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Mechanical and Tribological Properties of Nylon 1212 Modified With Brown Corundum Ash and Solid Lubricants Zhang Gaoliang1,a, Zhao Qingxiang1,b, Liu Minying 1,c, Fu Peng1,d, Yu Yibo 1,e, Xu Jianwen 1,f. 1School of Materials Science and Engineering, Zhengzhou University, 75 Daxue Road, Zhengzhou 450052, People’s Republic of China azgl6228@163.com, bzhaoqingxiang1@126.com, clmy@zzu.edu.cn, dfupeng@zzu.edu.cn, e582314177@QQ.com, fxujianwen1989@163.com, Keywords: PA1212, Brown Corundum Ash, mechanical property, Tribological property Abstract.
Composites filled with inorganic particles are widely used because of the low cost, while incorporating the advantages of both polymer materials and inorganic fillers.
Experiments 2.1 Materials PA1212 particles were purchased from Ziboguangtong Chemical Limited Company in Shang- dong Province.
Materials Chemistry and Physics, 81, 2003: 356–359 [3] Wang J X.
Surface topography and wear mechanisms in polyamide 66 and its composites .Journal of materials science, 35 ,2000:1269 – 1281.

Impact test has been performed to estimate the alloys impact energy and consequently to evaluate the materials resistance to high velocity impact.
And Ghomashchi R.: Materials Characterization Vol. 57 (2006), p. 371
Liu, Materials Science and Engineering: A, Volume 496, Issues 1-2, 25 November 2008, Pages 439-446
[7] Fan Z. on International Materials Review, Vol. 47, 49–85, 2002
Tonno on International Journal of Material Forming, Vol.3, Supplement 1, 787-790, 2010.

Decreasing materials and increasing small ribs cross at the medium thickness position of the steering link was beneficial to reduce the risk of the air entrapment defects.
Acknowledgment The research was carried out with financial support from the National Key Research and Development Program of China (N0.2016YFB0301003) and the Shenzhen Science and Technology Program (Grant No.
International Journal of Advanced Manufacturing Technology, 2008, 39(5-6):462-473
[3] Min Luo, Daquan Li, Wenying Qu, Xiaokang Liang, Jianzhong Fan, Effects of Cooling Rate and Grain Refiner on Semi-solid Rheocasting Slurries of Al–Zn–Mg Alloy, In Advances in Materials Processing, 2018; pp 829-837
Materials Science & Engineering A Structural Materials Properties Microstructure & Processing, 2013, 562(FEB.1):1-8.

In addition, materials can exhibit unexpected responses at high rates.
Hence, it is imperative to comprehensively understand the high-strain-rate behavior of materials.
Ma, “Friction stir welding and processing,” Materials science and engineering: R: reports, vol. 50, no. 1–2, pp. 1–78, 2005
Springer Science & Business Media, 2010
Calviani, “Effect of strain-rate and temperature on mechanical response of pure tungsten,” Journal of Dynamic Behavior of Materials, vol. 5, pp. 296–308, 2019

Materials and methods The first step in designing the 3D correction surgery model was selecting 10 healthy adults with normal lower-extremity morphology.
Orthopedic Journal of China. 2007; 15: 915-17
Suzhou University Journal of Medical Science. 2008; 28: 1056-57
Journal of Practical Orthopedics. 2009; 15: 427-30
Advanced Materials Research. 2012; 472-475: 1985-1988

Ekhuemelo, "Intervention Analysis of Road Traffic Accidents in Nigeria ", Advanced Materials Research, Vols. 18-19, pp. 375-382, 2007
Australian Journal of Basic and Applied Sciences 7, No. 4, pp. 285-290, 2013
Chen et al., "Research on the Model of Road Traffic Safety Evaluation Based on Synergetics Theory", Advanced Materials Research, Vols. 779-780, pp. 1028-1035, 2013
Nigerian Medical Journal: Journal of the Nigeria Medical Association, 54(1): pp17-21, 2013 [19] X.
Analysis on tank truck accidents involved in road hazardous materials transportation in China.

Minamiguchi3 1 Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University 2-1 Yamada-oka, Suita, Osaka 565-0871 Japan 2 Student 3 Graduate student a sakai@mat.eng.osaka-u.ac.jp Keywords: AZ31B magnesium alloy, heavy reduction rolling, grain refinement, workability, high speed rolling, shear band, adiabatic heating Abstract.
The non-basal texture that improves workability of sheet materials is formed in the sheet rolled at high speed.
Textures in hcp metals have attracted significant interest because of the use of titanium alloys for light structural materials.
Yashiro: Journal of Japan Institute of Light Metals, 54 (2004), 465-471, (in Japanese)
Philippe: Materials Science Forum, Vol. 157-162(1994), p.1337

The Influences of Constitutive Models on the Collapses of OFHC Copper Cylindrical Shells under Impact Compression Shanxing Wu 1, a, Danian Chen 1,2,b, Dongfang Ma 2,c, Duo Zhang 1, Huanran Wang 2, Yanghui Jin 2 1 School of Astronautics, Northwestern Polytechnical University, Xi’an, Shanxi 710072, China 2 Mechanics and Materials Science Research Center, Ningbo University, Zhejiang 315211, China awusxdt@nbu.edu.cn, bchdnch@nbu.edu.cn, cenwail@sina.com Keywords: OFHC; cylindrical shell; constitutive model; impact test; numerical simulation; energy absorption; Abstract.
They used the material constants already determined by Johnson and Cook [8] and Zerilli and Armstrong [9] for the respective models.
They [9] analyzed the temperature and strain rate response of typical FCC and BCC metals and noticed a significant difference between these materials.
Acknowledgements The authors acknowledge the financial support from the National Nature Science Foundation of China under No.10872100.
Journal of Materials Processing Technology Vol.182(2007), p.319.

Generally, the doping into materials plays important role for the material properties.
Shimizu: Journal of Physics.
Shimizu: Key Engineering Materials, Vol. 962 (2019) p. 17 [11] H.
Shimizu: Key Engineering Materials, Vol. 853 (2020) p. 63 [12] H.
Shimizu: Key Engineering Materials, Vol. 1023 (2021) p. 9

In practical testing of materials we very often put the fresh samples to water to the age of 28 days.
Requirement for concrete was its composition available raw materials, low water-cement ratio and good workability.
This method works on intrusion of mercury to pores of studied piece of material.
Han, Material properties of air-cured ultra-high-performance steel-fiber-reinforced concrete at early ages, International Journal of the Physical Sciences, 5 (2010).
Parra-Montesinos, Ultra-high performance concrete and fiber reinforced concrete: achieving strength and ductility without heat curing, Materials and Structures, 45 (2011).