Diamond compact thermal stability detection system and detection method thereof
A technology of diamond composite sheet and thermal stability, applied in the direction of material thermal expansion coefficient, etc., can solve the problems of thermogravimetric differential thermal analyzer, complicated operation of equipment, low efficiency, etc., to reduce detection cost, convenient and efficient operation, and efficient detection means Effect
Pending Publication Date: 2021-04-02
LIAOCHENG CHANGRUN COMPOSITE MATERIAL CO LTD
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Problems solved by technology
[0004] The object of the present invention is to provide a thermal stability detection system and detection method of a diamond composite sheet, to solve the disadvantages of thermal grinding detection in the above-mentioned background technology that the detection conditions cannot be kept consistent, and it is easy to cause dust pollution; The operation of the analyzer equipment is complicated, the efficiency is low, and it is not suitable for the routine detection of diamond composite products by enterprises
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[0027] Example: Detecting 1 grain of 1613 type diamond composite sheet:
[0028] Step 1: When working, pass an inert gas into the inert heating zone of the composite sheet, and under the protection of the inert gas, the central rod 3-5 is close to the 1613 type diamond composite sheet;
[0029] Step 2: As the temperature of the heating furnace 3-3 increases, the detected 1613 type diamond composite sheet gradually expands, and the displacement sensor 3-7 installed at the inner sealing tube 3-2 and the central rod 3-5 is used to measure Relative displacement data, the expansion of the composite sheet 3-4 is reflected to the displacement data acquisition in the temperature control and data acquisition system 2 through the displacement sensor 3-7, and the temperature control and data acquisition system 2 collects it through the temperature measuring line 3-6 at the same time temperature data;
[0030] Step 3: The temperature data and displacement data collected by the temperatur...
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The invention discloses a diamond compact thermal stability detection system and a detection method thereof. The detection system comprises a data processing system, a temperature control and data acquisition system and a temperature generator and measurement mechanism, wherein the data processing system is in communication connection with the temperature control and data acquisition system through a data connection line. The temperature control and data acquisition system is connected with the temperature generator and the measuring mechanism through wires; an outer sealing pipe is arranged outside the inner sealing pipe, a heating furnace is arranged outside the outer sealing pipe, an air inlet is formed in the upper portion of the rear side of the outer sealing pipe, a center rod is arranged in the middle of the inner sealing pipe, a diamond compact containing area is arranged on the rear side of the center rod, and a temperature measuring line is arranged above the center rod. Thediamond compact thermal stability detection system is convenient and efficient to operate, and a simple, direct and efficient detection means is provided for detecting the thermal stability of the diamond compact and other workpieces; the detection cost is reduced, the economy is good, and the system is suitable for conventional detection of diamond compact products by enterprises.
Description
technical field [0001] The invention relates to the technical field of material thermal stability detection equipment, in particular to a thermal stability detection system and a detection method of a diamond composite sheet. Background technique [0002] The diamond composite sheet is mainly used for oil drilling. The performance of the oil drill bit is largely determined by the performance of the diamond composite sheet. The diamond composite sheet is composed of a diamond polycrystalline layer and a cemented carbide composite. The thermal expansion coefficient of the two materials is very different. Heating is inevitable during drilling. The ambient temperature is high during drilling, and the local heat generation in difficult-to-drill formations is greatly increased, so that the composite sheet is at a higher temperature. After the temperature of the composite sheet rises, the combination of the two materials There will be a lot of stress at the interface, which will gr...
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IPC IPC(8): G01N25/16
CPCG01N25/16
Inventor 许国峰何文嵩林树忠陈卫民崔行宇李长海
Owner LIAOCHENG CHANGRUN COMPOSITE MATERIAL CO LTD