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Effects of Chemical Compositions of Welding Rods on J-R Fracture Resistances and Tensile Properties of Type 347 Welds Ji-Hyun Yoon1,2,a, Bong-Sang Lee1,a and Eui-Pak Yoon2,b 1 Nuclear Materials Division, Korea Atomic Energy Research Institute 150 Deokjin-dong, Yuseong-gu, Daejeon, 305-353, Korea 2 Division of Advanced Materials Science Engineering, Hanyang Univ. 17 Haengdang-dong, Seongdong-gu, Seoul, 133-791, Korea a jhyoon4@kaeri.re.kr, bbongsl@kaeri.re.kr, cepyoon@hanyang.ac.kr Keywords: Type 347, Weld, Austenitic stainless steel, Surge line, Carbon, Nitrogen, Niobium, J-R, Tensile, Nb(C,N) Abstract.
However, there has been relatively little research directed towards the effects of welding materials on mechanical properties of type 347 weld which was deposited by gas tungsten arc welding (GTAW) method [3,4].
Optical micrograph showing typical γ-δ duplex microstructure of type 347 weld Experimental Material.
DeLong: The Welding Journal July (1974), p. 273s
SEM-EDS analysis for ppts providing void initiation sites in SS347W-1 weld. [5] ASTM, E 8: Standard Test Method for Tension Testing of Metallic Materials (ASTM, USA, 2001)

Concrete is a porous material. 
Acknowledgements This work is financially supported by the National Natural Science Foundation of the P.
Construction and Building Materials,1997,11(7): 413
[22] American Society for Testing and Materials.
ACI Materials Journal, 1992，89(1):49-53

Experimental Materials Plain-weave cotton, silk and nylon fabrics with the weights of 120, 95 and 170 g/m2, respectively, were used.
It is derived from natural renewable resource materials such as corn and cassava [7].
Her research interests are in eco-textile fields including bio-based materials, agricultural waste utilization for textiles and dye synthesis for cleaner dyeing technology.
Vol. 33(6) (2004), p. 329 [5] Preferred Fiber & Materials Market Report 2018, in Textile Exchange (2018) [6] R.S.
Na Phatthalung : Applied Mechanics and Materials Vol. 535 (2014), p. 641 [15] J.

Due to their high strength, exceptionally good fracture toughness and wear, corrosion as well as fatigue resistance, maraging steels are considered as important materials for space, military, automobile, tooling and other commercial applications.
Materials Methods Hot rolled conventional maraging steel was obtained from M/s Bharat Aerospace, Mumbai, India.
Jarfors, Taishi Matsushita, Dimitrios Siafakas, Roland Stolt,`On the nature of the anisotropy of Maraging steel (1.2709) in additive manufacturing through powder bed laser-based fusion processing’, Materials & Design, 204, (2021),109608, [2] Branco, Ricardo, José DM Costa, Filippo Berto, Seyed Mohammad Javad Razavi, José A.
Materials Science and Engineering: A 798 (2020): 140130
Thompson, Alaa Elwany, Linkan Bian, `Effects of building orientation and heat treatment on fatigue behavior of selective laser melted 17-4 PH stainless steel`, International Journal of Fatigue,Volume 94, Part 2, (2017), 218-235, [6] Wang, B.; Zhang, P.; Duan, Q.Q.; Zhang, Z.J.; Yang, H.J.; Li, X.W.; Zhang, Z.F.

No differences in bone repair with regard to the different materials could be observed.
Biocompatibility of Dental Materials.
Dental materials 32 (2016) 65–72
[24] Kim HK, Woo KM, Shon WJ, Ahn JS, Cha S, Park YS, Comparison of peri-implant bone formation around injection-molded and machined surface zirconia implants in rabbit tibiae Dental Materials Journal 2015; 34(4): 508–515 [25] Suzuki, K., Aoki, K., Ohya, K., 1997.
Scientific World Journal. 2004 Dec 14;4:1083-95

Estadual Paulista - UNESP, Department of Materials and Technology, Faculty of Engineering Guaratinguetá, Av.
Materials and methods TiO2 nanotube layers were fabricated using an anodization process.
Results and discussion Current dental implant uses titanium or titanium alloys as implant materials.
Alves Claro: Journal of Materials Science.
Materials in Medicine Vol. 22 (2011), p. 2457

Shubakov1 1National University of Science and Technology «MISiS», 119049, Leninskiy prospect 4, Moscow, Russia amenushenkov@gmail.com Keywords: Fe-Co-Cr alloys, stepped aging, continuous cooling, secondary decomposition, magnetic properties.
Introduction Magnetically hard Fe-Co-Cr alloys remain attractive permanent magnet materials because of the combination of good mechanical and magnetic properties [1-3].
This work was financially supported by the State task of the Ministry of Education and Science of the Russian Federation No. 2014/113 in 2014.
Magnetic Materials, Moscow: Metallurgia, 1985
Structure and magnetic properties of Fe–Cr–Co nanocrystalline alloys for permanent magnets, Journal of Alloys and Compounds 586 (2014) 291–293.

Thus improving the science and technology level in agriculture, forestry, animal husbandry and fishery is essential.
For example, for an industry of low material consumption and high value added, we could deduct the costs for intangible assets research and purchasing as an input tax to solve the problem of comparatively heavy VAT burden.
For the seven new industries that were proposed in the “Twelfth Five-Year Plan” to develop vigorously: IT, energy-saving environment-protecting, new energy, biology, high-end equipment manufacturing, new materials, new energy vehicles, we should strengthen the R&D support.
Acknowledgements This work was financially supported by the Natural Science Foundation( 71273218).
[4] Sanmang Wu: Journal of Beijing University of Posts and Telecommunications, Vol. 1(2007), p. 24-29.

Journal Citation (to be inserted by the publisher) Copyright by Trans Tech Publications First-Principles Calculation of Positron Annihilation Characteristics in Solids: From Positron to Positronium Z.
Saito 2 1 Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan tang@imr.tohoku.ac.jp, hasegawa@imr.tohoku.ac.jp, nagai@imr.tohoku.ac.jp 2 National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan saitou.mineo@nims.go.jp Keywords: First-Principles Calculation, Electronic Structure, Positron Lifetime, Momentum Density Distribution, Defect, Positronuim Abstract.
Acknowledgements This work is partially supported by Radioactive Waste Management Funding and Research Center, Grant-in-Aid for Scientific Research of the Ministry of Education, Science and Culture (No. 13305044, 14740199, and 15106015), and the REIMEI Research Resources of Japan Atomic Energy Research Institute.

The influences of wall material, internal layout and heat dissipation on the internal Nu number were numerically studied by G.
The influence of the different chassis wall material, location of the internal circuit board and the heat of the board on the flow and temperature field were investigated.
The wall material of the sealed temperature control box is aluminum.
The thickness of the circuit board 1 and 2 are both 1.6mm with the substrate material FR- 4.
Transactions of the ASME Journal of Electronic Packaging, 2008, 130(3):011006 [6] Ralph Remsburg.