hot corrosion

简明释义

热腐蚀

英英释义

例句

1.Engine components must be designed to withstand 热腐蚀 in extreme environments.

发动机部件必须设计成能够承受极端环境中的热腐蚀。

2.The turbine blades are susceptible to 热腐蚀 due to the high temperatures during operation.

由于运行期间的高温，涡轮叶片容易受到热腐蚀。

3.Materials used in high-temperature applications are tested for 热腐蚀 resistance.

用于高温应用的材料会进行热腐蚀抗性测试。

4.The presence of sodium can accelerate 热腐蚀 in metal alloys.

钠的存在会加速金属合金中的热腐蚀。

5.The research focused on methods to prevent 热腐蚀 in jet engines.

研究集中在防止喷气发动机中发生热腐蚀的方法上。

作文

Hot corrosion is a significant issue in various industries, particularly in the field of materials science and engineering. It refers to the accelerated degradation of materials, especially metals, when they are exposed to high temperatures and corrosive environments. This phenomenon is particularly prevalent in gas turbines, jet engines, and other high-temperature applications where metal components are subjected to extreme conditions. Understanding hot corrosion (高温腐蚀) is crucial for engineers and scientists who aim to enhance the performance and longevity of these components. The mechanisms behind hot corrosion (高温腐蚀) involve complex chemical reactions that occur between the metal surface and the corrosive agents present in the environment. These agents can include salts, oxides, and other compounds that become active at elevated temperatures. When metals are exposed to such conditions, they can form a thin layer of protective oxide. However, the presence of corrosive agents can disrupt this layer, leading to rapid deterioration of the metal underneath. One of the most common examples of hot corrosion (高温腐蚀) occurs in gas turbine engines. In these engines, the combustion process generates high temperatures, which can exceed 1000 degrees Celsius. The presence of sodium sulfate and other salts in the fuel can lead to the formation of molten phases that promote hot corrosion (高温腐蚀). As a result, turbine blades, which are typically made from nickel-based superalloys, can suffer significant material loss over time, impacting their efficiency and reliability. To combat hot corrosion (高温腐蚀), various strategies have been developed. One approach is to improve the material properties of the components used in high-temperature applications. For instance, researchers are continuously working on developing new alloy compositions that can withstand corrosive environments better than traditional materials. Additionally, coatings that provide a barrier against corrosive agents are also being explored. These coatings can be applied to the surface of components to enhance their resistance to hot corrosion (高温腐蚀). Another strategy involves optimizing operating conditions to minimize the risk of hot corrosion (高温腐蚀). This includes controlling the temperature and composition of the fuel used in gas turbines, as well as ensuring that the combustion process is as complete as possible to reduce the production of harmful byproducts. In conclusion, hot corrosion (高温腐蚀) is a critical factor that affects the performance and lifespan of materials in high-temperature applications. By understanding the mechanisms behind this phenomenon and implementing effective strategies to mitigate its effects, engineers can significantly improve the durability of metal components in industries such as aerospace, power generation, and manufacturing. Continued research in this area is essential to develop more resilient materials and technologies that can withstand the challenges posed by hot corrosion (高温腐蚀).

高温腐蚀是各个行业中的一个重要问题，特别是在材料科学和工程领域。它指的是当材料，尤其是金属，在高温和腐蚀性环境中暴露时的加速劣化现象。这种现象在燃气涡轮、喷气发动机以及其他高温应用中尤为普遍，这些金属部件承受着极端条件。理解高温腐蚀（hot corrosion）对工程师和科学家来说至关重要，他们旨在提高这些组件的性能和使用寿命。高温腐蚀（hot corrosion）背后的机制涉及金属表面与环境中存在的腐蚀剂之间发生的复杂化学反应。这些腐蚀剂可以包括盐、氧化物和其他在高温下变得活跃的化合物。当金属暴露在这种条件下时，它们可能会形成一层薄薄的保护氧化物。然而，腐蚀剂的存在可能会破坏这一层，导致金属下方的快速恶化。高温腐蚀（hot corrosion）最常见的例子之一出现在燃气涡轮发动机中。在这些发动机中，燃烧过程产生的高温可超过1000摄氏度。燃料中存在的硫酸钠和其他盐类可能导致熔融相的形成，从而促进高温腐蚀（hot corrosion）。因此，涡轮叶片通常由镍基高温合金制成，随着时间的推移，材料损失显著，影响其效率和可靠性。为了对抗高温腐蚀（hot corrosion），开发了多种策略。一种方法是改善用于高温应用的组件的材料性能。例如，研究人员不断致力于开发能够比传统材料更好地抵御腐蚀环境的新合金成分。此外，提供对腐蚀剂屏障的涂层也在探索之中。这些涂层可以施加到组件的表面，以增强它们对高温腐蚀（hot corrosion）的抵抗力。另一种策略涉及优化操作条件，以最小化高温腐蚀（hot corrosion）的风险。这包括控制燃气涡轮中使用的燃料的温度和成分，以及确保燃烧过程尽可能完全，以减少有害副产品的产生。总之，高温腐蚀（hot corrosion）是影响高温应用中材料性能和使用寿命的关键因素。通过理解这一现象背后的机制并实施有效的策略来减轻其影响，工程师可以显著提高航空航天、电力生成和制造等行业中金属组件的耐用性。在这个领域持续的研究对于开发能够承受高温腐蚀（hot corrosion）带来的挑战的更具韧性的材料和技术至关重要。