 고체 내의 결함 - 면결함, 체적결함 - 블로그
2) 결정립계 (Grain Boundary). 결정립계는서로 다른 결정 방향을 갖는 결정 사이에 존재하는 경계면을 의미한다. 결정립계는 수 개의 원자 거리폭을 ...
#91. Faceting diagrams book - Cherry Blossom Productions
... 3 Preparation of Rough, 4 Polishing Grains of Natural Surfaces, 5 Faceting of ... 5 tilt grain boundary via aberration corrected STEM, STEM-EDS and APT.
#92. what is the difference between brittle and ductile deformation
... dislocation creep, mechanical twinning/kinking, grain boundary sliding, ... the websites of dissolution to precipitation alongside grain boundaries.
#93. Grain not left in square — Puzzles Crossword Clue
Boundary Foreign Office applied to old city; Chrysler 300, e.g.; Count in a march; Crazy Duran Duran fans go wild - fee for picture; Cricket shot that touches ...
#94. Aussie vegie production going gangbusters - The Canberra ...
... the hallowed turf knee-deep or to the top of the boundary fence. ... markets and all fisheries, forestry operations and grain crops.
#95. Fraser Valley milk production returns, BC ranchers pitch in
... as far north as Hope, grain is moving again, particularly red wheat to restart flour mills, Popham said. ... Love Boundary Creek Times?
#96. www.engineeringarchives.com/les_matsci_surfacedefe...
grain boundary 在 Grain Boundary Properties - MTEX Toolbox 的推薦與評價
In this section we discus geometric properties that can be derived from grain boundaries. Lets start by importing some EBSD data and computing grain ... ... <看更多>