hydrogen induced delayed fracture

简明释义

氢诱发延迟性碎裂;

英英释义

例句

1.Manufacturers must consider hydrogen induced delayed fracture 氢诱导延迟断裂 when designing hydrogen storage tanks.

制造商在设计氢储存罐时必须考虑氢诱导延迟断裂。

2.The engineering team conducted tests to evaluate the risk of hydrogen induced delayed fracture 氢诱导延迟断裂 in the new alloy.

工程团队进行了测试，以评估新合金中氢诱导延迟断裂的风险。

3.Research on hydrogen induced delayed fracture 氢诱导延迟断裂 has become crucial for the development of safer materials.

对氢诱导延迟断裂的研究已成为开发更安全材料的关键。

4.In high-pressure environments, hydrogen induced delayed fracture 氢诱导延迟断裂 can lead to catastrophic failures.

在高压环境中，氢诱导延迟断裂可能导致灾难性的故障。

5.The failure analysis revealed that hydrogen induced delayed fracture 氢诱导延迟断裂 was responsible for the pipeline rupture.

故障分析显示，氢诱导延迟断裂是管道破裂的原因。

作文

Hydrogen is the most abundant element in the universe, but its presence in metals can lead to significant challenges in material integrity. One of the most critical issues associated with hydrogen in metallic materials is what is known as hydrogen induced delayed fracture. This phenomenon occurs when hydrogen atoms diffuse into the metal and become trapped at various microstructural features, such as dislocations or grain boundaries. Over time, these trapped hydrogen atoms can weaken the metal's structure, leading to unexpected failures long after the initial exposure to hydrogen. Understanding hydrogen induced delayed fracture is essential for engineers and material scientists, as it has implications for the safety and reliability of structures that operate in hydrogen-rich environments.The mechanisms behind hydrogen induced delayed fracture are complex and multifaceted. When metals are exposed to hydrogen, they can absorb this gas, which then interacts with the metal lattice. The absorbed hydrogen can create internal pressure, leading to micro-cracking or embrittlement. Unlike immediate failures, which occur during or shortly after exposure to hydrogen, delayed fractures can happen days, weeks, or even months later. This delayed response makes it particularly challenging to predict and prevent failures, as the initial conditions may seem stable.Industries such as oil and gas, aerospace, and nuclear power are particularly concerned about hydrogen induced delayed fracture. In these sectors, materials are often subjected to high pressures and temperatures, which can exacerbate the effects of hydrogen. For example, pipelines carrying hydrogen gas must be carefully monitored to prevent leaks that could lead to catastrophic failures. Engineers must consider the potential for hydrogen induced delayed fracture when selecting materials for these applications, opting for alloys that demonstrate greater resistance to hydrogen embrittlement.Research into mitigating the effects of hydrogen induced delayed fracture is ongoing. Scientists are exploring various strategies, including the development of hydrogen-resistant alloys and coatings that can minimize hydrogen absorption. Additionally, understanding the environmental conditions that promote hydrogen uptake is crucial. For instance, moisture and temperature can significantly influence the rate at which hydrogen diffuses into metals. By controlling these factors, it may be possible to reduce the risk of delayed fractures.In conclusion, hydrogen induced delayed fracture poses a significant threat to the integrity of metallic structures exposed to hydrogen. Its complex nature requires a thorough understanding of material properties and environmental interactions. As we continue to explore hydrogen as a clean energy source, addressing the challenges posed by hydrogen induced delayed fracture will be vital for ensuring the safety and reliability of future technologies. Continued research and innovation in materials science will play a crucial role in overcoming these challenges and advancing our understanding of how to protect against the detrimental effects of hydrogen in metals.

氢是宇宙中最丰富的元素，但它在金属中的存在可能导致材料完整性方面的重大挑战。与氢相关的最关键问题之一是被称为氢引起的延迟断裂。这种现象发生在氢原子扩散到金属中并被困在各种微观结构特征（如位错或晶界）时。随着时间的推移，这些被困的氢原子会削弱金属的结构，导致在初始接触氢之后很久才发生意外故障。理解氢引起的延迟断裂对工程师和材料科学家至关重要，因为它对在富氢环境中运行的结构的安全性和可靠性具有重要影响。氢引起的延迟断裂背后的机制复杂且多方面。当金属暴露于氢气时，它们可以吸收这种气体，然后与金属晶格相互作用。吸收的氢可能会产生内部压力，从而导致微裂纹或脆化。与立即故障不同，后者发生在暴露期间或之后不久，延迟断裂可能在几天、几周甚至几个月后发生。这种延迟反应使得预测和防止故障变得特别具有挑战性，因为初始条件看似稳定。石油和天然气、航空航天以及核电等行业特别关注氢引起的延迟断裂。在这些领域，材料通常在高压和高温下工作，这可能加剧氢的影响。例如，输送氢气的管道必须进行仔细监测，以防止可能导致灾难性故障的泄漏。工程师在选择这些应用的材料时，必须考虑氢引起的延迟断裂的潜在性，选择对氢脆性表现出更大抵抗力的合金。关于减轻氢引起的延迟断裂影响的研究正在进行中。科学家们正在探索各种策略，包括开发抗氢合金和涂层，以最小化氢的吸收。此外，了解促进氢吸收的环境条件至关重要。例如，湿度和温度会显著影响氢扩散到金属中的速率。通过控制这些因素，可能有助于降低延迟断裂的风险。总之，氢引起的延迟断裂对暴露于氢的金属结构的完整性构成了重大威胁。其复杂的性质需要对材料特性和环境相互作用的透彻理解。随着我们继续探索氢作为清洁能源来源，解决氢引起的延迟断裂所带来的挑战对于确保未来技术的安全性和可靠性至关重要。材料科学领域的持续研究和创新将在克服这些挑战和加深我们对如何保护金属免受氢不利影响的理解中发挥关键作用。