1. ZHANG You-yu. Discussion on National Technology of Large Diameter Pipe Bending [J]. Natural Gas and Oil, 2000, 18(3): 32–33 (in Chinese).
2. McLane J C. Field Bending Large Diameter Insulated Pipe [J]. Pipe Line Industry, 1985, 62(4): 37–40.
3. Asao H, Okada K, Fujishima S, et al. Numerical Analysis of Bending Force in Tube Bending Using Frequency Induction Heating-Investigation of Metal Forming Local Heating [J]. I J JSTP, 1987, 28(313): 150–157.
4. Stange R R. Basic Tube Bending Guide [A]. American Society for Metals, eds. 10th ASM Conference on Advances in the Production of Tubes, Bars and Shapes [C]. OH, USA: ASM International, 1987. 91–100.
5. WANG Zu-tang, HU Zhong. Theory of Pipe-Bending to a Small Bend Radius Using Induction Heating [J]. J Mater Proc Technol, 1990, 21(3): 275–284.