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For different materials and different thickness of plates, it often requires numerous experiments to find the suitable shape and structural parameters of nodes connected stamping dies; ② for the effect on the detection of connection，there is no reasonable basis for evaluation and corresponding test equipments.
Then at the upper corner of sheet flowed to the surrounding material.
Therefore, the reasonable punch diameter of a variety of different materials and different thickness of stamping connection could be analyzed by deformation.
Acknowledgements: The Universities Natural Science Research Program of Jiangsu Province , China (No. 05KJD460052) References [1] Xi-hong KUANG.
[6]B K Chun,J T Jinn,J K Lee.Modeling the Bauschinger effect for sheet metals,partⅡ:applications[J].Inteation Journal of Plasticity ,2002,597~616

References [1] Giuliano, G., Superplastic Forming of Advanced Metallic Materials: Method and Applications.
Materials and Design. 29 (2008) 1330-1333
Journal of Materials Processing Technology. 217 (2015) 158-164
S., Flow Stress Identification of Tubular Materials Using the Progressive Inverse Identification Method.
International Journal of Mechanical Science. 12 (6) (1970) 479-490

J. , Sahu S. : Composites Materials, ASTM STP, 170-188, (1972)
Materials, Vol. 35/ 5, 1999
Journal of Applied Polymers Science, 7, p. 1207-1223 (1963)
J. of Materials Science, 1990, 25, 1851-1855
Journal of Vinyl and Additive Technology, (2004), 10 (2), 59-69

Quasicrystalline (QC) materials represent a new class of alloys differing from amorphous and crystalline materials due to quasicrystalline periodicity and therefore unusual properties.
Introduction Quasicrystalline (QC) materials represent a new class of alloys differing from amorphous and crystalline materials due to quasicrystalline periodicity and therefore unusual properties.
Experimental The components used as raw materials are commercially pure, about 99.7 to 99.9% of purity.
Dubois: Les Quasicristaux Matière a Paradoxes. 1 Ed, France, EDP Sciences 1998
Bott and J.M Dubois: Journal of Non-Crystalline Solids Vol. 351 (2005), p. 1630.

The dried materials was grounded, and sieved to get fine powder.
Materials Research 7.4 (2004): 529-534
Journal of Materials in Civil Engineering 23.5 (2010): 628-637
"Hot mix asphalt materials, mixture design and construction." (1996)
Construction and Building Materials 28.1 (2012): 616-623.

It will be helpful for improving the mechanical properties of nanofiber membrane and preparing nanofiber reinforced composite in the future. 2 Experiments 2.1 Materials PAN powders (Mw=140,000) and PEO powders (Mw= 200,000) were purchased from Hangzhou Acrylon Co.
Materials Review, 2009, 23(2): 90-92
Journal of Materials Engineering, 2004, 7(4): 55-59
Journal of Power Sources, 1999, 77(2): 183-197
Journal of Macromolecular Science, Part B, 2006, 45(4): 515-524.

Introduction Building materials are increasingly demanding for the development of super high-rise building and large-span structure, which makes concrete strength grades continue to improve[1,2].
Unified Strength Theory Based on the twin shear strength theory, a new strength theory is established by Yu in 1991 which considered the effects of intermediate principal stress and can be applied to a variety of different materials.
As for most of the metallic materials, the tensile strength is equal to the compressive strength.
[2] Patel V I, Liang Q Q, Hadi M N S: Journal of Constructional Steel Research, Vol. 70(2012), p. 368-376
[5] Zhenyu Lin, Yanhai Wu, Zuyan Shen: Journal of Building Structures, Vol. 26(2005), p. 52-57, in Chinese

Computational of Thermal Sciences. 4 (2009) 425– 440
International Journal of Thermal Sciences. 49 (2010) 1345 – 1353
Case Studies in Construction Materials.
Journal of thermal Engineering, 7, pp.650-665 (2021)
Materials Today: Proceedings, 45, pp. 7501–7506 (2021)

Cutting is a collection of processes wherein material is brought to a specified geometry by removing excess material using various kinds of tooling to leave a finished part that meets specifications.
The net result of cutting is two products, the waste or excess material, and the finished part.
References [1] LiuWei , Yang Yuying, Xing Zhongwen, Zhao Lihong, “Springback control of sheet metal forming based on the response-surface method and multi-objective genetic algorithm”, Journal of Materials Science and Engineering A 499 (2009), pp. 325–32
Wang, “Application of the forming limit stress diagram to forming limit prediction for the multi-step forming of auto panels”, Journal of Materials Processing Technology, Volumes 187-188, 12 June (2007), pp. 173-177 [16] Gwo-Lianq Chern , “Study on mechanisms of burr formation and edge breakout near the exit of orthogonal cutting” , Journal of Materials Processing Technology, Volume 176, Issues 1-3, 6 June (2006), pp.152-157 [17] Tsann-Rong Lin, “Experimental study of burr formation and tool chipping in the face milling of stainless steel”,  Journal of Materials Processing Technology, Volume 108, Issue 1, 1 December (2000), pp. 12-20 [18] J.C.
Jack Quinn, “Accurate Design of a Cam Profile on the CAD System”, Journal of Manufacturing Systems Volume 10/No. 6, (1999) pp. 501-508.

Treatment Investigation on Retting Hemp Waste Water with the Synergy of Activated Carbon and Microwave Rong Yang1, a, Quanli Feng1, b, Yu Jia1, c and Chunmei Shi1, d 1 Kunming University of Science and Technology, Kunming 650500, China aynkmyr@126.com, bqlfeng0871@sina.com, cjiayu@163.com, dshicm@163.com Keywords: activated carbon; microwave; retting hemp waste water Abstract.
Treatment of retting hemp waste water was made by the synergy of activated carbon and microwave in this experimental investigation, and the four factors that influenced the experimental results were considered in which there were respectively the material ratio of activated carbon dosage and retting hemp waste water volume, microwave radiation power, microwave radiation time and the initial pH value of retting hemp waste water.
The experimental results showed that, while the material ratio was 7:50 (i.e., the quality of activated carbon was 7g as the volume of retting hemp waste water was 50mL), the microwave radiation power and the microwave irradiation time were respectively 320W and 13min, and the initial pH value of retting hemp waste water was just 2, the treatment effect of retting hemp waste water was best in this experimental investigation.
Vol. 27(2003), p.104 [3] C.Y.Guan, J.Ma, G.F.Liu, etal: Journal of Harbin Institute of Technology (New Series), 4(2010), p.558 [4] M.Barriada-Pereira: Journal of Chromatography A, (2003), p.115 [5] D.A.Jones: Resources,Conservation and Recycling, 34(2002), p.75 [6] L.L.Bo, X.Quan, S.Chen, et al: Water Research,40(2006), p.3061 [7] N.A.Ibrahim, M.El-Hossamy, M.M.Hashem, et al: Carbohydrate Polymers, 74(2008), p.880 [8] R.X.Li, C.P.Yang, C.Hong, et al: Journal of Hazardous Materials, 167(2009), p.1028