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Materials Characterization.
Ćwiek, Hydrogen assisted cracking of high-strength weldable steels in sea-water, Journal of Materials Processing Technology.
Welding Journal 5/1996
Journal of the Brazilian Society of Mechanical Sciences 11/2002
Welding Journal 2/1998

Other workers were interested [11-15] in the behavior of materials in the presence of geometrical defects.
This increase is inversely proportional to the distance References [1] Ouinas D., Bachir Bouiadjra B., Benderdouche N., Computational Materials Science 43 (2008) 1155–1159
International Journal of Fracture 48, (1991) 255–279
[8] Bachir Bouiadjra B., Benguediab M., Elmeguenni M., Belhouari M., Serier B., Ait Abdel Aziz M., Computational Materials Science 42 (2008) 100–106
[18] Ouinas D., Bachir Bouiadjra B., Benderdouche N., Computational Materials Science 43 (2008) 1155–1159.

However, the processing time of press forming is extremely short, thus the contact between the die and the material varies with time; making the flow of the material extremely complex.
References [1] T.Ohashi , K.Hayashi ,Lateral extrusion of A6063 aluminum alloy pipes with a lost core , Journal of Materials Processing Technology 138 (2003) 560–563
Saotome, The lateral extrusion of copper pipes with a lost core of low temperature melting alloy, Journal of Materials Processing Technology, Volume 113 (2001) 98-102
[3] Takuo Nagamachi, Onoda Yoshitomi, Kimura Sadao and Kitawaki Takeo : Cross-Sectional Shapes of Corner Zones of Hexagonal Steel Pipes Formed by Extroll-Forming Mill with Expanding Inner Idler Rolls, Materials Transactions, Vol.45, No.4, pp.1328-1334, 2004
Narazaki, Deformation behavior of tubes with thickness deviation in circumferential direction during hydraulic free bulging, Journal of Materials Processing Technology 139 (2003) 58–63

Materials Review, 2004, 18(6):61-63.
Construction and Building Materials, 2009, 23(5): 1954-1959 [3] K.
New Building Materials, 2006( 6): 47-49.
Journal of Building Materials, 2004(1): 72-75.
Materials and Structures. 2009, 42:1077–1087 [13] Haitao Li, Yujiang Wang, Wanwu Fan.Journal of Luoyang Technology College, 2001(9): 3-5.

The original coarse grains elongate along the materials flow direction notably when the strain rate increased to 0.1 and 1-s (Fig. 4c).
The deformation heat raises the temperature with increasing strain rate, which makes the materials easier to be deformed.
Materials Science and Engineering A (1996), 213, p. 103-114 [2] GORYNIN.I.
Materials Science Engineering A, (1999), 263, p. 112-116 [3] GURAPPA I., Protection of titanium alloy components against high temperature corrosion.
Materials Science Engineering A, (2003), 356(1/2), p. 372-380

Recently, laminated structure material is increasingly used in packaging applications due to their high stiffness, high strength and various components with strength far that of the original materials [3].
Due to the different material properties of these layers, troubles sometimes occurs with unstable cutting phenomena.
Materials and Methods Experimental Conditions and Specimens.
Yoshizawa, Effect of tip clearance and blade hardness on cutting resistance and tip shape in paper board die cutting, Journal of the Japan Society for Technology of Plasticity. 42(2001), 38-42
Katayama, Effect of blade tip shape on thread dross occurrence in paperboard die cutting, Journal of the Japan Society for Technology of Plasticity. 43(2002), 624-628 (in Japanese)

It makes sense that algal oil might be used to lubricate coated low-friction steel components and that it works well to lubricate friction mechanisms using WC/C & metal coated components (in range of systemic materials) (WC/C - tungsten carbide carbon layer) [8].
Microalgae oil is great for lubrication of combinations of materials: WC/C & WC/C, WC/C & steel, steel & WC/C, steel & steel and it has excellent antiwear and antiseizure properties [8].
Microalgal bio-oils also have better antiwear and antiseizure properties and lubricating effectiveness is almost twice in the coated material systems.
Elangovan, Wear and friction characterization of chlorella sp. microalgae oil based blended lubricant on pin on disc tribometer, Materials Today: Proceedings, 2020, 33, pp. 3063–3067
[5] Dharitri Borah, Subramanian Gopalakrishnan, Thajuddin Nooruddin, Carbohydrate Biolubricants from Algae and Cyanobacteria, Journal of Polymers and the Environment, 2021, 29, pp. 3444–3458

Primary materials and mix proportions for tests Primary materials for tests After crushing and processing the waste reinforced concrete, the recycled coarse aggregates can be acquired with the grain size ranging from 5mm to 20mm.
In the Fig.1~Fig.3, the brighter of the zone, the bigger density and CT numbers of the material and vice versa.
Chinese Journal of Rock Mechanics and Engineering,2005,24(22):4003-4009
Journal of Hydraulic Engineering,2006,37(9):1044-1050
Natural Science Journal of Xiangtan University， 2006 ，28(2)：52-55.

Table 1 Experimental condition for casting using inclined slope Material M2 Steel (W6Mo5Cr4V2) Casting temperature /°C 1480 Inclined slope Material Mild steel Coating Bauxite refractory Angle /° 60 Length /mm 200, 400, 500, 600 Preheating /°C 200~300 Casting mould Material Bauxite sand mould Size /mm Diameter×Height =Ф50×110 The schematic diagram of experimental equipment is shown in Fig.1.
Acknowledgements The authors greatly acknowledge the sponsor of Science Foundation of Beijing Jiaotong University.
Journal of Materials Processing Technology, 2005, 166 (3), p359-363
Journal of Iron and Steel Research, 2007, 14(1): p 47-52
Journal of Materials Processing Technology, 2007, 186 (1-3): p94-101

Introduction Sliced bamboo veneer is one kind of new flaky bamboo material.
Materials and methods Materials.
Du, et al: Journal of Zhejiang Forestry Colleg, Vol.20(2003), p.227(In Chinese) [2] C.G.
Li, et al: Journal of Northeast Forestry University, Vol.31(2003), p.16(In Chinese) [3] C.G.
Bai: Shaanxi Forest Science and Technolog, (2008), p.142(In Chinese) [6] Y.H.