destructive test

简明释义

破损试验

英英释义

例句

1.In aerospace, a destructive test is essential to ensure safety standards are met.

在航空航天领域，破坏性测试对于确保安全标准的符合至关重要。

2.Before launching the new model, the company performed a series of destructive tests on prototypes.

在推出新型号之前，公司对原型进行了系列的破坏性测试。

3.A destructive test can provide valuable data about the limits of a material's performance.

一个破坏性测试可以提供关于材料性能极限的宝贵数据。

4.The product failed the destructive test, indicating it wasn't suitable for high-stress applications.

该产品未通过破坏性测试，表明它不适合高应力应用。

5.The engineers conducted a destructive test to determine the material's breaking point.

工程师们进行了一个破坏性测试以确定材料的断裂点。

作文

In the field of engineering and materials science, the term destructive test refers to a method of testing that involves the destruction or failure of a material or component to assess its properties and performance. This type of testing is crucial for understanding how materials behave under various conditions and ensuring their reliability in real-world applications. While it may seem counterintuitive to destroy a sample in order to learn about its characteristics, destructive test methods provide invaluable data that can lead to safer and more effective products.One common example of a destructive test is tensile testing, where a sample is subjected to increasing amounts of tension until it ultimately breaks. By analyzing the stress-strain curve generated during this process, engineers can determine key properties such as tensile strength, yield strength, and ductility. These metrics are essential for designing structures that can withstand forces without collapsing. In industries such as aerospace and automotive, where safety is paramount, destructive test methods help ensure that components will perform as expected under extreme conditions.Another important aspect of destructive test procedures is the examination of welds and joints. Weld integrity is critical in many applications, particularly in construction and manufacturing. Tests such as bend tests or impact tests can reveal weaknesses in welds that might not be apparent through visual inspection alone. By identifying these weaknesses, manufacturers can make necessary adjustments to their processes, ultimately leading to stronger and more reliable products.While destructive test methods provide valuable insights, they also come with limitations. The most significant drawback is that they require the complete consumption of the test specimen, which can be costly and time-consuming, especially for rare or expensive materials. Additionally, the results obtained from a destructive test may not always be representative of the entire batch of materials, leading to potential discrepancies in quality assurance.To mitigate these challenges, many companies complement destructive test methods with non-destructive testing (NDT) techniques. NDT allows for the evaluation of materials and components without causing damage, enabling engineers to identify flaws while preserving the integrity of the test samples. Techniques such as ultrasonic testing, radiographic testing, and magnetic particle inspection are commonly used alongside destructive test methods to provide a comprehensive understanding of material properties.In conclusion, while the concept of a destructive test may initially appear to contradict the goals of engineering and quality assurance, it plays a vital role in ensuring the safety and reliability of materials and structures. By understanding the strengths and weaknesses of materials through destructive test methods, engineers can make informed decisions that lead to better designs and safer products. As technology advances and new materials are developed, the importance of both destructive test and non-destructive testing will continue to grow, driving innovation and progress in various industries.

在工程和材料科学领域，术语破坏性测试指的是一种测试方法，该方法涉及到对材料或组件的破坏或失效，以评估其特性和性能。这种类型的测试对于了解材料在各种条件下的行为以及确保其在实际应用中的可靠性至关重要。虽然在学习材料特性时摧毁样本似乎是违反直觉的，但破坏性测试方法提供了宝贵的数据，可以导致更安全和更有效的产品。一个常见的破坏性测试例子是拉伸测试，其中样本受到逐渐增加的拉力，直到最终断裂。通过分析在此过程中生成的应力-应变曲线，工程师可以确定关键属性，如抗拉强度、屈服强度和延展性。这些指标对于设计能够承受力量而不倒塌的结构至关重要。在航空航天和汽车等行业中，安全至关重要，破坏性测试方法有助于确保组件在极端条件下表现如预期。破坏性测试程序的另一个重要方面是焊接和接头的检查。焊接完整性在许多应用中至关重要，特别是在建筑和制造业中。弯曲测试或冲击测试等测试可以揭示焊接中可能不明显的弱点。通过识别这些弱点，制造商可以对其工艺进行必要的调整，最终导致更强大和更可靠的产品。虽然破坏性测试方法提供了有价值的见解，但它们也伴随着局限性。最显著的缺点是它们需要完全消耗测试样本，这可能是昂贵和耗时的，尤其是对于稀有或昂贵的材料。此外，从破坏性测试中获得的结果可能并不总是代表整个材料批次，导致质量保证中的潜在差异。为了减轻这些挑战，许多公司将破坏性测试方法与非破坏性测试（NDT）技术相结合。NDT允许在不造成损害的情况下评估材料和组件，使工程师能够识别缺陷，同时保持测试样本的完整性。超声波测试、射线照相测试和磁粉检测等技术通常与破坏性测试方法一起使用，以提供对材料特性的全面理解。总之，尽管破坏性测试的概念最初看起来似乎与工程和质量保证的目标相矛盾，但它在确保材料和结构的安全性和可靠性方面发挥着至关重要的作用。通过了解材料的强度和弱点，工程师可以做出明智的决策，从而导致更好的设计和更安全的产品。随着技术的进步和新材料的发展，破坏性测试和非破坏性测试的重要性将继续增长，推动各个行业的创新和进步。