young's modulus

简明释义

杨氏模量

英英释义

例句

1.The young's modulus 杨氏模量 of a material varies with temperature.

材料的young's modulus 杨氏模量 随温度而变化。

2.The young's modulus 杨氏模量 of steel is significantly higher than that of rubber.

钢的young's modulus 杨氏模量 明显高于橡胶。

3.We need to calculate the young's modulus 杨氏模量 to ensure the beam can support the load.

我们需要计算young's modulus 杨氏模量 以确保梁能够支撑负载。

4.In engineering, a higher young's modulus 杨氏模量 means better load-bearing capacity.

在工程中，更高的young's modulus 杨氏模量 意味着更好的承载能力。

5.The material's young's modulus 杨氏模量 indicates its stiffness.

材料的young's modulus 杨氏模量 表示其刚度。

作文

Young's modulus is a fundamental concept in the field of materials science and engineering. It is defined as the ratio of tensile stress to tensile strain in a material that deforms elastically. This means that when a material is subjected to stretching or compressing forces, it will deform proportionally until the yield point is reached. Beyond this point, permanent deformation occurs. Understanding Young's modulus (杨氏模量) is crucial for engineers and designers because it helps them predict how materials will behave under various loads. In practical applications, Young's modulus (杨氏模量) allows engineers to select appropriate materials for specific uses. For example, in construction, steel has a high Young's modulus (杨氏模量), which means it can withstand significant tension and compression without deforming excessively. This property makes steel an ideal choice for building structures like bridges and skyscrapers. On the other hand, rubber has a low Young's modulus (杨氏模量), which means it can stretch and compress easily, making it suitable for applications like tires and seals where flexibility is essential.The calculation of Young's modulus (杨氏模量) involves measuring the stress (force per unit area) applied to a material and the resulting strain (deformation) it experiences. The formula is given by:Young's modulus (杨氏模量) = Stress / StrainThis equation highlights the linear relationship between stress and strain in the elastic region of the material's behavior. However, not all materials exhibit this linear relationship throughout their entire range of deformation. Some materials may show non-linear behavior, especially when they are subjected to large strains. For instance, metals typically display a linear elastic behavior up to a certain limit, after which they may yield and undergo plastic deformation. In contrast, materials like polymers can exhibit significant non-linear behavior even at relatively low stress levels. Therefore, understanding the context in which Young's modulus (杨氏模量) is applied is essential for accurate predictions of material behavior.Additionally, Young's modulus (杨氏模量) is temperature-dependent, meaning that as temperature increases, the modulus can decrease for some materials. This is particularly important in applications involving varying temperatures, such as aerospace engineering, where materials must maintain their integrity under extreme conditions. In conclusion, Young's modulus (杨氏模量) is a vital property that influences material selection and design in various engineering fields. Its ability to quantify the stiffness of materials allows for better predictions of how they will perform under load. As technology advances and new materials are developed, understanding Young's modulus (杨氏模量) will continue to be essential for engineers and scientists alike, ensuring that structures and products are safe, reliable, and efficient.

杨氏模量是材料科学和工程领域的一个基本概念。它被定义为材料在弹性变形时，拉伸应力与拉伸应变的比率。这意味着，当材料受到拉伸或压缩力时，它会按比例变形，直到达到屈服点。超过这个点后，会发生永久性变形。理解杨氏模量（Young's modulus）对工程师和设计师至关重要，因为它帮助他们预测材料在各种负载下的表现。在实际应用中，杨氏模量（Young's modulus）使工程师能够为特定用途选择合适的材料。例如，在建筑中，钢材具有高杨氏模量（Young's modulus），这意味着它可以承受显著的拉伸和压缩，而不会过度变形。这一特性使得钢材成为建造桥梁和摩天大楼等结构的理想选择。另一方面，橡胶的杨氏模量（Young's modulus）较低，这意味着它可以轻松地拉伸和压缩，适用于轮胎和密封件等需要灵活性的应用。计算杨氏模量（Young's modulus）涉及测量施加在材料上的应力（单位面积上的力）和材料所经历的应变（变形）。公式如下：杨氏模量（Young's modulus）= 应力 / 应变这个方程突出了材料行为的弹性区域内应力与应变之间的线性关系。然而，并非所有材料在整个变形范围内都表现出这种线性关系。有些材料可能表现出非线性行为，特别是在受到大应变时。例如，金属通常在一定限制内显示线性弹性行为，之后可能屈服并经历塑性变形。相比之下，聚合物即使在相对较低的应力水平下也可能表现出显著的非线性行为。因此，理解杨氏模量（Young's modulus）应用的背景对于准确预测材料行为至关重要。此外，杨氏模量（Young's modulus）还与温度有关，这意味着随着温度的升高，对于某些材料，模量可能会降低。这在涉及变化温度的应用中尤为重要，例如航空航天工程，其中材料必须在极端条件下保持其完整性。总之，杨氏模量（Young's modulus）是影响各种工程领域材料选择和设计的重要属性。它能够量化材料的刚度，使得更好地预测它们在负载下的表现成为可能。随着技术的进步和新材料的开发，理解杨氏模量（Young's modulus）将继续对工程师和科学家至关重要，确保结构和产品安全、可靠且高效。