Device for measuring Young modulus of metal wire based on drainage method
A technology of Young's modulus and metal wire, which is applied in the field of devices for measuring the Young's modulus of metal wire based on the drainage method, which can solve the problems of erratic cursor up, down, left, and right, difficult to achieve accurate readings, experimental errors, etc., and achieve accurate readings Stable, easy-to-use, and convenient-to-use effects
Pending Publication Date: 2021-11-02
ZHEJIANG SCI-TECH UNIV
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[0006] However, in the actual measurement process, since the metal wire and the groove code under the metal wire are difficult to keep stable, the projected cursor will be erratic up and down, making it difficult to achieve accurate readings, resulting in experimental errors
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[0022] In order to make this combination device measurement method, technical solutions and advantages will be more apparent, and will be described in detail below with reference to the accompanying drawings and specific examples. In the following description, feature details such as specific devices and components are provided merely to help comprehensively understand the embodiments of the present invention. In addition, in order to clearly and concise, a description of known functions and configurations is omitted.
[0023] It will be understood that "one embodiment" or "one embodiment" mentioned in the specification means that specific features, structures, or characteristics related to the embodiments are included in at least one embodiment of the invention. Therefore, "in one embodiment" or "in one embodiment" in one embodiment will not necessarily refer to the same embodiment. In addition, these specific features, structures, or characteristics can be incorporated in one or...
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The invention relates to the technical field of experimental devices, in particular to a device for measuring Young modulus of a metal wire based on a drainage method, which comprises a base, a parallel connecting rod is fixedly arranged on the base, a top plate is fixedly arranged at one end, far away from the base, of the parallel connecting rod, and the metal wire is hung on the surface of one side, close to the base, of the top plate. A tray is connected to one end, close to the base, of the metal wire, a groove code is placed on the tray, a solid cylinder with uniform thickness is connected to one side, close to the base, of the tray, and a platform is arranged on the parallel connecting rod.The structure is easy to operate, convenient to use, low in cost, not prone to damage and extremely easy to disassemble and assemble; and during use, reading is stable and accurate, and reading errors caused by structural defects of an existing device are greatly reduced.
Description
Technical field [0001] The present invention relates to the technical field of experimental apparatus, and in particular, a device based on a drainage method for measuring a wire Yangyang modulus. Background technique [0002] The original length of the thick metal wire is L, the cross-sectional area is S, after the length of the length of force f, the length of the length change ΔL, the vertical force received on the wire unit area Positive stress, relative elongation of wire Co-strain. The experimental results pointed out that in the resilient range, the positive stress and line of the object body should be changed to the line, ie [0003] [0004] The proportional coefficient y is the Young's elastic modulus, referred to as the Young's modulus. In its characterization of the properties of the material itself, the larger the material, the larger the force required for the unit cross-sectional area required to cause a certain relative deformation. Y's international unit unit...
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IPC IPC(8): G01B5/30G01B5/00
CPCG01B5/30G01B5/0004
Inventor 李忠遇程琳
Owner ZHEJIANG SCI-TECH UNIV