Device and method for testing tensile strength of coating
A tensile strength and testing device technology, applied in the direction of measuring devices, strength characteristics, instruments, etc., can solve the problems of coating damage, low preparation efficiency, inability to guarantee coating consistency, etc., to improve efficiency, simplify processing difficulty, The effect of improving the efficiency of successful trials
Inactive Publication Date: 2011-09-07
XI AN JIAOTONG UNIV
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is: during the coating preparation and test preparation process, the disassembly and assembly of the sample will generate axial torque and bending moment, resulting in damage to the coating; and the preparation efficiency is low, and the coating cannot be guaranteed. consistency of preparation
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[0032] The present invention is described in further detail below in conjunction with accompanying drawing:
[0033] see Figure 1-8 , the coating tensile strength testing device is composed of a deposition assembly, a fixing assembly, and a tensile assembly, and the deposition assembly includes two docking bodies of the same size, namely a first docking body and a second docking body. The abutting bodies are two cylinders without bosses, a loading hole is provided at the center of the cylinders, a pair of symmetrical positioning holes and a pair of symmetrical fastening holes are provided on both sides of the loading hole. The fixing assembly is composed of two positioning pins, two fastening bolts, a positioning rod, two positioning nuts and several positioning sleeves. The positioning rod refers to a long rod with threads at both ends, wherein the threads correspond to the threads on the two fastening nuts. The stretching assembly includes a pair of stretching screw rods ...
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The invention discloses a device and method for testing the tensile strength of a coating. The device comprises a positioning sleeve, a positioning rod, a positioning nut, a deposition assembly, a positioning pin and a fastening bolt, wherein the deposition assembly consists of a first butt joint body and a second butt joint body which have the same shape and size; the center of the first butt joint body is provided with a loading hole; a pair of positioning holes and a pair of fastening holes are symmetrically formed in the outer side of the loading hole; the first butt joint body is connected with the second butt joint body through the positioning pin and the fastening bolt; and the positioning pin passes through positioning holes of the first butt joint body and the second butt joint body. By adopting the device and the method, the processing difficulty of the deposition assembly is lowered, the preparation consistence of coatings on multiple groups of samples can be ensured duringcoating preparation and the sample preparing efficiency is increased. During assembly, the positioning pin is arranged on the positioning hole, and the fastening bolt is arranged on the fastening hole, so that the coating is prevented from being damaged by torque and bending moment during coating preparation and sample preparation, and the testing success rate is increased.
Description
Technical field: [0001] The invention belongs to the coating field and relates to a coating tensile strength testing device. Background technique: [0002] With the improvement of coating preparation technology, more and more coatings are used in industrial production. Tensile strength, as an important indicator of the failure strength of coating materials, is often used to evaluate the performance of coatings. [0003] However, for some coatings, especially some fragile coatings (such as ceramic coatings), torque and bending moments will inevitably be generated on the coating during the process from preparation to installation on the testing machine. The damaged coating will cause certain damage. In severe cases, the coating used for the test has been damaged before the test is started; when the coating is prepared, it takes a lot of manpower and material resources to start the equipment every time. In order to reduce waste To improve efficiency, it is necessary to prepar...
Claims
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IPC IPC(8): G01N3/00
Inventor 宋岩方钦志王铁军颛昕闫渊李建果
Owner XI AN JIAOTONG UNIV