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Information about safety valve including the material of the facture spring can’t be provided.
Therefore the spring material didn’t meet the requirement for spring steel.
Finally, improper material selection contributes to the failure.
Unsuitable material was also a reason for the failure. 4.
Journal of Yangzhou University(Natural Science Edition), Vol l3 No.( 2010), p.38-41(in Chinese)

The weakness of the method is that both geometric nonlinearity and materials nonlinearity are not taken into consideration.
And therefore material nonlinearity can not be neglected.
The second one, only material nonlinearity is considered.
[2] Shouyi Xue: finite element method (China Building Materials Industry Press, China 2005)
[5] Hognestad E, hlanson N W，McHenry D: Concrete Stress Distribution in Ultimate Strength design (ACI Journal Proceeding, 1955) p.455-479 [6] Lianyuan Wu: Plate and shell stability theory (Huazhong University of Science and Technology Press, china 1996).

Considering lightweight material application status at present, three material substitution plans are determined.
Determine the above three materials substitution schemes and origin hood as possible options, namely scheme sets A={ST14;ST14 for inner and aluminum alloy for outer; aluminum alloy; magnesium alloy}.
Define material scheme mi (i = 1,2,3,4) as design variable.
The performance of four material schemes is shown in Tab. 3.
Master's thesis of Tongji University,2008 [3] Yanping Li, Haijiang Liu, Ronghui Tong: Computer Integrated Manufacturing Systems Vol. 17 (2001),p.38-43,in Chinese [4] Jian’e Chang, Taili Jiang: Journal of Wuhan University of Technology Vol.29 (2007),p.153 [5] Meili Zhou:Science of Similarity [M],Beijing Science Press,2004, p.66-69,in Chinese

Carbon-based materials [4], zeolites [5], and mesoporous silicas [6] have been extensively studied for their potential in CO2 physical adsorption.
The materials used in this study were Eco Processed Pozzolan (ePP) obtained from Eco Oils Sdn Bhd and 97% N, N-dimethyl dodecyl amine (Sigma-Aldrich/USA).
The nonlinear rheological properties of materials are significant and disclose a material's complicated behavior under diverse stresses and strains, extending beyond simple linear models, and are critical for understanding material performance in real-world applications.
Bajare, Evaluation of industrial by-products as pozzolans: A road map for use in concrete production, Case Studies in Construction Materials 13 (2020) e00424
Warmadewanthi, Characterization of Spent Bleaching Earth as an adsorbent material for dye removal, Journal of Ecological Engineering 23(2022) 96–104

Synthesis and Characterization of BaTiO3-(Bi0.5Na0.5)TiO3 Solid Solution Based Dielectric Ceramics Guofeng Yaoa, Xiaohui Wangb and Longtu Lic State Key Laboratory of New Ceramics and Fine Processing, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China atgf03@mails.tsinghua.edu.cn, bwxh@tsinghua.edu.cn Keywords: BaTiO3-(Bi0.5Na0.5)TiO3; high Curie temperature; dielectric materials; X9R.
One of the main constituents of ceramic materials used for high-permittivity capacitors is BaTiO3 (BT).
The raw materials were mixed by ball milling in ethanol and then dried.
Further investigation is needed to develop dielectric materials for X9R MLCC application.
Chang, Effect of Sn Doping on the Phase Transformation Properties of Ferroelectric BaTiO3, Journal of Materials Science: Materials in Electronics 12 (2001) 527-531

The results of the study indicate that Carbon/epoxy composites are strain rate dependent materials.
Stacking sequence has a significant effect on the material response.
Acknowledgements The authors wish to thank the National Basic Research Program of China through Grant No. 2006CB601202, the National Science Foundation of China (Grant No. 10572111) and the National Science Foundation (aeronautical joint fund) of China (Grant No. 10377010) for financial support of this work.
Tanabe: Int Journal Impact Eng Vol. 27 (2002), p. 497

Then a parametric study was carried out in order to evaluate the influence of the process parameters on the internal quality of the rolled material. 1- Introduction Today, the progression of the European market in manufactured product area is lower than emerging countries market, which has a double-digit growth.
Table 1 Parameters of the rolling mill during the measurements Parameters Bloom Rolls Material 41Cr4 - Temperature 1200°C Between 65 and 90°C Diameter 270mm Between 350 and 700mm Length 2000mm - Measurements have been performed on the production line to adjust the model with industrial data.
Fig. 5 Comparison of torque between experimental measurements and adjusted model Fig. 6 Comparison of temperature between experimental measurements and adjusted model The loading of material is known in the rolled product for each stand like the stresses, the hydrostatic pressure, the strain rate and the plastic strain (see Fig. 7) [1].
NALAWADE and al, Simulation of hot rolling deformation at intermediate passes and its industrial validity, International Journal of Mechanical Sciences (2003) [2] H.
GU and al, Multi-field coupled numerical simulation of microstructure evolution during the hot rolling process of GCr15 steel rod, Computational Materials Science (2011)

Chen: Journal of Loss Prevention in the Process Industries, 26 (2013): 1390-1398 [3] Hakkarainen, Mikkola, Laperre, et al: Fire and Materials, 24 (2000): 101 - 112
Mégret: Fire Safety Journal ,37 (2002): 525 - 533
[7] Gunnar Heskestad: Fire Safety Journal, 5(2) (1983): 103-108 [8] Cozzani V, Gubinelli G, Antonioni G, et a: Journal of Hazardous Materials, A127 (2005): 14 – 30
[10] Eulàlia Planas-Cuchi, Joaquim Casal: Journal of Hazardous Materials, 62 (1998): 231–241
Fire Safety Journal, 60 (2013) 73 - 81

Rare Metal Materials and Engineering [J], 2009, 384: 671-676
Journal of Material Science and Engineering [J], 2004, 222: 204-208
Goel, Applied Surface Science [J], 2016, 3705.: 418–426
Rare Metal Materials and Engineering [J], 2017, 463.: 704~710 [15] Jianhui Yuan, Qing Zhan, Jing Huang, Siyue Ding, Hua Li.
Materials Chemistry and Physics [J], 2013, 1421.: 165-171 [16] Qing Zhan, Ligen Yu, Fuxing Ye, Qunji Xue, Hua Li.

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