metallography

简明释义

英[ˌmetəˈlɒɡrəfi]美[ˌmetlˈɑɡrəfi]

n. [材] 金相学

英英释义

单词用法

同义词

反义词

例句

1.The grain coarsening behaviour towards the austenitic hot work tool steels has been studied by means of quantitative metallography.

本文用定量金相法分析和讨论了奥氏体热作工具钢的晶粒粗化行为。

2.Based on the system, the application of computer in metallography technology is discussed.

以该系统为基础，论述了计算机在金相技术中的应用。

3.The cause of fracture of a water supply valve used was analyzed by macrophoto, chemical composition analysis, metallography and mechanical performance.

针对使用中的自来水阀体断裂破坏，进行了宏观形貌、材质化学成分、金相组织、力学性能等失效分析工作。

4.To adopt the metallography hardness method to study microstructure transformation of medial carbon steel 40 being heated and cooled.

采用金相-硬度法研究了中碳钢（40钢）在加热和冷却时的组织转变。

5.The metallography microprobe method has been used to study the solidification process and segregation of a low segregated superalloy.

用金相探针法研究了一种低偏析高温合金的凝固。

6.Metallography is the study of the microstructure of metals and alloys by means of the metallurgical microscope and the electron microscope.

金相学是用金相显微镜和电子显微镜对金属和合金的显微结构的研究。

7.The results from metallography can help engineers improve product design.

金属显微镜学的结果可以帮助工程师改进产品设计。

8.The conference featured a session on advanced techniques in metallography.

会议上有一个关于金属显微镜学先进技术的专题讨论。

9.Understanding metallography allows for better quality control in manufacturing processes.

理解金属显微镜学可以在制造过程中实现更好的质量控制。

10.In the lab, we use metallography to analyze the microstructure of steel samples.

在实验室中，我们使用金属显微镜学分析钢样本的微观结构。

11.The study of materials begins with metallography, which is crucial for understanding their properties.

材料研究始于金属显微镜学，这对于理解它们的性质至关重要。

作文

Metallography is a crucial field of study that focuses on the examination of metals and their properties. It involves the analysis of the structure and composition of metallic materials, which is essential for understanding their behavior in various applications. The term metallography (金属显微镜学) derives from the Greek words 'metallon,' meaning metal, and 'grapho,' meaning to write or describe. This discipline plays a vital role in industries such as aerospace, automotive, and manufacturing, where the performance and reliability of metal components are of utmost importance.In metallography, the primary objective is to investigate the microstructure of metals. By using techniques like optical microscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM), metallographers can observe the arrangement of grains, phases, and inclusions within a metal sample. These observations provide insights into the material's mechanical properties, such as strength, ductility, and toughness.One of the key aspects of metallography (金属显微镜学) is the preparation of samples for examination. This process typically involves cutting, mounting, grinding, and polishing the metal specimens to create a smooth surface for analysis. Once the samples are prepared, they may undergo etching, a chemical process that enhances the visibility of different microstructural features. Etching reveals the grain boundaries and phase distributions, allowing metallographers to identify the characteristics of the metal being studied.Understanding the microstructure of metals through metallography (金属显微镜学) is essential for several reasons. First, it helps engineers and scientists predict how a metal will perform under different conditions. For instance, knowing the grain size and distribution can indicate how a metal will respond to stress, temperature changes, or corrosion. Additionally, metallographic analysis can identify defects or impurities within the metal, which could compromise its integrity and lead to failure in critical applications.Moreover, metallography (金属显微镜学) is instrumental in quality control processes. Manufacturers often use metallographic techniques to ensure that their products meet specific standards and specifications. By examining the microstructure of finished components, companies can verify that they have been produced correctly and are free from defects. This practice not only enhances product reliability but also reduces the risk of costly failures and recalls.The advancements in technology have significantly impacted the field of metallography (金属显微镜学). With the development of sophisticated imaging techniques and software, metallographers can now analyze complex microstructures with greater precision and efficiency. Additionally, the integration of machine learning algorithms allows for faster data analysis, enabling researchers to draw conclusions more quickly and accurately.In conclusion, metallography (金属显微镜学) is an indispensable discipline that provides valuable insights into the properties and behaviors of metals. Its applications span various industries, ensuring that metal components are safe, reliable, and efficient. As technology continues to evolve, the field of metallography will undoubtedly advance, leading to even greater understanding and innovation in the study of metallic materials.