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The material properties of the corrugated steel webs which are used throughout this study are obtained from material tests [13], where the yield stress was 296MPa and Poisson’s ratio was 0.3.
Journal of Structural Engineering 1996; 122(4):390-8
Journal of Structural Engineering 2006; 132(2):195-203
Journal of Constructional Steel Research 2008; 65(5):1198–205
Journal of Constructional Research 2009;65:2129–39

The hysteretic curve of PTFE slide bearings is taken as stress-strain relationship of ideal elastic-plastic material.
Journal of the China Railway Society,2008, 30 (3): 71-76
Journal of Hunan University: Natural Sciences, 2008, 35 (10): 7-10
China Journal of Highway and Transport. 2003(4): 31-36
Journal of Tong Ji University.2001(01):7-9

J., Betegon, W., Hancock: Journal of Applied Mechanics, Vol. 58(1991), p. 104 [2] N.
Shih: Journal of the Mechanics and Physics of Solids, Vol. 39(1991), p. 989 [3] S.
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Praks: Journal of Applied Mechanics, Vol.55(1988), p. 805 [8] W.
Kussmaul, E, Roos: Journal of Applied Mechanics Review, Vol. 44 (1991), p.77-92.

Consequently, for equivalent materials made of different gauges failure strains increase with thickness.
Droog, A new method for predicting Forming Limit Curves from mechanical properties, Journal of Materials Processing Technology 213 (2013) 759-769
Aretz, Pre-strain correction of forming limit curves, Materials Research Proceedings 41 (2024) 948-957
Tekkaya, Formability of Metallic Materials, Springer-Verlag Berlin Heidelberg GmbH, 2000
Kim, Effects of thickness and surface roughness on mechanical properties of aluminum sheets, Journal of Mechanical Science and Technology 24 (2010) 2091-2098

In order to reduce environmental pollution, save raw materials, reduce costs, the utilization of recycled pulp gradually increased in the domestic year by year.
Experiment Materials and chemicals Tetra Pak recycled pulp was obtained from Shandong Dezhou Champion Paper Co., Ltd.
References [1] G J Kang, Y Ni, A R P Van Heiningen: Tappi Journal, Forum Vol. 83(2000), p.1-5
[4] Fujiyasu, Koichiro: Japan Tappi Journal.
Tappi Journal, Forum Vol. 7(1978), p.153.

Sirisansaneeyakul1,5,d* 1Department of Biotechnology, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand 2Department of Packaging and Materials Technology, Kasetsart University, Chatuchak, Bangkok 10900, Thailand 3Center for Advanced Studies for Agriculture and Food, National Research University-Kasetsart University, Kasetsart University, Chatuchak, Bangkok 10900, Thailand (CASAF, NRU-KU, Thailand) 4School of Engineering, Massey University, Private Bag 11 222, Palmerston North, New Zealand 5Center for Advanced Studies in Tropical Natural Resources, National Research University-Kasetsart University, Kasetsart University, Chatuchak, Bangkok 10900, Thailand (CASTNAR, NRU-KU, Thailand) apchaniga@gmail.com, bchiravoot.p@ku.ac.th, cY.Chisti@massey.ac.nz, dfagissi@ku.ac.th Keywords: Polymerization; Lipase; Polylactic acid Abstract.
PLA has received increasing attention as a material for packaging, clothing and biomedical products.
Acknowledgements This research was supported by the Department of Biotechnology, and the Department of Packaging and Materials Technology, Kasetsart University, Thailand.
Kiran, Soundar Divakar, Lipase-Catalysed Polymerization of Lactic Acid and Its Film Forming Properties [J], World Journal of Microbiology and Biotechnology, 2003, 19: 859-865; [6] Veronica Lassalle, Griselda Barrera Galland, Maria Lujan Ferreira, Lipase-Catalyzed Copolymerization of Lactic and Glycolic Acid with Potential as Drug Delivery Devices [J], Bioprocess Biosystems Engineering, 2008, 31: 499-508; [7] Wisam H.
Jaffar Al-Mulla, Nor Azowa Bt Ibrahim, Preparation and Characterization of Polylactic Acid/Polycaprolactone Clay Nanocomposites [J], Journal of Applied Sciences, 2010, 10(2): 97-106.

Basic data: H=75 (mm), D=150 (mm), stamped material – aluminum alloy 5056, envelop [15] ∆Нp=2 (mm).
Basic data for calculation – materials: blank – AA 5056, elastic element – steel 1060; cell elements: blank – 1000, elastic element – 1000; friction coefficient ffriction = 0.12; punch speed v=1 mm/sec.
Middle levels have lower deformation and are not more than material yield level.
[7] Bor-Tsuen Lin, Kun-Min Huang, Chun-Chih Kuo, Wen-Ting Wang, Improvement of deep drawability by using punch surfaces with microridges, Journal of Materials Processing Technology, 225 (2015) 275-285
Technol., Prediction of Failure Modes during Deep Drawing of Metal Sheets with Nickel Coating, Journal of Materials Science Technology, 2013, 29 (11), 1059-1066

Thus, the material removal rate was also raised.
Spindle Chuck Screw Mode Apparatus Clamping Mechanism Fig. 2 Illustration of the Mold Materials.
The spiral polishing with magnetic force could be employed onto different materials, from ductile materials, like Cu and Al, to those difficult to be polished, like nickel-based alloys and to non-metallic materials, like ceramics and hard plastic materials.
The material used in this experiment was a stainless steel tube.
Kμmar, “Abrasive flow machining with additional centrifugal force applied to the media.”, Machining Science and Technology, Vol 10, pp.341-354, July-September 2006

Titanium alloys are typical difficult to cut materials.
l Tool materials: cemented carbide tool KW10 (Kyocera).
Wang: Journal of Materials Processing Technology.
Wan: Journal of Shandong University (Engineering Science).
Le Maître: Journal of materials processing technology.

Because most underfilling defects are caused by the shortage of materials, the defects of folding and crack are analyzed emphatically.
Some superficial particles cut into the billet to interrupt the continuity of materials, and a fine crack is formed.
References [1] Z.J.Wang, J.Lu and Z.R.Wang: Journal of Materials Processing Technology Vol. 110 (2001), p. 28 [2] S.H.Hsiang and H.L.Ho: Int.
Suppl 1 (2008), p. 411 [4] Y.S.Kim, S.H.Yang, D.Shan, S.O.Choi, S.M.Lee, and B.S.You: Journal of Materials Engineering and Performance Vol. 15(2006), p. 275 [5] S.Y.Jung, M.C.Kang, C.Kim, C.H.Kim, Y.J.Chang and S.M.Han: Int.
Vol. 23 (2004), p. 627 [7] J.J.Park and H.S.Hwang: Journal of Materials Processing Technology Vol. 187-188 (2007), p. 595 [8] V.P.Basavaraj, U.Chakkingal and T.S.P.Kumar: Journal of materials processing technology Vol. 209 (2009), p. 89