hydrogen embrittlement

简明释义

氢脆

英英释义

例句

1.During the testing phase, the team observed signs of hydrogen embrittlement 氢脆 in the welded joints.

在测试阶段，团队观察到焊接接头中出现了hydrogen embrittlement 氢脆的迹象。

2.After the incident, the company implemented new protocols to avoid hydrogen embrittlement 氢脆 during the coating process.

事件发生后，公司实施了新的协议，以避免在涂层过程中发生hydrogen embrittlement 氢脆。

3.The engineer explained that hydrogen embrittlement 氢脆 can significantly weaken steel components in high-pressure environments.

工程师解释说，hydrogen embrittlement 氢脆 在高压环境中会显著削弱钢结构部件。

4.To prevent hydrogen embrittlement 氢脆, it is crucial to control the environmental conditions during manufacturing.

为了防止hydrogen embrittlement 氢脆，在制造过程中控制环境条件至关重要。

5.The research focused on identifying materials that are resistant to hydrogen embrittlement 氢脆 for aerospace applications.

研究集中在识别对航空航天应用具有抗hydrogen embrittlement 氢脆的材料。

作文

Hydrogen embrittlement is a phenomenon that affects various metals, particularly high-strength steels. It occurs when hydrogen atoms diffuse into the metal's microstructure, leading to a significant reduction in ductility and toughness. This can result in catastrophic failures, especially in critical applications such as aerospace, automotive, and construction industries. Understanding hydrogen embrittlement (氢脆) is crucial for engineers and material scientists to ensure the integrity and safety of structures and components.The process of hydrogen embrittlement (氢脆) typically begins with the exposure of metals to hydrogen-rich environments. This can happen during manufacturing processes, such as electroplating or welding, where hydrogen is introduced as a byproduct. Once absorbed, hydrogen atoms can occupy interstitial spaces within the metal lattice, causing internal stresses. As these stresses accumulate, they can lead to the formation of micro-cracks, which may propagate and eventually cause failure under stress.One of the most alarming aspects of hydrogen embrittlement (氢脆) is that it often occurs without any visible signs of damage. This makes it particularly dangerous, as components may appear intact while being structurally compromised. For instance, a high-strength steel bolt subjected to hydrogen exposure might fail under load, resulting in serious accidents or equipment malfunctions. Therefore, recognizing the conditions that promote hydrogen embrittlement (氢脆) is essential for preventive measures.To mitigate the risks associated with hydrogen embrittlement (氢脆), several strategies can be employed. One approach is to select materials that are less susceptible to hydrogen absorption. For example, using low-strength steels or alloys designed specifically to resist hydrogen embrittlement (氢脆) can significantly enhance safety. Additionally, controlling the manufacturing environment to minimize hydrogen exposure is critical. Techniques such as post-weld heat treatment can help reduce the amount of hydrogen trapped in the metal.Another effective strategy is to implement thorough testing and inspection protocols. Non-destructive testing methods, such as ultrasonic testing or magnetic particle inspection, can help identify potential failures before they lead to catastrophic incidents. Furthermore, developing guidelines for safe handling and usage of hydrogen-containing materials is vital for industries that rely on high-strength steels.In conclusion, hydrogen embrittlement (氢脆) poses a significant challenge in the field of materials science and engineering. Its ability to silently compromise the integrity of metals underscores the importance of understanding its mechanisms and effects. By adopting appropriate material choices, controlling environmental factors, and employing rigorous testing methods, we can effectively manage the risks associated with hydrogen embrittlement (氢脆). This not only protects the investments made in infrastructure and technology but also ensures the safety of individuals who rely on these systems daily.

氢脆是一种影响各种金属，特别是高强度钢的现象。当氢原子扩散到金属的微观结构中时，就会发生这种现象，从而显著降低金属的延展性和韧性。这可能导致灾难性的故障，尤其是在航空航天、汽车和建筑等关键应用中。理解氢脆(hydrogen embrittlement)对工程师和材料科学家确保结构和组件的完整性和安全性至关重要。氢脆(hydrogen embrittlement)的过程通常始于金属暴露在富氢环境中。这可能发生在制造过程中，例如电镀或焊接，其中氢作为副产品被引入。一旦被吸收，氢原子可以占据金属晶格中的间隙位置，导致内部应力的产生。随着这些应力的积累，它们可能导致微裂纹的形成，这些裂纹可能扩展并最终在应力下导致失效。氢脆(hydrogen embrittlement)最令人担忧的方面之一是，它通常在没有任何可见损伤的情况下发生。这使得它特别危险，因为组件可能看起来完好无损，但实际上却在结构上受到损害。例如，一根暴露于氢环境中的高强度钢螺栓可能在负载下失效，从而导致严重的事故或设备故障。因此，识别促进氢脆(hydrogen embrittlement)的条件对于采取预防措施至关重要。为减轻与氢脆(hydrogen embrittlement)相关的风险，可以采用几种策略。一种方法是选择对氢吸收不太敏感的材料。例如，使用低强度钢或专门设计用于抵抗氢脆(hydrogen embrittlement)的合金可以显著提高安全性。此外，控制制造环境以尽量减少氢暴露也是至关重要的。后焊热处理等技术可以帮助减少金属中滞留的氢量。另一种有效的策略是实施全面的测试和检查协议。无损检测方法，例如超声波检测或磁粉检测，可以帮助在潜在故障导致灾难性事件之前识别它们。此外，为安全处理和使用含氢材料制定指南对于依赖高强度钢的行业至关重要。总之，氢脆(hydrogen embrittlement)在材料科学和工程领域构成了重大挑战。它悄然破坏金属完整性的能力突显了理解其机制和影响的重要性。通过采用适当的材料选择、控制环境因素和进行严格的测试方法，我们可以有效管理与氢脆(hydrogen embrittlement)相关的风险。这不仅保护了在基础设施和技术上的投资，还确保了依赖这些系统的个人的安全。