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Introduction With the development of society, the progress of science and technology, large bridge technology has become one of the important technical development level of architectural science.
China Civil Engineering Journal. 2008,41(1):70-81
Journal of the American Concrete Institute, February 1966, Proceedings Vol(63)：267 [11]N J Gardner，M J Lockman.
ACI Materials Journal,2001，98（2）：159-167
ACI Materials Journal, 1987,84（2）：130-135.

[6] Zhemchuzhnikova D.A., Mechanical properties and fracture behavior of an Al-Mg-Sc-Zr alloy at ambient and subzero temperatures, Materials Science & Engineering A. 565 (2013) 132-141
[7] Zhemchuzhnikova D., Kaibyshev R., Effect of rolling on mechanical properties and fatigue behavior of an Al-Mg-Sc-Zr alloy, Materials Science Forum. 794-796 (2014) 331-336
Langdon, Influence of grain size on the flow properties of an Al-Mg-Sc alloy over seven orders of magnitude of strain rate, Materials Science & Engineering.
Chattopadhyay, Development of a high temperature high strength Al alloy by addition of small amounts of Sc and Mg to 2219 alloy, Materials Science & Engineering.
Xiang, High strain rate superplasticity in an Al–Mg–Sc–Zr alloy processed via simple rolling, Materials Science & Engineering.

Therefore, hard brittle materials can be machined without chippings only when depth of cut is very small.
Many researchers have been studying ductile manner machining of hard-brittle materials using single point tools.
[12] Kitagawa,T., Maekawa,K., 1990, Plasma Hot Machining for New Engineering Materials, Wear, Vol. 139, pp. 251-267
Mechanical Science, 43, pp.335-347
Aravindan,S., 2005, Machining of Hard-Brittle Materials by a single point tool under High Hydrostatic Pressure, Trans.

Defects, such as pores and cracks, may be formed within materials because of the special production process and will have negative effects on the mechanics performance of 3D braided composites.
Its high sensitivity, strong penetrating, fast inspection speed, low cost and harmless to human body made it widely applied to materials.
References [1] CHEN J: Proceedings of Eleventh International Conference of Composite Materials.
Forum Vol. 5(1997), p. 317 [2] LI Jialu: submitted to Journal of Advanced Materials Industry (2010)
Forum Vol.30 (1999), p.1445 [4] WANG Xiaoyong, QIAN Hua: submitted to Journal of Nondestructive Testing (2006) [5] TANG Guiyun, WANG Yunfei, WU Donghui, LI Jianguo: submitted to Journal of Fiber Composites (2006) [6] Anomls, Birring: submitted to Journal of Material Evaluation (1993) [7] YAO Zhizhong: submitted to Journal of Nondestructive Inspection (2004)

Journal of Southwest University (Natural Science Edition) 30(3):101-106 [3] Liu, X.
Wuhan University Journal of Natural Sciences 11(4):870-874 [6] T.
Journal of Soil Science 31(2):315-331 [7] Qu, K.Y., Dai, L.M., Feng, H.
Chinese Journal of Soil Science. 40:558-562 [8] Shepherd, T.G., Saggar, S., Newman, R.H. (2001) Tillage-indued changes to soil structure and organic carbon fractions in New Zealand soil.
Australian Journal of Soil Research. 39(3):465-589

Introduction In the incipient stages of material testing, three-point bending tests were considered one of the go-to procedures in characterizing materials due to their simple setup.
Timoshenko, Strength of Materials - Part I: Elementary Theories and Problems.
Springer Science, 2008
Silberschmidt, Response of semi-crystalline thermoplastic polymers to dynamic loading: A finite element study, Computational Material Science, vol. 64, p. 116–121, 2012
[13] ASTM Standards, Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials. 2003.

Experiments Materials.
Result and Discussion Characterization of Materials.
Diffractogram pattern of the synthesized materials.
FTIR characteristic peaks of synthesized materials.
Zeng et al., "Facile synthesis of zinc-based organic framework for aqueous Hg (II) removal: Adsorption performance and mechanism," Nano Materials Science, vol. 3, no. 4, pp. 429-439, 2021

In solid materials, diffusion is the only way of material transmission [1].
Deke, Fundamentals of Materials Science (China Machine Press, China 2003)
Zhangzhong, Fundamentals of Materials Science (China Machine Press, China 2005)
[5] G.Yuan, X.Zhong, submitted to Journal of Materials Engineering ( 2006)
[9] H.Gengxiang, C.Xu: Fundamentals of Materials Science (Shanghai Jiao Tong University Press, 2000)

While these method exist some flaws including costly raw materials and harsh conditions, it’s important to exploit a simple, effective, inexpensive and environmentally friendly procedure.
[3] Bharat L K, Reddy L S, Yu J S, Sol–gel synthesis, characterization and photocatalytic properties of SrCrO4 particles, Materials Letters, 144(2015) 85–89
[4] Haiyan J, Xue M, Hongxing D, Jiguang D, Yuxi L, Lei Z, Zhenxuan Z, Ruzhen Z, High-performance porous spherical or octapod-like single-crystalline BiVO4 photocatalysts for the removal of phenol and methylene blue under visible-light illumination, Journal of Hazardous Materials, 217-218(2012) 92–99
[5] Lei G E, Zhang X H, Synthesis of novel visible light driven BiVO4 photocatalysts via microemulsion process and its photocatalytic performance, Journal of Inorganic Materials, 24(2009) 453-456
[7] Zhu G, Que W, Hydrothermal synthesis and characterization of visible-light-driven dumbbell-like BiVO4 and Ag/BiVO4 photocatalysts, Journal of Cluster Science, 24(2013) 531-547 [8] Lei G.

Materials and Method A chemical composition test was conducted to identify the elements in the coil spring.
After the material was identified, a finite element analysis was performed.
Series: Materials Sciences and Engineering, 352 (2018)
Topper, A stress-strain function for the fatigue of materials, Journal of Materials JMLSA, 5 (1970) 767-778
Miner, Cumulative damage in fatigue, Journal of Applied Mechanics, 67 (1945) A159-A164