Material performance testing method and testing tool
A technology of material properties and testing methods, applied in the field of materials, can solve the problems of large amount of superplastic forming/diffusion bonding performance testing, high development costs, and large energy consumption, so as to shorten the performance testing cycle, reduce development costs, and reduce The effect of energy consumption
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[0085] Example 1 :
[0086] The specific technical scheme of superplastic forming performance test is as follows:
[0087] 1. Mold design
[0088] According to the performance of the test material aluminum alloy, the number of channels of the designed mold is 6, each channel of the upper and lower molds is square, and the depths of the lower mold are: 10mm, 20mm, 30mm, 40mm, 50mm and 60mm; A row of sealing stems is individually designed in each channel; a vent hole is designed in each channel of the upper and lower molds, and each vent hole is connected with an air circuit with a pressure reducing valve and an on-off valve to achieve air pressure in each channel individual controls, as shown.
[0089] 2. Mold processing
[0090] According to the mold design drawings, the heat-resistant alloy steel Ni is used 7 N carry out the machining of the mold, and weld the pipeline with the pressure reducing valve and the on-off valve on all the vent holes of the mold.
[0091] 3. ...
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[0099] Example 2 :
[0100] The specific technical scheme of the diffusion connection performance test is as follows:
[0101] 1. Mold design and processing
[0102] The mold is the same as that of the first embodiment.
[0103] 2. Diffusion junction test
[0104] According to the diffusion bonding process flow, the diffusion bonding performance test of different process parameters is carried out. The specific process is as follows:
[0105] 1) Cut the titanium alloy sheet according to the size of the die channel, and carry out pickling; at the same time, seal and weld the sheets two by two, and conduct a vacuum test to ensure that the internal pressure value of the blank after sealing and welding is less than 0.01MPa;
[0106] 2) Install the mold in the furnace, carry out surface cleaning and air tightness inspection, and insert the thermocouple into the mold at the same time; Use the pressure reducing valve to adjust the pressure value of each channel in real time;
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