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In this investigation, a 4.762 mm diameter HIP-sintered silicon nitride bearing ball (TSN-03, Toshiba Materials Co., Ltd.) was used as the specimen.
Ritchie, “Mechanism of Fatigue Crack Propagation in Metals, Ceramics and Composites: Role of Crack Tip shielding”, Material Science and Engineering: A, Vol. 103, Issue 1, pp. 15-28, (1988)
Suresh, “Dynamic Fatigue Crack Growth in Polycrystalline Alumina under Cyclic Compression”, Journal of Material Science Letters, Vol. 5, pp. 774-778, (1986)
Suresh, “Crack Propagation in Ceramics under Cyclic Loads”, Journal of Material Science, Vol. 22, pp. 1173-1192, (1987)
Kida, “Observation of Crack Growth Behavior of Various Cracks in 4.762mm Diameter Silicon Nitride Balls under Cyclic Compressive Load”, Materials Science Forum, Vol. 971, pp. 101-105, (2019).

Surface coefficient of heat transfer of materials temperature (°C) 20 100 200 300 400 500 600 700 800 900 1000 copper electrode (W/m2·°C) 0 11.16 15.31 19.96 25.62 32.57 41.02 51.20 63.29 77.50 94 DP600 (W/m2·°C) 25 Thermoelectric Properties of Materials.
Chicago, USA, 2004, 539~545 [3] Shi G, Westgate S.A, Resistance spot welding of high strength steels, International Journal for the Joining of Materials, 2004, 16 (1)9~14 [4] Agashe S, Zhang H, Selection of schedules based on heat balance in resistance spot welding, Welding Journal, 2003 (7)179~183 [5] Aslanlar S, The effect of nucleus size on mechanical properties in electrical resistance spot welding of sheets used in automotive industry.
Materials and Design, 2006, 27, 125~131 [6] Xu J.H, Jiang X.P, Zeng Q,et al, Optimization of resistance spot welding on the assembly of refractory alloy 50Mo-50Re thin sheet, Journal of Nuclear Materials, 2007, 366, 417~425 [7] Aslanlar S, Ogur A, Ozsarac U, et al, Effect of welding current on mechanical properties of galvanized chromided steel sheets in electrical resistance spot welding, Materials and Design, 2007, 28, 2~7 [8] Kahraman N, The influence of welding parameters on the joint strength of resistance spot-welded titanium sheets, Materials and Design, 2007, 28, 420~427 [9] Bouyousfi B, Sahraoui T, Guessasma S, et al, Effect of process parameters on the physical characteristics of spot weld joints.
Materials and Design, 2007, 28, 414~419 [10] Long X, Khanna S.K, Fatigue properties and failure characterization of spot welded high strength steel sheet, International Journal of Fatigue, 2007 29, 879~886 [11] Sun D.Q, Lang B, Sun D.X, et al, Microstructures and mechanical properties of resistance spot welded magnesium alloy joints, Materials Science and Engineering A, 2007, 460-461: 494 ~498 [12] Kearns W.H, Welding Processes, AWS Welding Handbook, 3. 7th ed.
Journal of Materials Processing Technology, 2008, 327~335 [14] Marashi P, Pouranvari M., Amirabdollahian S, et al, Microstructure and failure behavior of dissimilar resistance spot welds between low carbon galvanized and austenitic stainless steels, Materials Science and Engineering A, 2008, 480 (1-2)175~180 [15] Wang L, Wang M., Lu F.G, Dynamic simulation of resistance spot welding of zinc-coated steels, China Welding, 2006, 15(4)39~42 [16] Gould, Modeling primary dendrite arm spacings in resistance spot welds: PartⅠ-modeling studies, Welding Journal, 1994, 73(4)67~74 [17] Gould, Modeling primary dendrite arm spacings in resistance spot welds: PartⅡ-experimental studies, Welding Journal, 1994, 73(5)91~100

The shape stealth design and radar absorbing materials are two main means.
RESEARCH PROGRESS OF THE MATERIALS FOR RADAR ABSORBING COATINGS, Modern Paint and Finishing, 2003,02:28-31
Dong, Electromagnetic Wave Shielding and Absorbing Materials, Chemical Industry Press, Beijing, 2006
Journal of Wuhan University of Technology Mater Sci.
Research Development of Preparation Technology of Radar Absorbing Coating .Materials Review,2011,05:10-14

Electronic materials.
With publication and circulation of a large number of teaching materials, the selection of teaching material is more and more extensive.
In order to coordinate the issue of teaching materials, most of the editors produce multimedia teaching courseware together with the teaching materials, but the software displays mainly book knowledge, that is, an electronic material.
[5] Keqiang Ren and Yunhao Li: Journal of Jianxi University of Science and Technology Vol. 27 (2006), p. 63-65.
[7] Zhiyan Jia and Jianjun Chen: Journal of NUC(Social Sciences) Vol. 21 (2010), p. 94-96.

Journal of Anhui University (NATURAL SCIENCE EDITION), 2012, 34(4): 112-114
Journal of Xiamen University (NATURAL SCIENCE EDITION), 2013, 48(5): 56-59
Journal of marketing science, 2011, 13(3): 41-51
Magnetic materials and devices, 2011, 2(1): 59-61
Journal of Xinyang Normal University (NATURAL SCIENCE EDITION), 2011, 21(4): 105-19

Rahman: Journal of Materials Processing Technology, Vol. 190(2007), pp. 73-76
Wang: Key Engineering Materials, Vol. 315-316(2006), pp. 516-520
Chi: Journal of Materials Processing Technology, Vol. 205(2008), pp. 128-137
Gindy: Journal of Materials Processing Technology, Vol. 172(2006), No. 3, pp. 363-371
Junkar: International Journal of Materials and Product Technology, Vol. 29(2007), pp. 344-357

This makes aluminum nanopowder prepared by electric explosion preferable for the modification of filter materials.
The modification of filter materials results in an increase of selectivity of division and productivity due to change of geometrical characteristics of pores and an increase of mechanical properties.
Application of aluminum nanopowder for modifying the filter materials This work is directed to creation of a dynamic membrane with the given properties which combines in itself advantages of membranes and possesses much more opportunities.
Acknowledgement The work was supported by State task «Science» 7.1326.2014.
Frost, Surface modification of alumina nanofibres for the selective adsorption of alachlor and imazaquin herbicides, Journal of Colloid and Interface Science. (2011) 132-138

Journal of Magnetism and Magnetic Materials, 2018. 448: p. 332-338
Materials Science and Engineering: C, 2010. 30(3): p. 484-490
Journal of magnetism and magnetic materials, 2006. 306(2): p. 248-253
Journal of Materials Chemistry, 2004. 14(18): p. 2781-2786
Journal of magnetism and magnetic materials, 2012. 324(4): p. 534-539

Ahmed, Responsivity and Response Time of Nano Silver Oxide on Silicon Heterojunction Detector, International Journal of Nanoelectronics and Materials 11 (2018) 109-114 [8] S.
A Abduljabar, Some of Electrical and Detection properties of nano silver oxide, IOP Conference Series: Materials Science and Engineering 454(1) 2018 012161. doi:10.1088/1757-899X/454/1/012161 [10] A.J.
Ezema, Structural and Optical Properties of Chemical Bath Deposited Silver Oxide, Thin Films: Role of Deposition Time, Advances in Materials Science and Engineering. 2013 (2013) Article ID 450820 8 pages | https://doi.org/10.1155/2013/450820
Nanoelectronics and Materials 9 (2016) 93-102 [14] N.F.
Raoof, Structural and Optical Properties for Nanostructure (Ag2O/Si & Psi) Films for Photodetector Applications, Baghdad Science Journal, 16 (4) (2019) 1036-142

The theory of material bimodularity has found wide application in the problems of calculating the strength and rigidity of structural elements made of composite and polymeric materials.
A similar relationship has been found not only in new materials, such as various composite structures, polymers, graphites, glass-reinforced plastics, but also in traditional structural materials such as cast iron, steel, and ceramics.
Materials and Methods The paper considers plane bending of a reinforced beam of variable rectangular cross section, arbitrarily loaded with a filler of bimodular material.
Ambartsumyan, Elasticity theory of different moduli, Science, Moscow, 1982
Voyiadjis, Alexander Zolochevsky, Thermodynamic modeling of creep damage in materials with different properties in tension and compression, International Journal of Solids and Structures. 37(issue 24) (2000) 3281-3303