Acoustic emission testing apparatus with acoustic emission sensors built in true triaxial chamber
A technology of acoustic emission sensor and test device, which is applied in the direction of material analysis, instruments, and analysis materials using acoustic emission technology, and can solve the problems of no reports on acoustic emission signal equipment, reduction in the number and energy of acoustic emission events, and signal-to-noise problems. To achieve the effect of realizing authenticity and reliability, improving service life, and ensuring authenticity and reliability
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[0029] The implementation of the present invention will be further described below in conjunction with the accompanying drawings:
[0030] Depend on figure 1It can be seen that the device is mainly composed of T-shaped cavity 1, rubber plug 2, push rod 3, first spring washer 4, second spring washer 5, hard spring 6, miniature screw 7, BNC adapter 8, rock test The sample holder 9, the magnet piece 10, the acoustic emission sensor 11, the acoustic emission signal line 12, the acoustic emission preamplifier 13, the rock sample 14, the terminal 15, the oil cylinder 16 and the disturbance rod 17 are composed of components. An acoustic emission test device with built-in acoustic emission sensor in a true triaxial chamber is realized on a true triaxial electro-hydraulic servo mutagenesis test system (TRW-3000 type), and the rock sample 14 is connected with the rock sample fixture. 9 are collectively regarded as a true triaxial pressure chamber. First, the size and shape of the six ...
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