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[2] Yan Qing Dong, Huan Gao Zhang, Ji Zeng, Run Hua Tan and Fei Yu: Advanced Materials Research.
Tsepin: Materials Science Forum.
Bonarski: Materials Science Forum.
Vol. 443 – 444. (2004). pp. 189-192 [5] Wei Guobing, Peng Xiaodong, Li Junchen, Xie Weidong and Wei Qunyi: Rare Metal Materials and Engineering.

Liu 1, c 1 Laboratory of Advanced Materials, Dept of Materials Science and Engineering, Tsinghua University, Beijing 100084, China.
Forum Vol. 467-470 (2004), p. 1175
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In addition, as PDD4-1 and P6-1 advanced, PDD9 will form, as indicated in Fig. 3(d).
Acknowledgement The information, data, or work presented herein was funded in part by the Advanced Research Projects Agency-Energy (ARPA-E), U.S.
Forum 353–356, 299–302 (2001) [6] A.
Forum 556-557, 295 (2007) [10] D.
Caillard, Modelling and Simulation in Materials Science and Engineering 32.3: 035027. (2024)

Preface The 2 nd International Conference on Chemical Engineering and Advanced Materials (CEAM 2012) was successfully taken place in Guangzhou, China, on July 13-15, 2012.
The objective of the 2012 International Conference on Chemical Engineering and Advanced Materials (CEAM 2012) is to provide a forum for the discussion of new developments, recent progress, and innovations in the chemical engineering and advanced materials.
Guoqiang Yin, Zhongkai University of Agriculture and Engineering, China Prof.
Liewen Liao, Zhongkai University of Agriculture and Engineering, China Prof.
Guoqiang Yin, Zhongkai University of Agriculture and Engineering, China Prof.

Materials Science Forum Vols. *** (2004) pp.503-507 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Forming Defects Analysis of Auto-panel Stamped Part with Experimental Strain Approach H.Y.
The presence of strain gradients in the material element may also distort the ellipse making it very Advances in Materials Manufacturing Science and Technology 504 difficult to identify the major and minor axes.
The principal values, as obtained from （4）,are given by: 2 12 22211 2211 2 22 2 11 ) 2 ( 2 , C CCCC + − ± + =λλ The orientation of the principal axes is determined by： 2211 122 2tan CC C − =θ It follows that the principal logarithmic surface strains are: 11 11 lnλε = and 22 22 lnλε = The third principal logarithmic strain, i.e. the thickness strain, is finished by the incompressibility Fig.3 Photograph of the sink area of the automobile panel Fig.4 Deformed shape with grids Advances in Materials Manufacturing Science and Technology 506 assumption: 0332211 =++ εεε Case Study: Strain Analysis of an Automobile Outer Panel Stamped Part For the automobile outer panel parts stamping process, it is usually only one drawing process, subsequent stages are usually punching, flanging and other auxiliary procedure.
Fig.6 illustrate the sectional strain distribution on two given paths, the major、minor and thickness strains on the whole path are calculated and printed out on coordinate, by analyzing this result , it is easy to conclude that the strain gradient on the sink mark area is larger, means that the defect area subjects Fig.5 Forming Limit Diagram Fig.6 Strain distribution on two section Materials Science Forum Vols. *** 507 to uneven stretching during the stamping process.
The grid method present an effective way to measure and calculate the strain distribution over large surface area, this is especially helpful to assist engineers in optimization stamping process and amending of die for automobile panel manufacturing.

Computational intelligent algorithm in modern life, more and more extensive application in engineering practice, is mainly used to solve the automatic layout optimization problems, the research on it has important significance.
Introduction In modern life, engineering practice, often encounter some new algorithms or theory, such as genetic algorithm, tabu search, neural network and so on.
Forum Vol. 83-87 (1992), p. 119 [2] M.A.
Mishing, in: Diffusion Processes in Advanced Technological Materials, edtied by D.

Kriz, J, Sondor, Structure and adhesion of thin coatings deposited by PVD technology on the X6CrNiMoTi17-12-2 and X40 CrMoV5-1 steel substrates, Materials Science and Engineering 51 (2011) 40-47
Tański, J Domagala-Dubiel, Unique properties, development perspectives and expected applications of laser treated casting magnesium alloys, Archives Of Civil And Mechanical Engineering 12/3 (2012) 318-326
Borek, Hot-rolling of advanced high-manganese C-Mn-Si-Al steels, Materials Science Forum 706/709 (2012) 2053-2058
Żach, Tension field in thin walled aeronautical girders, Mechanics and Mechanical Engineering 14 (2010) 291–308
Deuszkiewicz, Designing of high-speed machine shafts of carbon composites with highly nonlinear characteristics, Key Engineering Materials 490 (2011)76-82

Preface The Scientific and Organising Committee of the 11th International Scientific Conference on Advances in Mechanical Engineering (ISCAME 2025, 6-8 November, 2025, Debrecen, Hungary) is grateful to all participants for participating in the engineering forum in Debrecen organized by the Department of Mechanical Engineering, Faculty of Engineering of the University of Debrecen, the Working Commission of Mechanical Engineering (Specialised Committee in Engineering, Regional Committee in Debrecen, Hungarian Academy of Sciences) and the Scientific Association for Mechanical Engineering.
The ISCAME was part of the 11th Mechanical Engineering Days, and its main goal was to hold an annual engineers' meeting focused on research, development, and the practical applications of engineering solutions in mechanical engineering, and to establish opportunities for future collaborations. 267 higher education experts registered for this conference, representing 39 nations.

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The greenization degree of manual fixture is at the tiptop level in the green energy point of view according to current applied energy in manufacturing engineering.
Electricity is still the most important energy form in manufacturing engineering in long period of time.
We wish that the publication of this paper can arouse researchers pay more attention to the development of fixture greenization and make the technology advance quickly, and make more mature research achievement applied in engineering as soon as possible.
Chen: Chinese J. of Mechanical Engineering Vol. 35 (1999), p. 11 [2] F.
Cao: China Mechanical Engineering Vol. 11 (2000), p. 961 [3] Z.F.