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About Journal
Journal:Journal of Plasticity Engineering
Establishment Year:1994
Administrator:China Association for Science and Technology
Sponsor:Chinese Mechanical Engineering Society
Publishing Period:Monthly
CN:11-3449/TG
ISSN:1007-2012
Postal Distribution Code:80-353
Tel.:010-62912592/82415079
E-mail:sxgcxb@263.net
Journal of Plasticity Engineering mainly publishes original research papers of advanced and innovative fundamental research and engineering application in the field of plastic forming and its cross-discipline.
The journal has been included in many important national and international indexing systems such as Core Journals of China, Chinese Science Citation Database(CSCD), Source Journals for Chinese Scientific and Technical Papers and Citations, RCCSE Chinese Core Academic Journals, CSAD, SCOPUS, American Chemistry Abstract(CA), Cambridge Scientific Abstracts(CSA), JST China, etc.
The purpose of Journal of Plasticity Engineering is to enliven the academic ideas, improve the academic theory, strengthen the academic communication, serve for improving the foundation level of domestic plasticity engineering and establish the status of domestic plasticity engineering in world science and technology lineup.
Identification and Treatment of Academic Misconduct
To protect the rights of readers and authors and to maintain the quality and reputation of Journal of Plasticity Engineering, the paper will be rejected and treated accordingly if it is identified as academic misconduct after strictly testing and screening in the process of publication. The specific testing and identifying process and treatment methods are as follows:
Study on determination method for pure shear flow curves of amorphous foils and stacked blanking
LUO Hui-cheng;ZHANG Chen;ZHOU Yao;HU Qi;CHEN Jun;Inspired by adhesive-stacking technology, a parallel epoxy-amorphous foil laminate was proposed to extract the shear flow curves of the amorphous foil. Based on the equal strain assumption of the composite parallel model, the relationship between the single-layer material and the laminate was mapped. Then the pure shear flow curve of the laminate was mapped to the single-layer sheet to solve for its pure shear flow curve. The accuracy of the pure shear flow curve of the amorphous alloy was verified by comparing the finite element simulated results with the experiment results. The approach offers a practical route for solving the pure shear flow curves of single-layer amorphous foils. Furthermore, the threshold in the maximum shear stress ductile fracture criterion was determined by finite element simulation of pure shear fracture curves of the laminates, and blanking fracture in Fe-based amorphous alloy laminates was successfully predicted.
Influence mechanism of crystal orientation on equal channel angular pressing forming of aluminum single crystal
ZHANG Hong-bin;CHEN Yu-qiang;LIU Bei-bei;YUAN Hao;XU Jia-bei;HU Qiang;LIU Wen-hui;In order to investigate the influence mechanism of crystal orientation on the equal channel angular pressing(ECAP) deformation of aluminum single crystals, the texture evolution, dislocation motion and strain hardening behavior of Brass, Copper and S-oriented aluminum single crystals during the pressing process were systematically examined, combining ECAP experiments, crystal plasticity finite element simulations and molecular dynamics simulations. The results show that during ECAP process, aluminum single crystals samples with three orientations experience lattice rotation around the transverse direction(TD) axis and exhibit a tendency to evolve towards an ideal shear texture through dislocation slip mechanisms dominated by Shockley partial dislocations. Additionally, the part of metastable Copper texture further evolves into a more stable Brass orientation. Compared to the Brass and S orientations, the Copper-oriented aluminum single crystal, due to its lower Schmid factor, exhibits a significant delay in the initiation of dislocation slip. For Brass-oriented aluminum single crystals, the entanglement of high-density Shockley dislocations leads to the formation of local forest dislocations, effectively hindering further dislocation slip, resulting in a significant increase in dislocation density and strong strain hardening behavior.
Analysis of roundness of lock head cross-section formed by cold rolling connection of copper/aluminum heterogeneous thin-walled tubes
ZHAO Ren-feng;CAO Xing-chen;ZHAN Lu;LIU Shi-kang;LIU Da-wei;HAO Shi-yu;PANG Chen-cheng;XIAO Xu-dong;In view of the problems such as burn-through, limited material applicability, and high energy consumption in traditional connection methods for copper/aluminum heterogeneous metal tubes, the cold rolling connection process was studied. A set of cold rolling test devices was designed and built, with 6063 aluminum alloy tubes and T2 copper tubes selected as the research objects. The influence laws of key process parameters, including feed velocity, fillet radius of the rolling wheel, feed amount and rotational velocity on the connection forming quality were systematically analyzed. The plastic deformation mechanism during the aluminum/copper heterogeneous tube connection process was revealed through finite element simulation. Through orthogonal experiments and range analysis, the influence degrees of each parameter on the connection quality were clarified, and the influence laws of the main parameters on the forming accuracy were revealed. The results show that reducing the feed velocity, decreasing the fillet radius of the rolling wheel, reducing the radial feed amount, and increasing the rotational velocity can significantly improve the roundness of the cross-section of the interlocking joint.