martens' extensometer

简明释义

马登斯伸长计

英英释义

例句

1.In our materials lab, we frequently rely on the martens' extensometer for precise elongation measurements.

在我们的材料实验室，我们经常依赖马滕斯扩展计进行精确的伸长测量。

2.The results from the martens' extensometer indicated a significant increase in material ductility.

来自马滕斯扩展计的结果表明材料的延展性显著提高。

3.The engineer used the martens' extensometer to measure the strain in the steel samples.

工程师使用马滕斯扩展计来测量钢样品的应变。

4.The martens' extensometer is essential for testing the tensile strength of polymers.

测试聚合物的抗拉强度时，马滕斯扩展计是必不可少的。

5.During the experiment, the technician calibrated the martens' extensometer to ensure accurate readings.

在实验期间，技术员校准了马滕斯扩展计以确保读数准确。

作文

In the field of materials science and engineering, understanding the properties of materials under stress is crucial for various applications. One of the essential tools used to measure these properties is the martens' extensometer, a device specifically designed to gauge the deformation of materials when subjected to tensile forces. The martens' extensometer is named after the German engineer and scientist, Adolf Martens, who contributed significantly to the field of material testing. This instrument allows engineers and researchers to obtain accurate measurements of elongation and strain, which are vital for determining a material's mechanical properties such as tensile strength, ductility, and elasticity.The martens' extensometer operates by attaching itself to the specimen being tested. As the material is pulled apart, the extensometer measures the distance between two points on the sample. This distance change is then translated into a strain measurement, which can be plotted against stress to create a stress-strain curve. This curve is essential for understanding how a material behaves under various loading conditions. For instance, it can reveal whether a material will yield, fracture, or exhibit elastic behavior before reaching its breaking point.One of the significant advantages of using a martens' extensometer is its ability to provide precise measurements even at very small strains. This precision is critical in research and development environments where new materials are being tested for innovative applications. For example, in the aerospace industry, where materials must withstand extreme conditions, understanding their mechanical properties through accurate testing is paramount. The martens' extensometer helps engineers ensure that the materials they choose will perform reliably in such demanding environments.Moreover, the martens' extensometer is versatile and can be used with various materials, including metals, polymers, and composites. Each of these materials has unique properties that can be analyzed using this tool. For instance, metals often exhibit different behaviors compared to polymers when subjected to tensile stress. By utilizing the martens' extensometer, researchers can gain insights into these differences, leading to better material selection and application in engineering designs.In conclusion, the martens' extensometer is an invaluable tool in the realm of materials testing. Its ability to accurately measure strain and deformation under tensile stress provides critical data that informs the development and application of materials across various industries. Whether in aerospace, automotive, or construction, understanding material properties through the use of a martens' extensometer ensures that engineers can design safer and more efficient structures and products. As technology advances, the role of such precise measuring instruments will only become more significant, highlighting the importance of the martens' extensometer in modern engineering and materials science.

在材料科学和工程领域，理解材料在应力下的特性对各种应用至关重要。用于测量这些特性的基本工具之一是martens' extensometer，这是一种专门设计用于测量材料在受拉力时变形的设备。martens' extensometer以德国工程师和科学家阿道夫·马滕斯的名字命名，他对材料测试领域做出了重要贡献。该仪器使工程师和研究人员能够获得准确的延伸和应变测量，这对于确定材料的机械性能（如抗拉强度、延展性和弹性）至关重要。martens' extensometer通过将其附加到被测试的样本上进行操作。当材料被拉开时，测量仪测量样本上两个点之间的距离。这个距离变化被转化为应变测量，可以绘制成应力-应变曲线。这条曲线对于理解材料在不同加载条件下的行为至关重要。例如，它可以揭示材料在达到断裂点之前是否会屈服、断裂或表现出弹性行为。使用martens' extensometer的一个显著优势是它能够提供即使在非常小的应变下也能进行精确测量。这种精确性在研发环境中至关重要，在这些环境中，新材料正在被测试以用于创新应用。例如，在航空航天工业中，材料必须承受极端条件，通过精确测试了解其机械性能是至关重要的。martens' extensometer帮助工程师确保他们选择的材料在如此苛刻的环境中表现可靠。此外，martens' extensometer具有多功能性，可以与各种材料一起使用，包括金属、聚合物和复合材料。这些材料中的每一种都有独特的特性，可以通过这种工具进行分析。例如，金属在受到拉伸应力时通常表现出与聚合物不同的行为。通过利用martens' extensometer，研究人员可以深入了解这些差异，从而导致更好的材料选择和工程设计中的应用。总之，martens' extensometer是材料测试领域中不可或缺的工具。它准确测量应变和受拉应力下的变形的能力提供了关键数据，这些数据为各行业材料的开发和应用提供了信息。无论是在航空航天、汽车还是建筑领域，通过使用martens' extensometer理解材料特性确保工程师能够设计出更安全、更高效的结构和产品。随着技术的进步，这种精确测量仪器的作用只会变得更加重要，突显了martens' extensometer在现代工程和材料科学中的重要性。