[1] Maclennan, D., Pettigrew, I. G., & Bird, C. R. (2012, April). Plastic Fantastic?–An NDE inspection solution for HDPE butt welds. In 18 th World Conference in Non-Destructive Testing, Durban, South Africa (pp. 16-20).‏

[2] Bowman, J. (1997). A review of the electrofusion joining process for polyethylene pipe systems. Polymer Engineering & Science, 37(4), 674-691.‏

[3] Hekun, C., Zheng, C., Hong, C., & Yang, F. (2012, April). Ultrasonic phased array inspection on PE pipe heat fusion joints and electr-fusion joints. In 18 th World Conference in Non-Destructive Testing, Durban, South Africa (pp. 16-20).‏

[4] Frederick, C., Porter, A., & Zimmerman, D. (2010). High-density polyethylene piping butt-fusion joint examination using ultrasonic phased array. J. pres. Ves. Tech., 132(5).‏

[5] Shi, J., Zheng, J., & Guo, W. (2011). Formation mechanism of the eigen-line in electrofusion joints of polyethylene pipes. J. pres.. ves. Techno., 133(5).

[6] Maclennan, D., Pettigrew, I. G., & Bird, C. R. (2012, April). Plastic Fantastic?–An NDE inspection solution for HDPE butt welds. In 18 th World Conference in Non-Destructive Testing, Durban, South Africa (pp. 16-20).

[7] Hagglund, F., Robson, M., Troughton, M. J., Spicer, W., & Pinson, I. R. (2014, October). A novel phased array ultrasonic testing (PAUT) system for on-site inspection of welded joints in plastic pipes. In Proceedings of the 11th European Conference on Non-Destructive Testing (ECNDT), Prague, Czech Republic (pp. 6-10).‏ ‏

[8] Zheng, J., Hou, D., Guo, W., Miao, X., Zhou, Y., & Shi, J. (2016). Ultrasonic inspection of electrofusion joints of large polyethylene pipes in nuclear power plants. J. Pres. Ves. Tech., 138(6).

‏[9] Sheng, X., Hou, D., & Zheng, J. (2017, July). Investigation on acoustic propagation of ultrasound in polyethylene pipe used in nuclear power plant. In Pressure Vessels and Piping Conference (Vol. 57946, p. V03AT03A049). American Society of Mechanical Engineers.

 

[13] Miao, C., Qin, Y., Guo, W., An, C., Ling, Z., & Chen, Z. (2019, July). Ultrasonic phased array inspection with water wedge for butt fusion joints of polyethylene pipe. In Pressure Vessels and Piping Conference (Vol. 58974, p.V06AT06A030). American Society of Mechanical Engineers.

[14] Tao, Y. J., Guo, W. C., Miao, C. J., & Shi, J. F. (2020, November). Study on Electrofusion Welding Process Based on Real-time Ultrasonic Phased Array Video Recording. In 2020 IEEE Far East NDT New Technology & Application Forum (FENDT) (pp. 66-70). IEEE.‏

[15] Niu, S., Bellala, V., Qureshi, D. A., & Srivastava, V. (2023). A machine learning method to characterize the crack length and position in high-density polyethylene using ultrasound. arXiv preprint arXiv:2304.11497.‏

[16] Rao, J., Tao, Y., Sun, Y., Miao, C., & Wang, W. (2023). Detection of defects in highly attenuating materials using ultrasonic least-squares reverse time migration with preconditioned stochastic gradient descent. Ultrasonics, 131, 106930.‏

[17] Li, Q., Lu, Q., Chen, Y., Su, J., & Yang, J. (2023). Effect of the ultrasonic phased array on defect detection of HDPE electro-fusion joint. In.  J. Phys.: Conference Series (Vol. 2419, No. 1, p. 012070). IOP Publishing.‏

[18] Muñoz-Rojas, P. A., Kühl, A., Mendonça, P. D., Benvenutti, I. J., & Creus, G. J. (2011). Modeling nonlinear viscoelastic behavior of high density polyethylene (HDPE): Application of stress-time equivalence versus interpolation of rheological properties. In III International Symposium on Solid Mechanics.‏

[19] Ssozi, E. N. (2014). The effect of viscoelastic deformation in pipe cracks on leakage response to variations in pressure (Master's thesis, University of Cape Town).‏

[20] Mosavi, S. S., Mazdak, S., Sheykholeslami, M. R., Sajadi, V. S., & Yousefi, P. (2021). The effects of loading path on process parameters in the free tube forming process. Proceedings of the Institution of Mechanical Engineers, Part B: J. Eng. Manufac., 235(12), 1992-2003.‏

[21] Azar, L., Shi, Y., & Wooh, S. C. (2000). Beam focusing behavior of linear phased arrays. NDT & e International, 33(3), 189-198.‏

[22] Qi, G., Li, Y., & Ding, N. (2019, December). Measurement of acoustic basic parameters of polyethylene pipe. In IOP Conference Series: Materials Science and Engineering (Vol. 677, No. 2, p. 022050). IOP Publishing.‏