temper brittleness

简明释义

回火脆性

英英释义

例句

1.By adding certain elements during the alloying process, we can temper brittleness effectively.

通过在合金过程中添加某些元素，我们可以有效地改善脆性。

2.The team focused on ways to temper brittleness in the composite materials for aerospace applications.

团队专注于如何在航空航天应用中改善复合材料的脆性。

3.To ensure the longevity of the bridge, it is crucial to temper brittleness in the materials used.

为了确保桥梁的耐久性，关键在于对所用材料进行改善脆性。

4.The engineer explained how to temper brittleness in steel by adjusting the heat treatment process.

工程师解释了如何通过调整热处理过程来改善脆性。

5.The metallurgist conducted experiments to temper brittleness in aluminum alloys.

冶金学家进行了实验，以改善铝合金的脆性。

作文

In the field of materials science, understanding the properties of different materials is crucial for their application in various industries. One important concept that engineers and scientists must consider is temper brittleness, which refers to the tendency of certain metals to become brittle when subjected to specific heat treatments. This phenomenon can significantly affect the performance and longevity of a material, making it essential to comprehend its implications.When metals are heated and then cooled, they undergo changes in their microstructure. These changes can result in different mechanical properties, such as strength, ductility, and toughness. However, if a metal is improperly tempered, it can lead to temper brittleness, where the material loses its ability to deform under stress and becomes more susceptible to fracture. This is particularly important in applications where safety is a concern, such as in the construction of bridges, buildings, and vehicles.The causes of temper brittleness can vary depending on the type of metal and the specific conditions it is subjected to. For instance, certain alloying elements, like phosphorus and sulfur, can promote brittleness when present in high concentrations. Additionally, the temperature and duration of the tempering process play a significant role in determining whether a material will exhibit brittleness. Engineers must carefully control these variables to ensure that the desired properties are achieved without compromising the integrity of the material.To illustrate the importance of understanding temper brittleness, consider the case of a steel bridge that was constructed using a specific type of alloy. After several years of use, the bridge began to show signs of cracking and structural failure. Upon investigation, it was discovered that the steel had been improperly tempered, leading to an increased risk of brittleness. This situation not only posed a danger to the public but also resulted in costly repairs and delays.Preventing temper brittleness requires a thorough understanding of the materials being used and the processes involved in their treatment. Engineers must conduct extensive testing and analysis to identify potential issues before they arise. This may include examining the chemical composition of the materials, performing tensile tests, and utilizing advanced imaging techniques to observe the microstructure of the metal.In conclusion, the concept of temper brittleness is a critical consideration in materials science and engineering. By understanding how different factors influence the brittleness of metals, professionals can make informed decisions that enhance the safety and durability of their products. As technology advances, the ability to predict and mitigate temper brittleness will continue to improve, ultimately leading to safer and more reliable structures and components in our everyday lives.

在材料科学领域，理解不同材料的性质对其在各个行业中的应用至关重要。工程师和科学家必须考虑的一个重要概念是回火脆性，它指的是某些金属在特定热处理下变得脆弱的倾向。这种现象会显著影响材料的性能和使用寿命，因此了解其影响至关重要。当金属被加热然后冷却时，它们的微观结构会发生变化。这些变化可能导致不同的机械性能，例如强度、延展性和韧性。然而，如果金属的回火处理不当，可能会导致回火脆性，使材料在应力下失去变形能力，并且更容易发生断裂。这在安全至关重要的应用中尤为重要，例如在桥梁、建筑物和车辆的建造中。造成回火脆性的原因可能因金属类型和所处的具体条件而异。例如，某些合金元素，如磷和硫，在高浓度下会促进脆性。此外，回火过程的温度和持续时间在决定材料是否表现出脆性方面起着重要作用。工程师必须认真控制这些变量，以确保在不损害材料完整性的情况下实现所需的性能。为了说明理解回火脆性的重要性，可以考虑一个使用特定合金建造的钢桥的案例。在使用几年后，桥梁开始出现裂缝和结构失效的迹象。经调查发现，该钢材回火处理不当，导致脆性风险增加。这种情况不仅对公众构成危险，还导致昂贵的维修和延误。防止回火脆性需要对所用材料及其处理过程有透彻的理解。工程师必须进行广泛的测试和分析，以识别潜在问题。这可能包括检查材料的化学成分、进行拉伸测试以及利用先进的成像技术观察金属的微观结构。总之，回火脆性的概念是材料科学和工程中的一个关键考虑因素。通过理解不同因素如何影响金属的脆性，专业人士可以做出明智的决策，从而增强产品的安全性和耐用性。随着技术的进步，预测和减轻回火脆性的能力将继续提高，最终导致我们日常生活中更安全、更可靠的结构和组件。