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Pharr: Journal of Materials Science and Engineering Vol.
Wang: Journal of Material Science Vol. 44 (2009), p. 6155
Hong, Relationship between mechanical properties and microstructure of ultra-fine gold bonding wires: Journal of Mechanics of Materials Vol. 38 (2006), p. 119
Oh: Journal of Metallurgical and Materials Transactions A Vol. 34A (2003), p. 1113
Andrade: Journal of Material Characterization Vol. 58 (2007), 380-389.

PM superalloy is regarded as one of the most important aerospace industry materials.
The mentioned characteristics result in high complexity in machining process of PM materials.
Zhang, Journal of Iron and Steel Research, International, 13 (2006) 65-68
Thomas, Materials Science and Engineering, 402 (2005) 325-334
Selecka, Journal of Materials Processing Technology, 176 (2006) 62-69

Introduction Despite having high tensile strength, most fiber-reinforced polymer (FRP) materials suffer from relatively low modulus of elasticity compared with steel.
Finite element model The type of unit Concrete unit The Solid65 unit in ANSYS is a three-dimensional solid element, specially developed as concrete, rock, and other materials’ simulation.
It can simulate the concrete materials specific to cracking, crushing and other mechanical phenomena, has a good pre-defined criteria for the destruction of concrete.
Constitutive materials and related parameters The steel rebar constitutive Bilinear Kinematic Hardening Plasticity model was adopted in Steel yield criterion.
Acknowledgements This work was financially supported by the Natural Science Foundation of Jiangxi Province (20122BAB216005).

The APF of bulk hexagonal ZnO materials is about 0.74, however in our investigation, the APF of Zn(1-x)MnxO nanoparticles is nearly 0.75.
It implied that APF values in nanocrystals are somewhat larger than that of bulk materials.
It is possibly due to the size effect in the nanocrystalline materials.
Nancarrow, ZnO nanofluids : Green synthesis, characterization, and antibacterial activity, Materials Chemistry and Physics 2010 121 198-201
Saleeh, Composition Dependence of Structure and Magnetic Properties in Manganese Doped Nanocrystalline ZnO Particles Prepared by Co-Precipitation, Materials Science and Applications 3 2012 245-252

Hao et al., Materials & Design 31 (2010) 3146-3150
Yu, Materials Science & Engineering B 176 (2011) 1110-1114
Cheng, Journal of Materials Chemistry 2 (2014) 1519
Zak, Materials Letters 110 (2013) 172-175
Dorey, Journal of Materials Science 47 (2012) 1938-1942

FOREWORD We do our best to increase the quality, scientific novelty and the engineering significance of published materials that, in the first place, will be very useful for young researchers.
Journal “Advanced Engineering Forum" is a periodical journal and overs a wide range of engineering sciences from different branches of human activity.
Modern developments in applied and engineering sciences are generated rapidly as a result of interdisciplinary research and scientific solutions at the intersection of various branches of human knowledge.
This volume of the journal was created on these principles.
We hope that our journal will be useful to your scientific work.

The authors have applied laser peening without coating (LPwC) to metallic materials.
Compressive residual stress nearly equal to the yield strength of the materials was imparted on the surface.
Introduction Laser peening is an innovative surface enhancement technology to introduce a compressive residual stress on metallic materials [1].
Ochi: Materials Science and Engineering A, Vol.417 (2006) p.334
Tanaka: Journal of the Society of Materials Science, Japan, Vol.54 (2005), p.710

XU: Journal of Magnetism and Magnetic Materials, Vol. 308 (2007) No.2, p.227
Xu: Materials Science and Engineering, Vol. 426 (2006) No.1, p.169
Akhtar: Journal of Magnetism and Magnetic Materials, Vol. 309 (2007) No.2, p.300
Riveiro: Materials Science Forum, Vol. 175-178 (1995) p.299
Huang: Materials Science and Engineering, Vol. 128 (2006) No.1, p.179

Materials Science and Technology,2000,8(4):57-62
Materials Science and Technology 2007.15(3):316-318
Journal of University of Electronic Science and Technology of China 2010,39(3)470-474
[8] Fang S F,Wang M P,Qi W H,eta1.Hybrid genetic algorithms and support vector regression in forecasting atmospheric corrosion of metallic materials[J].Computational Materials Science,2008, 44(2):647—655
Electronic Journals，2002，31( 1) : 1-6

Improved Fracture Strength of 5YSZ/Al2O3 Composite Matrix by Addition of SiO2 for Planar Automotive Oxygen Sensor Lei Wu1,a, Ben Ma2,b*, Jian Pu1,c, Bo Chi1,d, Jian Li1,e 1Center for Fuel Cell Innovation, School of Materials Science and Engineering, Huazhong University of Science and Technology, 1037 Luo Yu Road, Wuhan, Hubei 430074, China 2College of Science, Wuhan University of Science and Technology, 947 He Ping Avenue, Wuhan, Hubei 430080, China aM201570738@hust.edu.cn, bmaben@wust.edu.cn, cpujian@hust.edu.cn, dchibo@hust.edu.cn, elijian@hust.edu.cn Keywords: 5YSZ/Al2O3; Composite ceramic; Fracture strength; Ring-on-ring method; Planar automotive oxygen sensor Abstract: As the ceramic substrate materials in automobile oxygen sensor, 5YSZ/Al2O3 matrix composite ceramic with different amount of silica are prepared by ball milling, tape casting, and sintering.
Table 1 The composite ceramic formulas [g] Sample 0S 1S 2S 5YSZ 280.5 277.5 274.5 Al2O3 19.5 19.5 19.5 SiO2 0 3 6 Total 300 300 300 The England Melvin mastersizer 3000 was used to analysis the compatibility among 5YSZ powders (Guangdong Huawang Zirconium Materials Co.
Fig.5 Element mapping of different composite ceramics Summary To improve the fracture strength of 5YSZ/Al2O3 substrate materials in automobile oxygen sensor, SiO2 was added into the matrix of 5YSZ/Al2O3 to form SiO2/5YSZ/Al2O3 ceramic composites with various SiO2 contents between 0 and 2 wt. %.
[6] Jinfeng Xia, Hongqiang Nian, Wei Liu, et al., Synthesis, Sintering Behavior, Structure, and Electrical Properties of 5YSZ Electrolyte, Journal of Materials Engineering and Performance, 2015. 24: 2191-3299
[10] American Society for Testing and Materials.Standard Test Method for Monotonic Equibiaxial Flexural Strength of Advanced Ceramics at Ambient Temperature.2009