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Many studying results show that the confined pressure have an important impact on compressive mechanical properties of brittle materials as rock and concrete[8,9].
It is easy to study the materials’ mechanical performance by the active confined pressure, but the device of active confined pressure is also relatively more complex.
Acknowledgment This work was financially supported by National Natural Science Foundation of China (51104123) and  Science and Technology Support Item of Sichuan (2011GZ0064).
[5] Kang Y A,Zhang J Y.Uniaxial Compressive behavior of open-cell and closed-cell aluminum foams.Materials Review,Vol.19 (2005), p.122-124.
(In Chinese) [7] Shi S Q,Kang J G,Sui S B.Experimental study of quasi-static and dynamic compressive property of close-cell aluminum foam.Rare Metal Materials and Engineering, 2011，40(2)：150-154.Vol.26 (2006), p.46-52.

Arof, Dielectric properties and morphology of polymer electrolyte based on poly(ɛ-caprolactone) and ammonium thiocyanate, Materials Chemistry and Physics, 134 (2012) 755-761
Chai, Conductivity, dielectric behavior and FTIR studies of high molecular weight poly(vinylchloride)–lithium triflate polymer electrolytes, Materials Science and Engineering: B, 139 (2007) 240-245
Kadir, Proton conducting polymer electrolyte based on plasticized chitosan–PEO blend and application in electrochemical devices, Optical Materials, 35 (2013) 1834-1841
Isa, Structural and electrical properties of carboxy methylcellulose- dodecyltrimethyl ammonium bromide-based biopolymer electrolytes system, International Journal of Polymeric Materials, 61 (2012) 30-40
Isa, Structural and ionic transport study on CMC doped NH4Br: A new types of Biopolymer Electrolytes, Journal of Applied Sciences, 12 (2012) 174-179

Lagura2,3,c 1School of Chemical, Biological, Materials Engineering and Sciences, Mapua University, 658 Muralla St., Intramuros, Manila 1002, Philippines 2School of Graduate Studies, Mapua University, 658 Muralla St., Intramuros, Manila 1002, Philippines 3Department of Science and Technology – Industrial Technology Development Institute, DOST Compd., Gen.
Methodology Materials.
The materials used to fabricate the nanocomposite membranes were Polysulfone (PSf) pellets (MW 3500 g/mol) and zeolite nanoparticles/nanozeolite provided by Department of Science and Technology - Industrial Technology Development Institute - Materials Science Division (DOST-ITDI-MSD) and N-Methyl-2-pyrrolidone (NMP) from the Department of Institutional Laboratory Management Office (ILMO), Mapua University.
Millare in: Self-Healing of Epoxy-Loaded Halloysite Nanotubes/Polysulfone Nanocomposite Membrane, Materials Science Forum 1053, 91-97 (2022) [6] T.A.
Mohsenzadeh in: Experimental Studies and Toughening Mechanisms of PA/Zeolite Nanocomposites, Journal of Mechanical Engineering Science (2021) [13] A.A.

Table 1 Chemical Composition (%) of Q345E Steel Designation of Material C Si Mn P S V Nb Ti Al Q345E 0.15 0.32 1.48 0.011 0.003 0.02~0.15 0.015~0.060 0.02~0.20 0.032 According to GB / T 6398-2000 “Experimental Methods for Fatigue Crack Growth Rate of Metal Materials", experiments were conducted by using the equipment MTS 810 material testing system under the conditions as follows: the maximum load , the stress ratio , the frequency of 10 Hz, the load waveform of a sine wave.
Fig. 1 Curve Fig.2 Curve In accordance with the Pairs Equation [1]: (4) Where: is the crest value of the stress intensity factor, C and m is the constant of materials.
With the increasing rate of crack growth, it goes up while the Constant C of the materials in the Pairs Equation becomes gradually smaller and Constant m increases.
The crack growth rate da/dN corresponding to different survival rates p goes up with the increasing rate of the survival rate, the Constant C of the materials in the Pairs Equation becomes gradually smaller and the Constant m increases.
Erdogan; A Critical analysis of Crack Propagation Laws; Journal of Basic Engineering; Vol. 85(1963) ; p. 528-534 [2] Dr.

Materials and testing methods All chemicals were obtained from commercial sources and used without further purification.
Li, Journal of Fire Sciences, 29(3)(2011): pp. 227-242
Pospiech, Journal of Applied Polymer Science, 104(4) (2007): pp. 2260-2269
Miwa, Journal of Applied Polymer Science, 101(5) (2006): pp. 3367-3375
Yang, Journal of Applied Polymer Science, 122(5) (2011): pp. 3383-3389

b CSIRO Materials Science and Engineering, Highett, Australia.
Journal of Materials Science 47 (12):4876-4883 [6] C.K.
Journal of Hazardous Materials 114 (1–3): (2004) 59-67
Chemistry of Materials 22 (18): (2010) 5199-5208
Materials Science and Engineering: B 117 (2): (2005) 163-168.

Lindgren: Mechanical Behaviour of Materials IV, Pergamon Press, New York, (1984), p. 273-279
Zacharia: Welding Journal, 73 (1994), p. 164-172
David: Welding Journal, 76 (1997), p. 470-483
Miodownik: In: Pergamon Materials Series vol 1, Elsevier Science, Oxford, New York, Tokyo (1998)
Sundman: Computational Tools For Materials Science, Calphad, 26 (2002), p. 273-312

The traditional solutions are heat treatment for tool materials or wear-resistant coating for tools.
Specifically, it is not clear whether the magnetic field influences the mechanical and physicochemical processes occurring and/or the properties of the materials [7].
Koepke: Journal of Materials Processing Technology.
Klamecki: Journal of Materials Processing Technology.
Mei et.al: Journal of Materials Processing Technology.

The materials differed in grain size with the hot rolled materials showing a considerably smaller grain size.
Nilsson, Overview: Super Duplex Stainless Steel, Materials Science and Technology, 8 (1992) 685-700
Pettersson, Surface Integrity of 2304 Duplex Stainless Steel After Different Grinding Operations, Journal of Materials Processing Technology 229 (2016) 294-304
Mateo, Effect of the annealing temperature on the mechanical properties, formability and corrosion resistance of hot-rolled duplex stainless steel, Journal of Materials Processing Technology, 209 (2009) 1770-1782
Padilha, Comparative study on sigma phase precipitation of three types of stainless steels: austenitic, superferritic and duplex, Materials Science and Technology, 22(9) (2006) 1098-1104

Many efforts including metal doping[4-5], coating with the electronically conductive materials like carbon, metal, and metal oxide[6-9], and optimization of particles with suitable preparation procedures[10-11] have been made to improve the performance of LiFePO4 cathode materials.
Electrochemical properties of LiFe1−xMgxPO4 for cathode materials of lithium ion batteries[J].
Journal of Central South University(Science and Technology), 2006, 37(6): 1094-1097.
High-rate properties of LiFePO4/carbon composites as cathode materials for lithium-ion batteries[J].
High-rate capability of LiFePO4 cathode materials containing Fe2P and trace carbon[J], Journal of Power Sources, 2012, 199: 256-262