Experimental research of fatigue crack development in a rectangular plate
The article presents the results of the experimental study of vibration parameters of rectangular plates with fatigue cracks loaded in their plane by a cyclically changing bending moment. The description of the original experimental stand where a cyclic load is created by means of a rotating disc installed with an eccentricity is given. Roller guides are installed between the disc and the plate to prevent wear of the plate during the loading. A high correlation of vibration signals obtained from sensors mounted directly on the plate near a crack and on the basis of the experimental stand is shown. It is concluded that for the further analysis of a technical condition of a plate it is possible to use a signal from the gauge mounted outside a plate. The results of the study can be useful for diagnosing plates if the crack in them cannot be detected visually due to the complexity of access to it.
 Matveev V.V. Problemyprochnosti - Strength of Materials, 2004, no. 5, pp. 5-22.
 Ismail A.E., Ariffin A.K., Abdullah S., Ghazali M.J., Daud R. Advanced Materials Research, 2011, vol. 214, pp. 192-196.
 Stoisser C.M., Audebert S. Mechanical Systems and Signal Processing, 2008, vol. 22, pp. 818-844.
 Kazymov R.M. Poperechnyy izgib izotropnoy plastiny s periodicheskim ryadom krugovykh otverstiy i pryamolineynykh treshchin [The transverse bending of an isotropic plate with a periodic row of circular holes and rectilinear cracks]. Sbornik nauchnykh trudov "Dinamika i prochnost mekhanicheskikh system" [Collection of scientific papers "Dynamics and strength of mechanical system"]. Baku, Elm Publ., 1999, pp. 67-72.
 Obodan N.I., Bogachev A.S., Shulga A.S. Diagnostika mekhanicheskikh system po kosvennym izmereniyam s pomoshchyu neyronnoy seti [Diagnostics of mechanical systems by indirect measurements using a neural network]. Proceedings of the XII conference "Theoretical Foundations of Civil Engineering". Warsaw, 2004, pp. 783-788.
 Zakharov M.N., Nasonov V.A. Izvestiya vysshikh uchebnykh zavedeniy. Mashinostroenie - Proceedings of Higher Educational Institutions. МаМт Building, 2014, no. 2, pp. 65-71.
 Serebryakov N.N. Dvigatel - Engine, 2011, no. 6 (78), pp. 22-23.
 Bersenevich V.I. Vestnik nauchno-tekhnicheskogo razvitiya - Bulletin of Science and Technical Development, 2009, no. 12 (28), pp. 12-19.
 Bulatova A.Z., Zakharov M.N., Morozov E.M. Zavodskaya laboratoriya - Factory Laboratory, 2010, no. 3, pp. 41-46.
 Zhidkov A.B. Vibrodiagnostika otvetstvennykh metallokonstruktsiy [Vibrodiagnostics of critical metal structures]. IX Mezhdunarodnaya nauchno-prakticheskaya Internet-konferentsiya "Nauka v informatsionnom prostranstve". Lugansk, 10-11 oktyabrya 2013 [IX International Scientific and Practical Internet Conference "Science in the Information Space". Lugansk October 10-11, 2013]. Available at: http://www.confcontact.com/2013-nauka-v-informatsionnom-prostranstve/tn3_zhidkov.htm (accessed August 21, 2017).
 Tikhomirov V.M., Surovin P.G. Prikladnaya mekhanika i tekhnicheskaya fzika - Journal of Applied Mechanics and Technical Physics, 2004, no. 1 (45), pp. 135-142.
 Dyshel M.Sh. Prikladnaya mekhanika - Applied Mechanics, 1984, no. 3, pp. 108-110.
 Orlova M.A. Issledovanie napryazhenno-deformirovannogo sostoyaniya i razrabotka metodiki rascheta izgibaemykh zhelezobetonnykh elementov s uchetom vliyaniya nachalnykh treshchin. Diss. ... cand. tekhn. nauk [Research of the stress-strain state and development of a technique for calculating the bent ferro-concrete elements considering the effect of initial cracks. Cand. eng. sc. diss.]. Moscow, 2016, 165 p.