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Acknowledgements This work was financially supported by the major program of the national natural science foundation of China(41030749), the national natural science foundation of China(41072223) and the geological survey projects of geological survey bureau of China(1212010914205).
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Steel material properties were generated according to Metallic materials - Tensile Testing (GB228-87, China) [18].
Different thickness steel plate samples were extracted from the same batch of testing materials and their mean material properties can be found in Table 2.
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[18] GB228-87, Metallic materials - Tensile Testing (Standards Press of China, China 1987)

Therefore, we will address these methods and their tolerance of the ceramic materials, such as the SS compound.
The materials compounds investigations have a huge amount of procedures.
This team of researchers trying to finalize their project that searching for the optimum procedure and conditions to fabricate materials compound [1-11].
The synthesis involved using the required amounts of HgO, BaO, CaO, AgO and CuO starting materials.
Jasim, Calculating of crystalline size, strain and Degree of crystallinity of the compound (HgBa2Ca2Cu3O8+σ) by different method, Materials Science and Engineering 928 (2020) 072109, doi:10.1088/1757-899X/928/7/072109 [18] T.

Du: Critical Reviews in Solid State and Materials Sciences Vol. 35 (2010), p. 125
Wallenius: Journal of Nuclear Materials Vol. 321 (2003), p. 84
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The absolute values of the three directions principal stress in the cylinder wall place are larger than or equal to other position of cylinder,Therefore, the cylinder wall is risk place of the entire cylinder.Adopt maximum strain energy theory which is the fourth strength theory.For a variety of high-strength ductile materials used currently，role in cylinder on the wall for the equivalent stress is[5]: (5) When equivalent stress less than the allowable stress materials, materials keep elastic deformation.
cylinder,then this very non-uniform stress distribution will greatly limit the carrying capacity of the cylinder.On the other hand, if we make for cylinder reach the carrying capacity, which will inevitably lead to material waste and improve the cost of the cylinder.Therefore,when the K value of thick-walled cylinder is larger, two-layer structure and high-strength material can be used to make into thin inner sleeve, and jacket part using inexpensive low-strength materials.
Xiangtan University,Natural Science Journal, 1999, 9, 21, No. 3, 79 - 83
[5]Zhang Yuxian,Wang Hong,Chen Shude.Discussion about calculating optimum elastic-plastic interface radius[J],Journal of Chongqing University(Natural Science), 2004,6,27, No. 6, 30-40
[6]Wu Jingdong,Li Xin,Yuan Zhongda.Unified solution of thick-walled cylinder limit pressure analysis[J],Journal of shenyang institute of chemical, 2002.6, 16 (2), 134 ~ 136.

%Si Alloy Wenyi Liu1, a, Cong Xu1, b, Wenlong Xiao1, Maowen Liu1, Jianbin Zhang2, Jiuxin Chen2 and Chaoli Ma1, c*, 1Key Laboratory of Aerospace Advanced Materials and Performance of Ministry of Education, School of Material Science and Engineering, Beihang University, Beijing 100191, China 2Qinhuangdao Development Zone Aluminium Alloy Co.
Journal of Materials Science, 2008, 43(9): 3009-3027
Materials transactions, 2004, 45(2): 323-326
Rare Metal Materials and Engineering, 2010, 39(A01): 216-218
Rare Metal Materials and Engineering, 2012, 41(9):431-435 [19] Norman A F, Prangnell P B, McEwen R S.

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Figure 3 Monthly plans of tungsten powder processing Figure 4 Material requirement plans of tungsten powder processing Ⅵ.
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Fig.1 Specific properties of reinforcing materials Experimental Materials and procedures The short carbon fiber was used as reinforcement.
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