slip system

简明释义

原始单据会计制

英英释义

例句

1.Researchers are studying the slip system of titanium alloys to improve their strength and ductility.

研究人员正在研究钛合金的滑移系统以提高其强度和延展性。

2.The activation of a slip system occurs when the applied stress exceeds the critical resolved shear stress.

当施加的应力超过临界分解剪切应力时，滑移系统的激活就会发生。

3.In materials science, the slip system refers to the specific combination of slip planes and slip directions that allow dislocation movement in crystals.

在材料科学中，滑移系统指的是允许晶体中位错移动的滑移平面和滑移方向的特定组合。

4.Different metals have different slip systems, which affects their mechanical properties.

不同的金属具有不同的滑移系统，这影响了它们的机械性能。

5.The understanding of the slip system is crucial for predicting how metals will deform under stress.

理解滑移系统对于预测金属在应力下的变形至关重要。

作文

In the study of materials science, particularly in the field of crystallography, the term slip system refers to a specific combination of a slip plane and a slip direction along which dislocations move. Dislocations are defects within a crystal structure that allow for plastic deformation when stress is applied. Understanding the slip system is crucial for predicting how materials will behave under various loading conditions. A slip system typically consists of a crystallographic plane that is most densely packed with atoms, providing the easiest path for dislocation movement. The slip direction is the direction in which these dislocations move. For example, in face-centered cubic (FCC) metals, the primary slip system involves the {111} planes and the <110> directions. This means that the most favorable planes for dislocation motion are the {111} planes, and the dislocations move along the <110> directions. The understanding of slip systems is not only fundamental for theoretical studies but also has practical implications in engineering and manufacturing. For instance, when designing materials for specific applications, engineers must consider the slip system of the material to ensure it can withstand the expected stresses without failing. Materials with multiple slip systems, such as polycrystalline metals, tend to exhibit better ductility, allowing them to deform more easily without breaking.Moreover, the concept of slip systems plays a vital role in the development of advanced materials. Researchers are continuously exploring ways to manipulate the slip system of materials at the atomic level to enhance their mechanical properties. For example, by alloying certain elements into a base metal, the number of active slip systems can be increased, which may lead to improved strength and toughness. This is particularly important in aerospace and automotive industries, where materials must endure extreme conditions while maintaining structural integrity.In conclusion, the slip system is a fundamental concept in materials science that describes how dislocations move within a crystal lattice. Its understanding aids in predicting material behavior under stress and is essential for the design and development of new materials. As we continue to advance our knowledge in this field, the manipulation of slip systems will likely lead to the creation of stronger, more resilient materials that can meet the demands of modern engineering challenges.

在材料科学的研究中，特别是在晶体学领域，术语滑移系统指的是一个特定的滑移面和滑移方向的组合，沿着这些方向位错会移动。位错是晶体结构中的缺陷，在施加应力时允许塑性变形。理解滑移系统对于预测材料在各种加载条件下的行为至关重要。一个滑移系统通常由一个原子密集堆积的晶面组成，这为位错运动提供了最容易的路径。滑移方向是这些位错移动的方向。例如，在面心立方（FCC）金属中，主要的滑移系统涉及{111}晶面和<110>方向。这意味着位错运动的最有利晶面是{111}晶面，而位错沿<110>方向移动。对滑移系统的理解不仅对理论研究至关重要，而且在工程和制造领域也具有实际意义。例如，在为特定应用设计材料时，工程师必须考虑材料的滑移系统，以确保它能够承受预期的应力而不会失败。具有多个滑移系统的材料，如多晶金属，往往表现出更好的延展性，使其在不破裂的情况下更容易变形。此外，滑移系统的概念在先进材料的发展中也发挥着重要作用。研究人员不断探索在原子水平上操纵材料的滑移系统以增强其机械性能的方法。例如，通过将某些元素合金化到基体金属中，可以增加活跃的滑移系统的数量，这可能导致强度和韧性的提高。这在航空航天和汽车工业中尤为重要，因为这些材料必须在极端条件下保持结构完整性。总之，滑移系统是材料科学中的一个基本概念，描述了位错如何在晶体晶格中移动。其理解有助于预测材料在应力下的行为，并且对新材料的设计和开发至关重要。随着我们在这一领域知识的不断进步，对滑移系统的操控可能会导致创造出更强、更坚韧的材料，以满足现代工程挑战的需求。