Academic literature on the topic 'Non-isothermal forming'

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Journal articles on the topic "Non-isothermal forming"

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Ding, Yi, Xiang Jun Liu, Yu Qin Guo, and Wei Chen. "Warm Forming Simulation of Dual-Phase Steel Tailor-Welded Blanks Based on Thermo-Mechanical Coupled Method." Advanced Materials Research 291-294 (July 2011): 494–98. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.494.

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A thermo-mechanical coupled finite element model for warm forming of dual-phase steel (DP) laser tailor-welded blanks (TWBs) was established based on ABAQUS software. The isothermal deep drawing of rectangular cups at elevated temperatures and the non-isothermal deep drawing at the temperature of 400°C were simulated. The distributions of temperature and differences between the isothermal and non-isothermal conditions were discussed. The results show that the temperature has great effect on the warm forming of DP-TWBs, and it achieves the best formability at the forming temperature of 400°C, a
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Kim, Hong Seok, Muammer Koc, and Jun Ni. "Determination of Proper Temperature Distribution for Warm Forming of Aluminum Sheet Materials." Journal of Manufacturing Science and Engineering 128, no. 3 (2005): 622–33. http://dx.doi.org/10.1115/1.2162913.

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In warm forming of aluminum sheet materials, determination, realization, and maintenance of optimal temperature gradient is a key process parameter for increased formability. In this study, a two-phase procedure for efficient and accurate determination of proper temperature condition for warm forming of aluminum sheet metal blanks is presented using a hybrid 3D isothermal/non-isothermal finite element analysis (FEA) and design of experiments (DOE) approach. First, the relative trend, priority and overall temperature ranges of aluminum sheet metal blank regions are obtained using isothermal FE
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Wu, Xintong, Lihua Zhan, Youliang Yang, Yongqian Xu, Qiliang Zhang, and Xiaobo Yang. "Effects of Specimen Thickness and Non-Isothermal Process on Creep Behavior of AA2024 Aluminum Alloy." Metals 13, no. 2 (2023): 409. http://dx.doi.org/10.3390/met13020409.

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Fiber metal laminate (FML) is a kind of lightweight material that has garnered much attention in recent years due to its excellent properties under tensile, flexure, and impact conditions. However, little attention has been paid to the evolution of aluminum alloy during the FML forming process. In this paper, the effects of specimen thickness and the non-isothermal process on creep behavior of AA2024 aluminum alloy, which is generally used in FMLs, were systematically studied in terms of creep strain, mechanical properties, and microstructure. The results show that the microstructure and mecha
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T. Mayavan. "Artificial Neural Networks to the Analysis of AISI 304 Steel Sheets through Limiting Drawing Ratio Test." Journal of Electrical Systems 20, no. 3 (2024): 1161–68. http://dx.doi.org/10.52783/jes.3463.

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Drawbeads are employed in the formation of intricately shaped draw pieces to modify the stress state in specific areas of the drawpiece or to equalize the material's flow resistance along its perimeter. A unique drawbead simulator for calculating the factor of friction on the drawbead is presented in this article. The objective of this manuscript is to employ artificial neural networks (ANNs) to comprehend the impact of the primary friction process parameters, namely sample orientation concerning the rolling direction of the steel sheets, counter-sample surface roughness, and lubricant conditi
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Sae-Eaw, Nuttakorn, Mahathep Sukpat, and Yingyot Aue-u-Lan. "Investigation of Thermal Effect on Hot Forging Process of Yoke Flange by Finite Element Modeling." Key Engineering Materials 728 (January 2017): 54–59. http://dx.doi.org/10.4028/www.scientific.net/kem.728.54.

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Finite Element Modeling (FEM) has been employed widely to analyze material flow behavior and identify potential defects in a hot forging process before try-out. Normally, the isothermal assumption should be used to simulate this process because the forming time was extremely shot around 0. 5 s – 1 s due to a high velocity of a press machine. However, in some cases when the contact pressure and contact area are extremely high, the heat could significantly dissipate to the forming dies. In case of Yoke flange simulation the isothermal condition could not be used to identify the defect as occurri
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Liu, Jun, Ming Jen Tan, Sylvie Castagne, and Samuel C. V. Lim. "An Optimized Sheet Metal Forming Process Using Non-Isothermal Heating System." Advanced Materials Research 500 (April 2012): 385–90. http://dx.doi.org/10.4028/www.scientific.net/amr.500.385.

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The process parameters used in the hybrid superplastic forming have been optimized. Since the hybrid process was a combination of hot drawing and gas blow forming, the effects related with the two forming phases were taken into account to facilitate the process design. The punch shape has been modified. A two-stepped punch in accordance with the die geometry with length of 43 mm was used in this work. Finite element modeling (FEM) was carried out to detect the low-plastic-strain areas, where the materials would have capabilities to be deformed more as the temperature increased. The non-isother
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Camberg, Alan A., Tobias Erhart, and Thomas Tröster. "A Generalized Stress State and Temperature Dependent Damage Indicator Framework for Ductile Failure Prediction in Heat-Assisted Forming Operations." Materials 14, no. 17 (2021): 5106. http://dx.doi.org/10.3390/ma14175106.

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Heat-assisted forming processes are becoming increasingly important in the manufacturing of sheet metal parts for body-in-white applications. However, the non-isothermal nature of these processes leads to challenges in evaluating the forming limits, since established methods such as Forming Limit Curves (FLCs) only allow the assessment of critical forming strains for steady temperatures. For this reason, a temperature-dependent extension of the well-established GISSMO (Generalized Incremental Stress State Dependent Damage Model) fracture indicator framework is developed by the authors to predi
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Ma, Xinwu. "SHAPE OPTIMIZATION DESIGN FOR PREFORM DIE IN NON-ISOTHERMAL METAL FORMING." Chinese Journal of Mechanical Engineering 39, no. 05 (2003): 145. http://dx.doi.org/10.3901/jme.2003.05.145.

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Liu, Dong, Jiangping Ding, Xinyu Fan, Xinyao Lin, and Yingdan Zhu. "Non-isothermal forming of glass fiber/polypropylene commingled yarn fabric composites." Materials & Design 57 (May 2014): 608–15. http://dx.doi.org/10.1016/j.matdes.2014.01.027.

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Lee, Chung An, Myoung-Gyu Lee, Oh Suk Seo, Ngoc-Trung Nguyen, Ji Hoon Kim, and Heon Young Kim. "Cyclic behavior of AZ31B Mg: Experiments and non-isothermal forming simulations." International Journal of Plasticity 75 (December 2015): 39–62. http://dx.doi.org/10.1016/j.ijplas.2015.06.005.

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Book chapters on the topic "Non-isothermal forming"

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Chen, Q. J., D. D. Wei, X. L. Zhou, J. W. Yan, X. Z. Hua, and Y. L. Ai. "Non-isothermal Crystallization Kinetics of Fe41Co7Cr15Mo14Y2C15B6 Bulk Amorphous Alloy." In Fe-Based Amorphous Alloys with High Glass Forming Ability. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3932-8_12.

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Asgharzadeh, Amir, Sobhan Alah Nazari Tiji, Taejoon Park, and Farhang Pourboghrat. "Non-isothermal Modeling of Static Recrystallization in Hydroformed Steel Tube Using a Coupled Cellular Automata and Finite Element Model." In Forming the Future. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_157.

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Zhu, Wenfeng, Guoliang Wang, Chun Xu, and Xiaojuan Li. "Effect of Cooling Rate on Microstructure Evolution of Hot Forming High Strength Steel Based on Non-Isothermal Constitutive Model." In Lecture Notes in Electrical Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8506-2_52.

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Savin A., Fava J., Spinosa C., et al. "Study of the Reverse Martensitic Transformation Using Non-Destructive Electromagnetic and Materials Characterization Techniques." In Studies in Applied Electromagnetics and Mechanics. IOS Press, 2017. https://doi.org/10.3233/978-1-61499-767-2-67.

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The deformation-induced phase transformation hardening phenomenon is normally observed in austenitic stainless steels of the AISI 300 series. The amount of hardening is limited by the structural stability of the material. In fact, during the cold forming process, low nickel austenitic stainless steels can undergo deformation-induced phase transformation of fcc gamma-austenite to bcc alpha'-martensite (DIM). On the other hand, by heat treatments, the austenitic structure can be recovered. The reversion of martensite to austenite is studied on a set of austenitic stainless steel specimens (AISI 316). These had been submitted to 63% deformation at a temperature of (−70°C), followed by isochronic, isothermal heat treatments at temperatures between 200 and 900°C. The reversion of martensite in the specimens is studied by optical and electron microscopy, saturation magnetization and electromagnetic non-destructive (ND) methods (conductivity measurements, Feritscope, and permeability evaluation by eddy currents (EC)). A new calibration curve for the assessment of α' phase with Feritscope is presented. The results obtained with the different techniques are compared and discussed.
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Conference papers on the topic "Non-isothermal forming"

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Kim, Jihun, Youngwook P. Seo, Yongsok Seo, and Soon Man Hong. "Non-isothermal Crystallization Behaviors of HDPE/MWCNT Nanocomposites." In THE 14TH INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2011. AIP, 2011. http://dx.doi.org/10.1063/1.3589607.

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Vu, Anh-Tuan, Holger Kreilkamp, Bharathwaj Janaki Krishnamoorthi, Olaf Dambon, and Fritz Klocke. "A hybrid optimization approach in non-isothermal glass molding." In ESAFORM 2016: Proceedings of the 19th International ESAFORM Conference on Material Forming. Author(s), 2016. http://dx.doi.org/10.1063/1.4963428.

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Liu, Jun, Ming-Jen Tan, Sylvie Castagne, et al. "Finite Element Modeling of a Non-Isothermal Superplastic-Like Forming Process." In INTERNATIONAL CONFERENCE ON ADVANCES IN MATERIALS AND PROCESSING TECHNOLOGIES (AMPT2010). AIP, 2011. http://dx.doi.org/10.1063/1.3552472.

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Kaya, Serhat, and Taylan Altan. "Advantages of Servo Presses in Metal Forming With a Focus on Warm Forming of Sheets." In ASME 2010 International Manufacturing Science and Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/msec2010-34208.

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Servo presses are recently introduced metal forming machinery and they are in many ways, a hybrid of mechanical and hydraulic presses. They are designed to combine the strengths of conventional mechanical and hydraulic presses, and at the same time to minimize their constraints. The advantages of servo presses in metal forming technology are discussed briefly. Advantages they offer in warm forming are discussed more in detail and demonstrated experimentally. By using the flexibility that the servo press offers, the effect of contact pressure on temperature change and surface roughness of alumi
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Hu, P., M. H. Dai, L. Ying, D. Y. Shi, K. M. Zhao, and J. D. Lu. "Numerical investigation for formability of aluminum 6016 alloy under non-isothermal warm forming process." In THE 11TH INTERNATIONAL CONFERENCE ON NUMERICAL METHODS IN INDUSTRIAL FORMING PROCESSES: NUMIFORM 2013. AIP, 2013. http://dx.doi.org/10.1063/1.4806862.

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Noder, Jacqueline, Sante DiCecco, Clifford Butcher, and Michael Worswick. "Finite element simulation of non-isothermal warm forming of high-strength aluminum alloy sheet." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE OF GLOBAL NETWORK FOR INNOVATIVE TECHNOLOGY AND AWAM INTERNATIONAL CONFERENCE IN CIVIL ENGINEERING (IGNITE-AICCE’17): Sustainable Technology And Practice For Infrastructure and Community Resilience. Author(s), 2017. http://dx.doi.org/10.1063/1.5008097.

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Panicker, Sudhy S., and Sushanta Kumar Panda. "Improvement in Material Flow During Non-Isothermal Warm Deep Drawing of Non-Heat Treatable Aluminum Alloy Sheets." In ASME 2016 11th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/msec2016-8756.

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Automotive industries are very much interested in implementing warm forming technology for fabrication of light weight auto-body panels using aluminum alloys without localized thinning or splitting. A non-heat treatable and low formable AA5754-H22 aluminum alloy sheet was selected in the present work, and a laboratory scale warm deep drawing test set-up and process sequences were designed to improve material flow through independent heating of punch and dies. Significant enhancement in cup depth was observed when the temperature of punch and dies were set to 30°C and 200°C respectively. Thermo
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Zinet, Matthieu, Rabie El Otmani, M’hamed Boutaous, and Patrice Chantrenne. "A Numerical Model for Non-Isothermal Flow Induced Crystallization in Thermoplastic Polymers." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12122.

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In industrial forming processes such as extrusion or injection molding, polymeric materials experience severe thermomechanical conditions: high pressure, high deformation rates, very fast cooling kinetics and important temperature gradients. In semi-crystalline thermoplastics, such as polypropylene, these phenomena have a major influence on the crystallization occurring during cooling, which determines the final microstructure. Predicting the solidified part properties by numerical simulation requires the implementation of a crystallization kinetics model including both the thermally and flow
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Joppich, Tobias, Dominik Doerr, Leonie van der Meulen, Tobias Link, Benjamin Hangs, and Frank Henning. "Layup and process dependent wrinkling behavior of PPS/CF UD tape-laminates during non-isothermal press forming into a complex component." In ESAFORM 2016: Proceedings of the 19th International ESAFORM Conference on Material Forming. Author(s), 2016. http://dx.doi.org/10.1063/1.4963568.

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Ershov, S., E. Subbotin, and A. Scherbinin. "RESEARCH OF THE PROCESSES OF NON-ISOTHERMAL FLOW OF MELTING OF A PROPYLENE BLOCKOPOLYMER WITH ETHYLENE IN THE CABLE HEAD CHANNEL." In PROBLEMS OF APPLIED MECHANICS. Bryansk State Technical University, 2020. http://dx.doi.org/10.30987/conferencearticle_5fd1ed0472d3a2.62150390.

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The article is devoted to the numerical study of the processes of nonisothermal melt flow of a block copolymer of propylene with ethylene in the channels of the forming tool of cable heads when two-layer insulation is applied. The influence of technological parameters on the fields of speeds and temperatures is determined
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