impact toughness

简明释义

冲击韧性

英英释义

例句

1.Testing the impact toughness 冲击韧性 of the steel revealed its suitability for construction.

对钢材的冲击韧性 impact toughness进行测试显示其适合用于建筑。

2.The product's design was altered to improve its impact toughness 冲击韧性 and durability.

产品的设计被修改以提高其冲击韧性 impact toughness和耐用性。

3.Materials with high impact toughness 冲击韧性 are essential for applications in extreme environments.

具有高冲击韧性 impact toughness的材料对于极端环境下的应用至关重要。

4.We need to evaluate the impact toughness 冲击韧性 of this composite material before use.

在使用之前，我们需要评估这种复合材料的冲击韧性 impact toughness。

5.The engineer emphasized the importance of impact toughness 冲击韧性 in designing the new bridge.

工程师强调了在设计新桥时，冲击韧性 impact toughness的重要性。

作文

Impact toughness is a critical property of materials, particularly in engineering and construction applications. It refers to the ability of a material to absorb energy and plastically deform without fracturing when subjected to high-stress impacts. This property is essential for materials that will be exposed to sudden forces or shocks, such as in automotive, aerospace, and structural applications. Understanding impact toughness (冲击韧性) allows engineers to select appropriate materials that can withstand extreme conditions, thereby ensuring safety and durability.The significance of impact toughness (冲击韧性) cannot be overstated. For instance, in the automotive industry, components like bumpers and chassis must be able to endure collisions without shattering. If these parts lack sufficient impact toughness (冲击韧性), they could fail during an accident, leading to catastrophic results for passengers. Similarly, in construction, steel beams and columns are designed to handle dynamic loads from wind, earthquakes, or impacts from falling objects. Engineers must ensure that the materials selected possess high impact toughness (冲击韧性) to prevent structural failure.Materials with high impact toughness (冲击韧性) often undergo specific treatments or processes to enhance this property. For example, alloying elements such as nickel and manganese can improve the toughness of steel. Additionally, heat treatment processes like quenching and tempering can also increase impact toughness (冲击韧性) by altering the microstructure of the material. These processes help create a balance between strength and ductility, which is crucial for ensuring that materials can endure sudden impacts without breaking.Testing for impact toughness (冲击韧性) is typically done using standardized methods, such as the Charpy or Izod impact tests. These tests involve striking a notched specimen with a pendulum hammer and measuring the energy absorbed during fracture. The results provide valuable data that engineers can use to assess whether a material meets the required specifications for its intended application. A high energy absorption value indicates good impact toughness (冲击韧性), while a low value suggests that the material may be prone to brittle fracture under impact conditions.In conclusion, impact toughness (冲击韧性) is an essential characteristic that influences the performance and safety of materials used in various industries. By understanding and evaluating this property, engineers can make informed decisions about material selection, ensuring that structures and components can withstand unexpected forces. As technology continues to advance, the development of new materials with enhanced impact toughness (冲击韧性) will play a vital role in improving the safety and reliability of products across multiple sectors.

冲击韧性是材料的一个关键特性，特别是在工程和建筑应用中。它指的是材料在受到高应力冲击时吸收能量和塑性变形而不发生断裂的能力。这一特性对于那些将暴露于突然力量或冲击的材料至关重要，例如在汽车、航空航天和结构应用中。理解冲击韧性（impact toughness）使工程师能够选择合适的材料，以承受极端条件，从而确保安全和耐用性。冲击韧性（impact toughness）的重要性不容小觑。例如，在汽车工业中，保险杠和底盘等组件必须能够承受碰撞而不破裂。如果这些部件缺乏足够的冲击韧性（impact toughness），它们可能会在事故中失效，导致乘客遭受灾难性后果。同样，在建筑中，钢梁和柱子被设计成能够承受来自风、地震或坠落物体的动态荷载。工程师必须确保所选材料具有高冲击韧性（impact toughness），以防止结构失效。具有高冲击韧性（impact toughness）的材料通常会经过特定的处理或工艺来增强这一特性。例如，镍和锰等合金元素可以改善钢的韧性。此外，淬火和回火等热处理工艺也可以通过改变材料的微观结构来提高冲击韧性（impact toughness）。这些工艺有助于在强度和延展性之间创造平衡，这对于确保材料能够承受突然冲击而不破裂至关重要。对冲击韧性（impact toughness）的测试通常采用标准化的方法，例如夏比冲击试验或伊佐德冲击试验。这些测试涉及用摆锤锤击带缺口的试样，并测量断裂过程中吸收的能量。结果提供了工程师可以用来评估材料是否符合其预期应用所需规格的宝贵数据。高能量吸收值表明良好的冲击韧性（impact toughness），而低值则表明材料在冲击条件下可能容易发生脆性断裂。总之，冲击韧性（impact toughness）是影响各种行业中材料性能和安全性的一个基本特性。通过理解和评估这一特性，工程师能够就材料选择做出明智的决策，确保结构和组件能够承受意外的力量。随着技术的不断进步，开发具有增强冲击韧性（impact toughness）的新材料将在提高多个领域产品的安全性和可靠性方面发挥重要作用。