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Many different kinds of biomass materials are widely distributed rich [3] and have good biodegradability [4], also compared with synthetic polymer materials.
Through physical or mechanical processing [9], biomass materials will be directly made into all kinds of products; by polymer chemical reaction, the use of biomass materials can prepare the material [10] which have different structure and chemical properties; a kind of biomass materials with another kind of biomass material or synthetic polymer materials can also prepare the new material which has better quality by the method of composite or blend [11]; In the presence of catalyst and hot [12], the biomass material transform into smaller molecular weight of chemical raw materials, this is more than ten years gradually arisen a kind of biomass material utilization way.
[8] Lee S H,Teramoto Y,Shiraishi N.Journal of Applied Polymer Science,2000,77:2901
[15] He Weichang,Wang Tianmin.Materials review,2006,20(1):1
[19] Li Zhaojian.Journal of applied foundation and engineering science, 2006, 14(1):40

Philipps: Journal of Nuclear Materials., Vol. 415 (2011), S2-S9 [2] R.A.
Stangeby: Journal of Nuclear Materials., Vol. 438, Supplement (2013), p.
Shen: Journal of Nuclear Materials., Vol. 438, Issues 1-3 (2013), p. 199-203 [6] D.
Ju: Journal of Materials Science & Technology., Vol. 126 (2022), p. 203-214 [9] Z.
Liu: International Journal of Refractory Metals and Hard Materials., Vol. 69 (2017), pp. 266-272 [10] Z.

Journal of Hazardous materials, 128(2-3), pp.289-293
Journal of hazardous materials, 117(2-3), pp.227-233
Journal of hazardous materials, 136(3), pp.681-689
Journal of hazardous materials, 186(1), pp.863-868
Journal of hazardous materials, 154(1-3), pp.88-95

Experiment Materials and chemicals.All reagents were of analytical reagent grade unless otherwise specified.
It can be concluded that chelating agent EDDS can promote the adsorption of Cu2+ on three materials.
Effect of pH.The results on the Cu2+ removal with three materials are presented as a function of pH in Fig. 2.
Journal of Shenyang University of Chemical Technology 2010; 24:126-129
Chinese Journal of Environmental Engineering 2010; 4:2848-2852.

Acknowledgement This item is subsidized by the Nature Science Foundation in China.
Cen: ASME, Journal of Tribology.
Li: Journal of Mechanical Transmission.
Xia and S.Q.Cen: Advanced Materials Research.
CEN: Journal of Machine Design.

On Accurate Numerical Evaluation of Stress Intensity Factors and T-Stress in Functionally Graded Materials Jeong-Ho Kim 1,a and Glaucio H.
This paper revisits the interaction integral method to evaluate both the mixed-mode stress intensity factors and the T-stress in functionally graded materials under mechanical loading.
Tina Panontin), and the National Science Foundation (NSF) under grant CMS0115954 (Mechanics and Materials Program).
Kim: Mixed-mode crack propagation in functionally graded materials.
Dong: A novel application of the singular integral equation approach to evaluate T-stress in functionally graded materials.

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 232(15), (2018) 2711-2722
The advances of tribology in materials and energy conservation and engineering innovation.
EDP Sciences, (2023) p. 01014
Tribology in materials processing.
Journal of Materials Processing Technology, 48(1-4), (1995) 503-515

Finally tell the principle and application of polymer materials.
Journal of chemical industry
Polymer materials science and engineering, 2004, 20 (4): 111-115
Journal of membrane science and technology
Journal of catalysis

The effect of welding materials on 1Cr18Ni9Ti and 2Cr13 steel welding joints fracture Microstructure pattern Zhang Shaohui1,a ,Zhao Yongtao1,a , Zhou Junwei2,b 1Material and Metallurgy School, Inner Mongolia university of Science and technology, Baotou,014010,China 2Steel-making factory, Iron and steel group company, Baotou,014010,China a 438809496@qq.com, b zyt0011@126.com, czhoujunwei@126.com Keywords: 1Cr18Ni9Ti；2Cr13；welding materials; fracture pattern Abstract.
Table 1 Experiment materials chemical composition (wt % ) Material C Si Mn S P Cr Ni Ti Fe 1Cr18Ni9Ti ≤0.12 ≤1.00 ≤2.00 ≤0.030 ≤0.035 17.0～19.0 8.0～11.0 0.5～0.8 other 2Cr13 0.16～0.25 ≤1.00 ≤1.00 ≤0.030 ≤0.035 12.0～14.0 — — other 1.2 Welding materials in the experiment H1Cr21Ni10Mn7Mo, H0Cr21Ni10 welding wire were selected as welding materials,their chemical composition were shown as table 2.
References [1]MAITA, SPOWAGE A C,in:Materials Science and Engineering A, (2004), p.374: 224−233
[3]Changheui Jang, Jounghoon Lee, Jong Sung Kim, et.al,in:International Journal of Pressure Vessels and Piping,2007, doi:10.1016/j.ijpvp. 2007.08.004
[5] Yajiang Li, Haijun Ma, Juan Wang: submitted to Materials Science and EngineeringA, (2011), p.4343-4347.

We conduct a comparison between these two materials and another three materials, namely Commercial Steel bar, Aluminum 3105-H18, and PEP.
Both materials mechanical properties are also shown in Table 1 below.
Table 1: Material properties of the bumper beam materials.
Elsevier Applied Science Publishers, New York 1984
Pothen, Energy Dissipation in Braced Cylindrical Shells, International Journal of Mechanical Science, 30 (3/4), pp. 203-216 1988