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Effects of penetrated graphite on tribological properties of copper based journal bearing Kazuki TANIZAWA1,a, Hatsuhiko USAMI1,b, Tomohiro SATO2,c, Yoshimasa HIRAI2,d and Takehisa FUKUI2,e 1 Materials science and engineering department, Meijo University 1-501 Shiogamaguchi, Tempaku, Nagoya 468-8502 JAPAN 2 Kurimoto Center for Innovative Technology, Kurimoto,LTD. 2-8-45, Shibatani, Suminoe-ku, Osaka 559-0021 JAPAN a e0727847@ccalumni.meijo-u.ac.jp, b usami@meijo-u.ac.jp, c tom_sato@kurimoto.co.jp, d y_hirai@kurimoto.co.jp, e ta_fukui@kurimoto.co.jp Keywords: tribology, bearing, copper based alloy, graphite dispersion, micro shot peening Abstract.
Since the specimen was a porous material, the graphite was also penetrated into the pores.
Usami et al, Applicability of Fine Particle peening as Surface Modification Methodology, Journal of Japanese society of tribologist 10, 56(2011) 609-615, in Japanese [2] T.
Sato et al, Tribological Properties of Porous Cu Based Alloy Containing Nano Sized Sulfide Particles, JSME international journal, Journal of Advanced Mechanical Design, Systems, and Manufacturing, 1, 6 (2012) 158-167

Journal of Composite Materials, 2018, 52(10): 1317–1330
New Carbon Materials, 2016,31(2):176-181
Journal of Applied Mechanics,2014,81(3)
Corrosion Science, 2018, 141: 1-13
Synthetic Materials Aging and Application, 2014, 43(1): 35-40(in Chinese).

Besides stone, building materials of Mount Lu villas also include metal tile, flashing, brick
(1) Stone In the selection of building materials in the west and China, in addition to natural factors, more importantly, different culture and ideas matter.
It is worth mentioning that roof materials of the church are different from other villas, for most villas in Mount Lu, their roofs are made of metal materials, while 2 roof slopes of the No. 283 church are made of small bluestones which are from the south of Mount Lu.
Analysis of building materials used in key parts of villas in the Mount Lu (1) Base It is also called foundation.
Cross hollow masonry structure of these materials cover the above space, enclose the walls and support the roof.

Introduction The extensive research on optical glass materials had been done to produce the high optical ability in glass materials for optoelectronics applications.
Zinc oxide: Outstanding materials to reduce the melting temperature and may act as former glass The introduction of rare earth oxides as dopants in glass materials had been widely investigated.
Erbium oxide are the well-known dopant which had been used in many glass materials.
The optical absorption study in glass materials is crucial to relate with the theory of electronic structure of amorphous materials.
Halimah, W.M.Daud, Synthesis and Optical Properties of ZnO-TeO2 Glass System, Journal of Applied Science 6(8) (2009) 1489-1494

On the Issue of Predicting the Strength Characteristics of Dispersed-Hardened Polymeric Composite Materials at the Design Stage of Engineering Products Notin Ilia1, a 1Bauman Moscow State Technical University (BMSTU, 105005, Moscow, Russian Federation, 2nd Baumanskaya St., Bldg. 5, Block 1 ainotin@ya.ru Keywords: particulate filled polymeric composite materials, strength characteristics, composite materials, mechanical engineering, machine building technology Abstract.
The use of new promising materials allows achieving higher operational and technological characteristics of the final product.
Thus, a significant reduction in time and material costs at the stage of preparation of production of products from dispersed-reinforced polymeric composite materials is possible.
Thurn-Albrecht: Journal of Materials Research.
(Science, USSR, 1978) [10] Tarasov V.

Introduction Advances in extreme engineering have accelerated the requirement of new materials for use in very stringent conditions.
Werheit :Materials Science and Engineering B Vol.29 (1995)p.228
[19] M.B.Dobrova,B.I.Kozynkin,V.I.Kalvgin,A.V.Agafonov,A.A.Fadeev,E.S.Sidorenko: Journal of Advanced Materials Vol.1 (1994),p69
Seshadri : Compositional and structural variations in solid state formed boron carbide, Recent Advances in Composite Materials (Intelligent, Smart , Sustainable & Infrastructural Materials) Edited by V.
This paper is under publication in special edition of the Journal"Material Science and Engineering A"

Some additional tests were also conducted for other two materials.
Yamane: Journal of Materials Processing Technology Vol. 134 (2003), p. 233 a.
Kishi: Transactions of the ASME: Journal of Manufacturing Science and Engineering Vol. 119 (1997), p. 110 [3] S.L.
Li: Materials Science and Engineering Vol.
Malkin: Transactions of the ASME: Journal of Manufacturing Science and Engineering Vol. 123 (2001), p. 191 [11] W.B Rowe, S.C.E.

The objective of this paper is to investigate the optimal parameters of added nano-materials.
With the developments of nanotechnology, adding nano-materials to improve the thermal performance of traditional materials have been widely studied [1, 24-27].
The above-mentioned added nano-materials have high stability and the advantages of hard aging.
TEM image of the nano-materials.
[26] Guiyin Fang, Hui Li, Fan Yang, Xu Liu, ShuangmaoWu: Chemical Engineering Journal Vol. 153 (2009), p. 217

Table 2 shows the analysis results for all impact forces and materials.
Chawla, Mechanical Behavior of Materials.
Smith, The Science of Engineering Materials, 3rd ed., Prentice-Hall Inc, New Jersey, 1986
Pagnotta, Determining the elastic constants of isotropic materials by modal vibration testing of rectangular thin plates, Journal of Sound and Vibration. 293 (2006) 426-439
Science and Engineering A. 368 (2004) 56-70

Figure 1 shows the properties comparison among the homogeneous metallic materials, composite and functionally graded materials, the performance of functionally graded materials have obvious advantages.
Materials Review, 2000,14(4): 13-15
Materials Science and Engineering of Powder Metallurgy, 2005,10(5): 257-263
Materials Engineering, 1993 (6): 16-19
Journal of Wuhan University of Science and Technology, 2000,13(1): 1-5