coincidence boundary

简明释义

重合边界

英英释义

例句

1.Understanding the coincidence boundary phenomenon helps in predicting the behavior of polycrystalline materials under stress.

理解重合边界现象有助于预测多晶材料在应力下的行为。

2.The formation of a coincidence boundary leads to improved electrical conductivity in certain materials.

形成重合边界会提高某些材料的电导率。

3.The researchers discovered that the coincidence boundary can significantly affect the mechanical properties of the alloy.

研究人员发现，重合边界可以显著影响合金的机械性能。

4.In crystallography, the concept of a coincidence boundary is crucial for understanding grain boundaries in materials.

在晶体学中，重合边界的概念对于理解材料中的晶粒边界至关重要。

5.When two grains meet at a coincidence boundary, they can share a common lattice structure.

当两个晶粒在重合边界相遇时，它们可以共享一个共同的晶格结构。

作文

In the realm of material science and crystallography, the term coincidence boundary refers to a specific type of grain boundary that occurs when two crystal grains are oriented in such a way that they share a significant number of lattice points. This phenomenon is crucial in understanding the mechanical properties of materials, as it influences how materials deform under stress. The concept of coincidence boundary can be illustrated through the example of bicrystals, where two crystals meet at a boundary. When the orientation of these crystals aligns in a favorable manner, the resulting boundary can exhibit unique characteristics that differ from those of typical grain boundaries.The significance of coincidence boundary lies in its impact on the physical properties of materials. For instance, materials with a high density of coincidence boundary often show improved ductility and toughness. This is because the shared lattice points allow for easier dislocation movement, which is essential during plastic deformation. In contrast, regular grain boundaries may act as barriers to dislocation motion, leading to increased brittleness.Moreover, the study of coincidence boundary has implications in various fields, including metallurgy, nanotechnology, and semiconductor manufacturing. In metallurgy, understanding the behavior of coincidence boundary can lead to the development of stronger alloys, as engineers can manipulate the microstructure to enhance performance. In nanotechnology, the properties of materials at the nanoscale can be significantly influenced by the presence of coincidence boundary, making it a critical factor in the design of nanomaterials.In semiconductor manufacturing, the alignment of crystal lattices is vital for the performance of electronic devices. The presence of coincidence boundary can affect the electrical properties of semiconductors, influencing conductivity and overall device efficiency. Therefore, researchers are continually exploring methods to control and utilize coincidence boundary in order to optimize material performance.In conclusion, the concept of coincidence boundary plays a pivotal role in material science by influencing the mechanical and electrical properties of materials. Its unique characteristics make it an area of interest for researchers and engineers alike, as they seek to harness its potential for various applications. Understanding and manipulating coincidence boundary can lead to significant advancements in technology, particularly in fields such as metallurgy, nanotechnology, and semiconductor manufacturing. As we continue to explore the intricacies of material behavior, the study of coincidence boundary will undoubtedly remain a key focus in the quest for innovative and efficient materials.

在材料科学和晶体学领域，术语coincidence boundary指的是一种特定类型的晶界，当两个晶体晶粒的取向以某种方式对齐时，它们共享大量的晶格点。这种现象对于理解材料的机械性能至关重要，因为它影响材料在应力下的变形方式。coincidence boundary的概念可以通过双晶体的例子来说明，在这种情况下，两种晶体在边界处相遇。当这些晶体的取向以有利的方式对齐时，所产生的边界可能会表现出与典型晶界不同的独特特性。coincidence boundary的重要性在于它对材料物理性质的影响。例如，具有高密度coincidence boundary的材料通常显示出更好的延展性和韧性。这是因为共享的晶格点允许位错运动更加容易，而位错运动在塑性变形中至关重要。相反，常规晶界可能会成为位错运动的障碍，导致脆性增加。此外，coincidence boundary的研究在冶金、纳米技术和半导体制造等多个领域都有重要意义。在冶金学中，理解coincidence boundary的行为可以导致更强合金的发展，因为工程师可以操控微观结构以增强性能。在纳米技术中，材料在纳米尺度上的特性可能会受到coincidence boundary存在的显著影响，使其成为纳米材料设计中的关键因素。在半导体制造中，晶体晶格的对齐对于电子设备的性能至关重要。coincidence boundary的存在可能会影响半导体的电气特性，从而影响导电性和整体设备效率。因此，研究人员不断探索控制和利用coincidence boundary的方法，以优化材料性能。总之，coincidence boundary的概念在材料科学中发挥着关键作用，影响材料的机械和电气性能。其独特特性使其成为研究人员和工程师关注的领域，因为他们寻求利用其潜力进行各种应用。理解和操控coincidence boundary可以在技术上带来重大进展，特别是在冶金、纳米技术和半导体制造等领域。随着我们继续探索材料行为的复杂性，coincidence boundary的研究无疑将继续成为创新和高效材料追求中的关键焦点。