Metal material elastic deformation and plastic deformation demonstration teaching aid and assembly method thereof
A technology of elastic deformation and plastic deformation, applied in the field of demonstration teaching aids, to achieve the effect of compact structure, convenient disassembly and assembly, and convenient mass production
Pending Publication Date: 2020-05-15
HUAIAN COLLEGE OF INFORMATION TECH
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Problems solved by technology
[0025] At present, as far as teaching aids for elastic deformation and plastic deformation of metal materials are concerned, it is a technical blank and a blank in the market.
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[0082] combine Figure 5~Figure 15 It can be seen that a demonstration teaching aid for elastic deformation and plastic deformation of a metal material of the present invention includes a matched half-mold A1 and a half-mold B2, the contact surfaces of the half-mold A1 and half-mold B2 are slidably connected to each other, and the half-molds One side end face of A1 and the corresponding side end face of half-mould B2 form the demonstration surface, and at least one row of metal atomic models 24 parallel to the relative movement direction of half-mould A1 and half-mould B2 is provided on the demonstration surface of said half-mould A1, so At least one row of metal atom models 24 matching the positions of the metal atom models 24 of half-mode A1 is provided on the corresponding demonstration surface of the half-mode B2, and lattice lines are arranged between any two adjacent metal atom models 24 in the same demonstration surface model, the distance between any two adjacent metal...
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The invention discloses a demonstration teaching aid for elastic deformation and plastic deformation of a metal material and an assembly method thereof. According to the invention, one side end surface of a half mold A and the corresponding side end surface of a half mold B form a demonstration surface; at least one row of metal atom models parallel to the relative movement direction of the half mold A and the half mold B are arranged on the demonstration surface of the half mold A; at least one row of metal atom models matched with the metal atom models of the half mold A in position are arranged on the corresponding demonstration surface of the half mold B, and a lattice line model is arranged between any two adjacent metal atom models in the same demonstration surface; a reset device and a positioning device are arranged between the half mold A and the half mold B, and the positioning device is provided with a plurality of positioning positions within the relative sliding range of the half mold A and the half mold B. Known from the above structure, the demonstration teaching aid for the elastic deformation and the plastic deformation of the metal material realizes the specific demonstration of the principle of the elastic deformation and the plastic deformation of the metal from the microscopic perspective of crystal lattices through the action of the teaching aid.
Description
technical field [0001] The invention relates to the technical field of demonstration teaching aids, in particular to a demonstration teaching aid for elastic deformation and plastic deformation of metal materials and an assembly method thereof. Background technique [0002] 1.1 The concept of slippage [0003] There are two modes of plastic deformation, slip and twinning, and plastic deformation is mainly carried out in the mode of slip, and the present invention is only developed for the mode of slip. [0004] The so-called slip is that under the action of external force, one part of the metal crystal slides relative to the other part along a certain crystal direction on a certain crystal plane. The external force acting on the metal crystal can be decomposed into the component force perpendicular to the slip surface and the component force parallel to the slip surface according to the orthogonal decomposition method, see figure 1 as shown in a. Among them, the component...
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IPC IPC(8): G09B23/10
CPCG09B23/10
Inventor 孙少东周锦孙迎远张楼英舒希勇
Owner HUAIAN COLLEGE OF INFORMATION TECH