pearlitic

简明释义

英[ˈpɜr.lɪt.ɪk]美[ˈpɜr.lɪt.ɪk]

adj. 珠光体的

英英释义

单词用法

同义词

反义词

例句

1.The effects of magnetic field on heat conduction of ferritic and pearlitic steels in the magnetic field heat treatment were studied.

研究结果表明：在磁场热处理铁素体钢或珠光体钢时，磁场能够显著地促进钢的传导传热、加速钢材的冷却、细化铁素体晶粒。

2.Further more, the austenite deformation will induce the pearlitic transformation.

形变还诱发珠光体转变。

3.Pearlitic transformation in steel is a typical diffusion eutectoid transition.

钢中珠光体转变属典型的扩散型共析转变。

4.The microstructure and fracture process of an eutectoid pearlitic steel have been observation and analysed by means of electron-diffraction-contrast technique and SEM.

应用电子衍衬技术和扫描电镜等手段，对共析珠光体轨钢的微观结构和断裂过程，进行了观察和分析。

5.At the last, the steps mechanism of pearlitic growing and some eutectoid structures of non Fe-C alloys are pointed out.

最后讲述了珠光体生长的台阶机制及一些非铁碳合金的共析组织。

6.This paper gives a survey of development and application of microalloyed engineering steels, including those with ferritic -pearlitic, bainitic, and martensitic structures.

本文概述了非调质钢的开发和应用现状，其中包括铁素体一珠光体、贝氏体以及马氏体非调质钢。

7.Pin abrasive tests are widely thought to simulate high stress abrasion, but in reality they grossly over-estimate service lives of white iron mill liners compared to pearlitic steel liners.

针磨料测试被普遍以为是模仿高应力磨损，但实践上它们严重高估效劳生命地白口铁磨内衬比拟珠光体钢内衬。

8.Pin abrasive tests are widely thought to simulate high stress abrasion, but in reality they grossly over-estimate service lives of white iron mill liners compared to pearlitic steel liners.

针磨料测试被普遍以为是模仿高应力磨损，但实践上它们严重高估效劳生命地白口铁磨内衬比拟珠光体钢内衬。

9.Relationship between microstructure of pearlitic rail steels and mechanical properties, and the effects of alloying elements are subject, which people have always been studying.

珠光体钢轨钢的组织与性能之间的关系、合金元素的作用机理一直是人们不断研究的课题。

10.The pearlitic 珠光体的 phase in the alloy contributes to its strength.

合金中的珠光体的相有助于其强度。

11.The steel showed a distinct pearlitic 珠光体的 structure under the microscope.

在显微镜下，钢材显示出明显的珠光体的结构。

12.Heat treatment can transform the structure into a more pearlitic 珠光体的 form.

热处理可以将结构转变为更珠光体的形式。

13.The presence of pearlitic 珠光体的 cementite can affect the hardness of the material.

存在珠光体的水泥石可以影响材料的硬度。

14.We analyzed the pearlitic 珠光体的 microstructure to understand its properties.

我们分析了珠光体的微观结构以了解其性能。

作文

The term pearlitic refers to a specific microstructure found in steel and cast iron, characterized by the presence of alternating layers of ferrite and cementite. This unique arrangement gives pearlitic materials their distinct mechanical properties, making them ideal for various engineering applications. Understanding the significance of pearlitic structures is essential for materials scientists and engineers who work with ferrous alloys.In metallurgy, the formation of a pearlitic structure occurs during the slow cooling of austenite, a phase of iron that exists at high temperatures. As the material cools, it transforms into a mixture of ferrite (a soft and ductile phase) and cementite (a hard and brittle phase). The resulting microstructure resembles the appearance of pearls, hence the name pearlitic. This layered structure contributes to the overall strength and toughness of the material, making it suitable for applications where both durability and flexibility are required.For instance, pearlitic steel is commonly used in the manufacturing of railway tracks, automotive components, and structural beams. The combination of strength and ductility allows these materials to withstand significant stress and strain without fracturing. Moreover, the heat treatment processes applied to pearlitic steels can further enhance their properties, tailoring them for specific uses.In addition to its practical applications, the study of pearlitic structures also provides insights into the fundamental principles of phase transformations in metals. By examining how different cooling rates affect the development of pearlitic microstructures, researchers can better understand the relationships between processing conditions and material properties. This knowledge is crucial for optimizing manufacturing processes and improving the performance of metal products.Furthermore, the concept of pearlitic structures extends beyond just steel and iron. Similar microstructural features can be found in other alloys and composite materials. For example, certain aluminum alloys exhibit pearlitic characteristics when subjected to specific heat treatments, demonstrating the versatility of this microstructural concept across various materials.In conclusion, the term pearlitic encapsulates a critical aspect of metallurgical science, highlighting the intricate relationship between microstructure and material performance. Whether in the context of engineering applications or academic research, understanding pearlitic structures is vital for anyone involved in the field of materials science. As industries continue to evolve and demand stronger, lighter, and more durable materials, the study of pearlitic microstructures will remain an important area of focus for innovation and development in metallurgy.

“pearlitic”一词指的是钢铁和铸铁中一种特定的微观结构，其特征是铁素体和水泥石交替层的存在。这种独特的排列使得pearlitic材料具有独特的机械性能，使其成为各种工程应用的理想选择。理解pearlitic结构的重要性对于从事铁基合金工作的材料科学家和工程师来说至关重要。在冶金学中，pearlitic结构的形成发生在奥氏体的缓慢冷却过程中，奥氏体是高温下存在的铁相。当材料冷却时，它转变为铁素体（软而延展的相）和水泥石（硬而脆的相）的混合物。最终形成的微观结构类似于珍珠的外观，因此得名pearlitic。这种分层结构有助于材料的整体强度和韧性，使其适用于需要耐久性和灵活性的应用。例如，pearlitic钢通常用于铁路轨道、汽车零部件和结构梁的制造。强度和延展性的结合使这些材料能够承受显著的应力和应变而不发生断裂。此外，对pearlitic钢施加的热处理工艺可以进一步增强其性能，使其适应特定的使用要求。除了实际应用之外，研究pearlitic结构还提供了对金属相变基本原理的深入了解。通过研究不同冷却速率如何影响pearlitic微观结构的发展，研究人员可以更好地理解加工条件与材料性质之间的关系。这些知识对于优化制造过程和改善金属产品的性能至关重要。此外，pearlitic结构的概念不仅限于钢铁。其他合金和复合材料中也可以发现类似的微观结构特征。例如，某些铝合金在经历特定热处理时表现出pearlitic特性，展示了这一微观结构概念在各种材料中的多样性。总之，pearlitic一词概括了冶金科学的一个关键方面，突显了微观结构与材料性能之间错综复杂的关系。无论是在工程应用还是学术研究的背景下，理解pearlitic结构对于任何参与材料科学领域的人来说都是至关重要的。随着行业的不断演变，对更强、更轻、更耐用材料的需求日益增长，pearlitic微观结构的研究将继续成为冶金学中创新和发展的重要领域。