hair crack

简明释义

发纹裂

英英释义

例句

1.The pottery had a beautiful hair crack pattern that added to its charm.

这件陶器有着美丽的发裂纹图案，增添了它的魅力。

2.During the inspection, we found a hair crack in the ceramic tile.

在检查过程中，我们发现瓷砖上有一条发裂纹。

3.After the accident, I noticed a hair crack in the windshield of my car.

事故后，我注意到我的车窗上有一条发裂纹。

4.The artist used a special technique to create a hair crack effect on the painting.

艺术家使用了一种特殊的技巧在画作上创造了发裂纹效果。

5.He explained that a hair crack can occur due to rapid temperature changes.

他解释说，由于温度快速变化，可能会出现发裂纹。

作文

In the world of engineering and materials science, understanding the various types of cracks that can occur in materials is crucial. One such term that often arises in discussions about material integrity is hair crack. A hair crack refers to a very fine, often barely visible fracture in a material, typically resembling a hairline. These cracks can occur in metals, ceramics, and even in composite materials, and they can have significant implications for the durability and safety of structures and products.Hair cracks are particularly concerning because they can be difficult to detect with the naked eye. They often form due to stress concentrations, thermal expansion, or manufacturing defects. For instance, in the case of metal components, a hair crack might develop during the cooling process after welding, when the material experiences rapid temperature changes. Similarly, in ceramics, these cracks can arise from shrinkage during the drying process.The presence of a hair crack can compromise the integrity of a material, leading to more severe fractures if not addressed. Engineers and quality control professionals must employ various methods to detect these cracks, including visual inspection, ultrasonic testing, and dye penetrant testing. The challenge lies in the fact that a hair crack may not propagate immediately, but over time, it can grow larger and lead to catastrophic failure.Preventing hair cracks involves careful consideration of the materials used, the manufacturing processes employed, and the environmental conditions to which the materials will be exposed. For example, selecting materials with good resistance to thermal shock can help minimize the risk of hair cracks in ceramic products. Additionally, implementing proper cooling techniques during metal fabrication can reduce the likelihood of these fine fractures developing.In conclusion, while a hair crack may seem insignificant at first glance, its potential impact on the performance and safety of materials cannot be overlooked. Engineers must remain vigilant in detecting and addressing these cracks to ensure the longevity and reliability of their designs. By understanding the nature of hair cracks and employing preventative measures, we can enhance the durability of materials and the safety of the structures and products that rely on them.

在工程和材料科学的世界中，理解材料中可能发生的各种裂缝类型至关重要。其中一个常见的术语是发丝裂缝。发丝裂缝指的是材料中非常细小、往往几乎不可见的裂纹，通常看起来像发丝。这些裂缝可以出现在金属、陶瓷甚至复合材料中，并且对结构和产品的耐久性和安全性有重大影响。发丝裂缝尤其令人担忧，因为它们可能难以用肉眼检测到。它们通常由于应力集中、热膨胀或制造缺陷而形成。例如，在金属部件的情况下，发丝裂缝可能在焊接后冷却过程中出现，当材料经历快速的温度变化时。同样，在陶瓷中，这些裂缝可能在干燥过程中由于收缩而产生。发丝裂缝的存在可能会损害材料的完整性，如果不加以处理，可能导致更严重的断裂。工程师和质量控制专业人员必须采用各种方法来检测这些裂缝，包括目视检查、超声波测试和染料渗透测试。问题在于，发丝裂缝可能不会立即扩展，但随着时间的推移，它可能会变得更大并导致灾难性故障。防止发丝裂缝的发生需要仔细考虑所使用的材料、所采用的制造工艺以及材料将暴露于的环境条件。例如，选择具有良好抗热冲击性的材料可以帮助减少陶瓷产品中发丝裂缝的风险。此外，在金属加工过程中实施适当的冷却技术可以降低这些细微裂缝发展的可能性。总之，虽然发丝裂缝乍一看似乎微不足道，但其对材料性能和安全性的潜在影响不容忽视。工程师必须保持警惕，检测和处理这些裂缝，以确保其设计的耐用性和可靠性。通过理解发丝裂缝的性质并采取预防措施，我们可以增强材料的耐久性以及依赖于这些材料的结构和产品的安全性。