Experimental and numerical analysis of rotary tube piercing process for producing thick-walled tubes of nickel-base superalloy

Zhang, Zhe; Dong, Lu; Zhang, Runqiang; Yu, Yanlong; Pang, Yuhua; Wang, Jianguo; Wang, Hai

doi:10.1016/j.jmatprotec.2019.116557

Cited by 11 publications

(3 citation statements)

References 14 publications

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“…The in uence of different plug advances on the tubular billets was analyzed through simulation [22]. Furthermore, through production testing, the feed angle and plug advance parameters were optimized to ensure the production of quali ed tubular billets using the TRPP [23].…”

Section: Introductionmentioning

confidence: 99%

Technology Optimization Analysis of Three-Roll Rotary Piercing Process for Seamless Steel Pipe

Liu,

Li,

Gui

et al. 2024

JOM

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A three-roll rotary piercing process (TRPP) with severe plastic deformation was conducted to fabricate stainless steel seamless tubes with high mechanical properties. To address production issues such as Front stuck (FS) -where the front end of the tube blank cannot be accessed, Back stuck (BS) -where the back end of the tube blank cannot be penetrated, and steelheaping, the process parameters were optimized through simulation and testing in this study. Additionally, a new structure for the three-roll piercing machine was designed and developed. The changes in roll feed angle and plug advance were systematically analyzed for defects in the tubular billet. Numerical simulations of the TRPP were performed using commercially available FEM software (Simufact Forming) to analyze the stress, strain, and temperature distributions in the pierced tubes. Experimental analysis was conducted on seamless tubes with different diameter defects, leading to the discovery of optimal rules. Based on the experimental and numerical investigations, it was found that optimizing plug advance and roll feed angle can enhance the forming quality of the tubes.

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Section: Introductionmentioning

confidence: 99%

Technology Optimization Analysis of Three-Roll Rotary Piercing Process for Seamless Steel Pipe

Liu,

Li,

Gui

et al. 2024

JOM

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“…With this aim, a finite element method (FEM) model of the CPE process was developed to analyze the deformation conditions, and experiments were performed afterward to conclude that the resulting bimodal structure is influenced by reduction rate and rolling speed. In a posterior study, the CPE of nickel alloys [25,26] was assessed by developing FEM simulations of the process. From the simulation results, a set of optimum process parameters to control the external separation layer defect in thick-walled tubes was proposed.…”

Section: Introductionmentioning

confidence: 99%

Microstructural and Mechanical Analysis of Seamless Pipes Made of Superaustenitic Stainless Steel Using Cross-Roll Piercing and Elongation

Murillo-Marrodán,

Gamin,

Kaputkina

et al. 2023

JMMP

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The cross-roll piercing and elongation (CPE) is a forming process performed at high temperatures and high strain rates. The final product quality is strongly dependent on its microstructure. In this study, a finite element method (FEM) model was developed to better understand plastic deformation effects on microstructure during CPE and to analyze alternative thermo-mechanical processing routes. Specific models were used to simulate dynamic and meta-dynamic recrystallization (DRX and MDRX) for the processing of superaustenitic stainless steel (SASS). In addition, the CPE of SASS was investigated experimentally. The microstructure, mechanical properties, and chemical changes of the final product were assessed using optical microscopy, hardness testing, X-ray diffraction, and SEM-EDS. The results revealed higher temperatures and strain rates in the exterior area of the shell after piercing, and MDRX occurred in the whole thickness. However, an average grain size reduction of 13.9% occurred only in the shell middle and inner diameters. During elongation, the highest values of the strain rate and DRX were observed in the inner region, exhibiting a grain size reduction of 38%. Spread in terms of grain size and grain shape anisotropy was found to be less accentuated for tube samples as compared to the pierced shells.

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“…Zhang et al 18,19 claimed the RTP is feasible for titanium alloy tube with a bi-modal microstructure. Thus, the FE model was carried out via the cone type roll.…”

Section: Introductionmentioning

confidence: 99%

Study of the rollers geometry effects in rotary tube piercing and wear analyses of mandrel according to the finite element method

Darki

Raskatov

2021

Proceedings of the Institution of Mechanical Engineers, Part E:

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The rotary tube piercing (RTP) is the first process of making the seamless tube after producing the desired alloy ingot. There are several approaches to manufacture a seamless tube, but one of the most common types is RTP. This approach covers a wide range of processes that are categorized according to the number and shape of the rollers. On the other hand, each of these types has designed guides in the output and input of the piercing process. In this paper, a new design of the input guide for four types of rollers have been examined and simulated. Thus, four specimens including Diescher and Conical rollers were considered, with the different number of rollers. Results including torque, total force, mandrel wear, temperature distribution, and strain were extracted using FEM simulation. In order to the validation of simulation, the total force and oscillations of applied force within the process have been compared with the experimental results. The results obtained through this simulation, are more in line with the empirical results obtained from previous research. As well as, the FEM simulation confirmed the performance accuracy of the output and input guides of the RTP process. On the other hand, the results indicate that the three-roller Diescher type with 17° feed angle, has the most suitable arrangement for production of seamless tube.

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Experimental and numerical analysis of rotary tube piercing process for producing thick-walled tubes of nickel-base superalloy

Cited by 11 publications

References 14 publications

Technology Optimization Analysis of Three-Roll Rotary Piercing Process for Seamless Steel Pipe

Technology Optimization Analysis of Three-Roll Rotary Piercing Process for Seamless Steel Pipe

Microstructural and Mechanical Analysis of Seamless Pipes Made of Superaustenitic Stainless Steel Using Cross-Roll Piercing and Elongation

Study of the rollers geometry effects in rotary tube piercing and wear analyses of mandrel according to the finite element method

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