Scitation Latest Published Articles

FEM analysis of escape capsule suffered to gas explosion

Fri, 17 May 2013 19:15:46 GMT

Chang-lu Li, Rui-bin Mei, Chang-sheng Li, Ban Cai, and Xiang-hua Liu
Escape capsules are new devices for underground coal mines that provide air, water, food and supplies in the event of an emergency in where miners are unable to escape. It is difficult to carry out the experiments of explosion and safety because the danger and nonrepeatability of explosion. The stru ... [AIP Conf. Proc. 1532, 995 (2013)] published Fri May 17, 2013.

Effect of back tension in multi-pass drawing on central bursting defect

Fri, 17 May 2013 19:15:46 GMT

S. W. Lee, M. C. Kim, H. Y. Ryu, and M. S. Joun
In this paper, effect of back tension in multi-pass drawing or wiredrawing on central bursting defect is investigated using finite element predictions of central bursting defect. A rigid-plastic finite element method is employed together with the McClintock damage model. Central bursting defects und ... [AIP Conf. Proc. 1532, 988 (2013)] published Fri May 17, 2013.

Analysis on sheet cyclic plastic deformation using mixed hardening model

Fri, 17 May 2013 19:15:46 GMT

Qun Li, Miao Jin, and Zhu Yuxin
Treating the cyclic deformation problem of sheet flowing through drawbead as the object of the research, using HILL anisotropy yield criterion and mixed hardening model, the cyclic plastic deformation mechanism of sheet was studied, the deformation characteristics of sheet subjected to cyclic loads ... [AIP Conf. Proc. 1532, 982 (2013)] published Fri May 17, 2013.

2D-FEM analysis of rolls temperature field in induction heating process

Fri, 17 May 2013 19:15:45 GMT

Ban Cai, Hao Wang, Ruibin Mei, and Changsheng Li
Hot-roller warm rolling process is expected to achieve a breakthrough in solving the problem of high quality rolling for difficult deformed metals. In this paper roll surface induction heating was studied based on the finite element theory of electromagnetic-thermal coupling and experiment. The law ... [AIP Conf. Proc. 1532, 977 (2013)] published Fri May 17, 2013.

Numerical and experimental studies for the effects of through-the-thickness shear on formability in single point incremental forming

Fri, 17 May 2013 19:15:45 GMT

Dongkai Xu, Rajiv Malhotra, Jun Chen, Bin Lu, and Jian Cao
Single point incremental forming (SPIF) is a die-less sheet metal forming process in which blank sheets are locally deformed by using a generic forming tool moving along a pre-defined trajectory. Compared to conventional sheet forming operations, this technique achieves higher formability, greater p ... [AIP Conf. Proc. 1532, 969 (2013)] published Fri May 17, 2013.

Finite element simulation of conventional and prestressed cutting of Ti6Al4V

Fri, 17 May 2013 19:15:44 GMT

Ruitao Peng, Xinzi Tang, Yuanqiang Tan, and Xiongwei Liu
Titanium alloys are known as difficult-to-machine materials, chip morphology plays a predominant role in determining machinability and tool wear during the machining of titanium alloys. Based on the finite element analysis and experimental validation, the cutting processes in conventional cutting an ... [AIP Conf. Proc. 1532, 962 (2013)] published Fri May 17, 2013.

Numerical analysis of self-pierce riveting of AZ31 magnesium alloy sheets

Fri, 17 May 2013 19:15:44 GMT

S. L. Han, Y. W. Wu, Q. L. Zeng, and Y. Gao
Magnesium alloy sheet has a broad development prospect for lightweight metal in automotive industry. Selfpierce Riveting (SPR) process is a suitable joining technology to fasten materials of different nature. This paper is concerned with the development of numerical models of the SPR process of AZ31 ... [AIP Conf. Proc. 1532, 955 (2013)] published Fri May 17, 2013.

Finite element simulation on thermal mechanical expansion of the automobile rear axle housing

Fri, 17 May 2013 19:15:44 GMT

Hua-min Liu, Yufeng Zhao, and Fuxin Zhi
Mechanical thermal expansion is a new metal processing method, which improved not only the properties of materials and the production efficiency, but also achieves better processing surface quality and comprehensive mechanical properties. Axle housing mechanical thermal expansion is simulated by DEF ... [AIP Conf. Proc. 1532, 949 (2013)] published Fri May 17, 2013.

Models between Barkhausen noise and coercive force of grain-oriented electrical steel

Fri, 17 May 2013 19:15:43 GMT

Hao Wang, Changsheng Li, Ban Cai, Deniz Perin, and Nkwachukwu Chukwuchekwa
Effect of ball scribing on relational models between coercive force and Barkhausen noise of conventional grain-oriented (CGO) and high-permeability grain-oriented (HGO) electrical steel was investigated. Models between two parameters in both CGO and HGO electrical steel were established. The results ... [AIP Conf. Proc. 1532, 944 (2013)] published Fri May 17, 2013.

Numerical modeling and experimental analysis of deformation behaviors during electromagnetic flaring process of thin-walled copper tubes

Fri, 17 May 2013 19:15:43 GMT

Wenyong Luo, Liang Huang, Xianlong Liu, and Jianjun Li
To control thinning is a challenge in traditional flaring process of thin-walled tubes. Electromagnetic forming provides a new way to expand the tubes end with uniform wall thickness, as it can produce a uniform distribution of magnetic force on tubes and easily form by one step based on adjusting t ... [AIP Conf. Proc. 1532, 937 (2013)] published Fri May 17, 2013.

Numerical investigation of viscoelastic flow induced crystallization in polymer processing

Fri, 17 May 2013 19:15:43 GMT

Yue Mu, Guoqun Zhao, Xianghong Wu, and Guiwei Dong
The investigation of viscoelastic flow induced crystallization is of great engineering significance in polymer processing like extrusion, injection and blow molding. In the study, the behavior of viscoelastic flow induced crystallization of semi-crystalline polymers is investigated by using finite e ... [AIP Conf. Proc. 1532, 931 (2013)] published Fri May 17, 2013.

Investigations on numerical simulation of tailored tempering process based on related experiments

Fri, 17 May 2013 19:15:42 GMT

Siying Deng, Guozhe Shen, Ping Hu, Lizhong Liu, and Liang Ying
Tailored tempering process is a strategy to get functional optimized components by controlling cooling rate. Since cooling rate determines the final microstructure and mechanical property, the components with tailored properties can benefit from the regions of low strength and increased ductility fo ... [AIP Conf. Proc. 1532, 924 (2013)] published Fri May 17, 2013.

Effect of die shape on H62 brass forming for continuous extrusion based on numerical simulation research

Fri, 17 May 2013 19:15:42 GMT

Bing Li, Xiangjun Yao, Xinbing Yun, and Baoyun Song
Continuous extrusion extending forming technology has much excellence such as large extending scale, high productivity, energy-saving, low consumption and so on, especially adapts to the products with large dimension, high strength and extra requirement of length. By comparing with traditional techn ... [AIP Conf. Proc. 1532, 918 (2013)] published Fri May 17, 2013.

Numerical prediction of microstructure and mechanical properties for the S-rail with tailored properties

Fri, 17 May 2013 19:15:41 GMT

Shouzhao Lu, Lizhong Liu, Ping Hu, Guozhe Shen, Junzhe Gao et al.
Hot stamped parts are applied widely to reduce the weight and meet safety requirements for new vehicles. It has been noticed, however, that hot stamped parts of fully martensitic transformation lead to a low elongation of about 5%. Hot stamped parts may be enhanced by locally tailoring their mechani ... [AIP Conf. Proc. 1532, 912 (2013)] published Fri May 17, 2013.

Mathematical model for strip surface roughness of stainless steel in cold rolling process

Fri, 17 May 2013 19:15:41 GMT

Jinshan Chen, Changsheng Li, Tao Zhu, Wenlong Han, and Yong Cao
Surface roughness control is one of the most important subjects during producing stainless steel strips. In this paper, under the conditions of introducing to the concepts of transferring ratio and genetic factor and through the further theoretical analysis, a set of theoretical models about strip s ... [AIP Conf. Proc. 1532, 905 (2013)] published Fri May 17, 2013.

Modeling of grain growth behavior of S34MnV steel at elevated temperatures

Fri, 17 May 2013 19:15:41 GMT

Mingyue Sun, Bin Xu, Dianzhong Li, and Yiyi Li
S34MnV steel is widely used as a fundamental material in manufacturing crankshaft in diesel engine. However, due to amount of addition of Manganese element in the steel, coarse grain and mixed grain are commonly observed after long time heating during the forging passes in industrial practice, which ... [AIP Conf. Proc. 1532, 898 (2013)] published Fri May 17, 2013.

Research on formability of Tailor rolled blank in stamping process

Fri, 17 May 2013 19:15:40 GMT

Hua-Wei Zhang, Li-Zhong Liu, Ping Hu, and Xiang-Hua Liu
Tailor Rolled Blank(TRB) is worth studying due to its great development potential for auto body lightweight. The formability of TRB was studied by simulation and experiment. TRB was used for square box forming, and the effects of thickness transition zone(TTZ) position as well as blank size on the f ... [AIP Conf. Proc. 1532, 891 (2013)] published Fri May 17, 2013.

Adaptive mesh optimization for improved one-step forming

Fri, 17 May 2013 19:15:40 GMT

Ping Hu, Mingzeng Liu, Baojun Li, Xiangkui Zhang, and Guozhe Shen
To reduce the simulation time and improve solution accuracy, an adaptive mesh optimization method is proposed for one-step forming simulation of auto-body panels. For a given auto-body part model, the state variables of model, such as thickness, strain and stress, is firstly estimated through one-st ... [AIP Conf. Proc. 1532, 883 (2013)] published Fri May 17, 2013.

Finite element analysis and elimination of wrinkling in auto-body panels based on universal formability technology

Fri, 17 May 2013 19:15:39 GMT

Jie Yan, Xiangkui Zhang, Jianwei Zhang, Ping Hu, and Guojun Zheng
Wrinkling is one of the major defects in forming processes of auto-body panels. This paper focuses on application of universal formability technology to analyze and eliminate wrinkling defect. To analyze refinedly and eliminate efficiently, universal formability technology is introduced into finite ... [AIP Conf. Proc. 1532, 876 (2013)] published Fri May 17, 2013.

A new damping factor algorithm based on line search of the local minimum point for inverse approach

Fri, 17 May 2013 19:15:39 GMT

Yaqi Zhang, Weijie Liu, Fang Lu, Xiangkui Zhang, and Ping Hu
The influence of damping factor on the convergence and computational efficiency of the inverse approach was studied through a series of practical examples. A new selection algorithm of the damping (relaxation) factor which takes into account of both robustness and calculation efficiency is proposed, ... [AIP Conf. Proc. 1532, 870 (2013)] published Fri May 17, 2013.

Numerical simulation on multi-gripper stretch forming process for sheet metal

Fri, 17 May 2013 19:15:39 GMT

Y. Wang, M. Z. Li, H. L. Peng, and S. H. Gu
Multi-gripper stretch forming (MGSF) is a new flexible forming process compared to traditional stretching forming process. Two kinds of MGSF process, back-vertical drawing (BVD) and front-vertical drawing (FVD) are compared in this study. Spherical-curved part is selected as the research object, and ... [AIP Conf. Proc. 1532, 863 (2013)] published Fri May 17, 2013.

FEM simulation for cold press forging forming of the round-fin heat sink

Fri, 17 May 2013 19:15:38 GMT

Kesheng Wang, Yu Han, Haiyan Zhang, and Lihan Zhang
In this paper, the finite element method is used to investigate the forming process of cold press forging for the round-fin heat sink in the automotive lighting. A series of simulations on the round-fin heat sink forming using the program DEFORM were carried out. The blank thickness and friction coe ... [AIP Conf. Proc. 1532, 857 (2013)] published Fri May 17, 2013.

Investigation on forming limit properties of dual phase steel

Fri, 17 May 2013 19:15:38 GMT

Libo Pan, Bernard Rolfe, Alireza Asgari, Matthias Weiss, and Zhijian Zhang
The accurate representation of the forming limit properties in the material model is very important for predicting the onset of failure. In this study, the FLCs for two dual phase steels DP780 and DP600 were experimentally obtained. The FLSCs were derived numerically by setting up stretching models ... [AIP Conf. Proc. 1532, 850 (2013)] published Fri May 17, 2013.

Comparative study on Mannesmann roll piercing processes between Diescher's guiding disk and Stiefel's guiding shoe

Fri, 17 May 2013 19:15:38 GMT

J. M. Cho, B. S. Kim, H. K. Moon, M. C. Lee, and M. S. Joun
In this paper, comparative study on a Mannesmann roll piercing process with respect to supporting equipment including Diescher's guiding disk and Stiefel's guiding plate of shoe is carried out. The same process conditions and geometries except the supporting equipment with those of the roll piercing ... [AIP Conf. Proc. 1532, 843 (2013)] published Fri May 17, 2013.

Transient temperature field simulation for injection mold based on birth and death element technique

Fri, 17 May 2013 19:15:38 GMT

Xi-Ping Li, Bin Wang, and Can Yang
In this paper, the heat transfer process of an injection mold heated by electricity was studied. A model used to study the transient heat transfer process was established. By using birth and death finite element simulation technique, the variation of mold temperature during the whole injection moldi ... [AIP Conf. Proc. 1532, 838 (2013)] published Fri May 17, 2013.