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By using the mass flow rate equation presented by Fukui and Kaneko [8, 9], Yoshimoto et al.[10] investigated the seal system for an aerostatic journal bearing used in a high vacuum chamber; the theoretical analysis showed that a three-stage seal system can achieve a higher degree of vacuum in the vacuum chamber than a two-stage seal system.
Reizo: Journal of Tribology Vol. 110 (1988), p.253
Reizo: JSME International Journal Vol. 30 (1987), p.1660
Kim: Key Engineering Materials Vol. 39 (2007), p.39
Revised edition, North-Holland Publishing Company-Amsterdam-New York-Oxford (1982) [14] Gao B H and Cui S Y: Vacuum Physics, Science Press (1983)

Evaluation of External Noise Produced by Transverse Rumble Strips on Rural Roadways Mohd Hanifi Othman1,a, Zaiton Haron1,b, Mohd Badruddin Mohd Yusof2,c, Mohd Rosli Hainin3,d, Khairulzan Yahya4,e, Haryati Yaacob3,f, Shamila Azman2,g 1Department of Structure and Materials, Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310, Skudai Johor Malaysia 2Department of Environmental Engineering, Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310, Skudai Johor 3Department of Geotechnics and Transportation, Faculty of Civil Engineering, Universiti Teknologi Malaysia 81310 Skudai Johor Malaysia 3Construction Technology and Management Centre, Faculty of Civil Engineering, Universiti Teknologi Malaysia 81310 Skudai Johor Malaysia amohdhanifi@ymail.com, bzaitonharon@utm.my, cmbadruddin@utm.my, dmrosli@utm.my ekhairulzan@utm.my, fharyatiyaacob@utm.my, gshamila@utm.my Keywords: Transverse rumble strips; noise pollution; traffic noise index (TNI) Abstract: Transverse
Ouis: submitted to Journal of Environmental Psychology (2001) [6] S.
Raaschou-Nielsen: submitted to European Heart Journal (2011) [9] L.
Watkins, in : Environmental Effects of Road Traffic, edited by Applied Science Publisher, Essex, England (1981), in press [10] H.
Russell: submitted to Journal of Transportation Engineering (2011)

Materials and methods Subjects.
Acknowledgements This work was financially supported by the National Nature Science foundation of China (#81271659).
Human Factors: The Journal of the Human Factors and Ergonomics Society, 36(2) 1994, 244-257
Wang, Effect of magnitopuncture on sympathetic and parasympathetic nerve activities in healthy drivers--assessment by power spectrum analysis of heart rate variability, European Journal of Applied Physiology, 88, 2003, 404–410
Craig, Electroencephalography activity associated with driver fatigue: Implications for a fatigue countermeasure device, Journal of Psychophysiology, 15, 2001, 183–189

Numerical Simulation of Forging Process in Deform 3D Štefan Hajdu Department of Applied Mechanics and Mechatronics, IAIAM, Faculty of Materials Science and Technology, Slovak University of Technology, Jána Bottu 25, Trnava stefan.hajdu@stuba Keywords: FEM, forging, DEFORM, forming, finite element method.
The difference between a hot forming and a cold forming is that in hot forming, up to ten times less force is required to deform the material because there is no strengthening of the material.
Material definition The material of the workpiece is the low-alloy high-grade chrome-molybdenum steel with the designation DIN-42CrMo4, which is designed primarily for forming.
The workpiece (yellow) material behaviour was defined as „Deformable“.
Science and Technology-Research Journal , Volume: 11 Issue: 2 Pages: 231-239 [12] ŠPANIEL, M., HERÁK, Z. 2011.

Service Temperature Evaluation of Cast K465 Superalloy Turbine Vane Based on Microstructural Evolution Zhen Zheng1,2,3,4,a*, Jingyi Zhou1,2,3,4,b, Wenxia Zhao1,2,3,4,c and Yunrong Zheng 1AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China 2Beijing Key Laboratory on Aeronautical Materials Testing and Evaluation, Beijing 100095, China 3Aviation Key Laboratory of Science and Technology on Materials Testing and Evaluation, Beijing 100095, China 4Key Laboratory of Aeronautical Materials Testing and Evaluation, Aero Engine Corporation of China, Beijing 100095, China azhengzhen_226@163com, bzhjy_1987@126.com, clawrence_1984@126.com Keywords: K465 superalloy; overtemperature; incipient melting; microstructural evolution.
Journal of meterials engineering. 8 (2012) 39-44
Materials for mechanical engineering. 6(7) (1983) 47-49
[9] C.T.Sims, N.S.Stoloff, W.C.Hagel (Eds.), Superalloy Ⅱ, Wiley Inter science, New York, 1987
International Journal of Minerals, Metallurgy and Materials. 21(1) (2014) 58-64

From all the above mentioned materials nonwovens are most popular, and their popularity is increasing. 2.
Environmental criteria rise, the usage of natural fibres for textile and composite materials helps to meet those requirements. 3.
Materials which are exposed to sunlight impact must be tested to light – fastness.
Next step for automotive materials.
Materials Today.

Effect of heat input on structure and mechanical properties of low matched welded joint in a 1000MPa grade steel Zhengjun Liua, Chuao Wangb, Yunhai Suc, Fudong Zhaod, Lecheng Lie School of Material Science and Engineering, Shenyang University of Technology, Shenyang, China, 110870.
But the current researches mainly were focused on developing special welding materials and heat treatment process to improve the toughness of welded joints [2,3].
If low strength welded materials were used during high strength steel welding, the toughness of strength steel welded joint will be improved.
So, the low matched welded materials were used in this paper.
Materials and Experimental Procedure Materials．HQ100 high strength steel was welded by GMAW, which is 270 mm × 150mm × 10mm.

During turning processes of difficult to cut materials, low thermal conductivity combined with high chemical reactivity temperature at the interface of the material of the cutting tool point extremely increases and influences on the tool life [4].
Królczyk, Analysis of contact phenomena and heat exchange in the cutting zone under Minimum Quantity Cooling Lubrication conditions, The Arabian Journal for Science and Engineering. (2015) DOI: 10.1007/s13369-015-1726-6
Crai, The influence of reinforced materials and manufacturing procedures on the mechanical characteristics of polymeric composite materials, Materiale Plastice. 45, 3 (2008) 251-256
Bere, Research concerning the optimum extrusion temperature for reinforced polyamide, Applied Mechanics and Materials. 371 (2013) 394-398
Korohoda, Recognition of monochrome thermal images of synchronous motor with the application of binarization and nearest mean classifier, Archives of Metallurgy and Materials. 59, 1 (2014) 31-34

An Investigation of the Wear Resistance of Knitting Machinery Needle Fangqin Hu1, a,Xuduo Zeng1,b ,Zhenlun Song1,c,Pingfan Sun2,d 1NingBo Institute of Materials Technology and Engineering,CAS,China 315201 2 Ningbo Cixing Co.
A new trend in the study of metals is the investigation of quantitative relationships between the strucure and properties of metallic materials[2].
The carbide in the microstructure is closely related to heat treatment and process technology ,and the intensity is closely related to needle materials, the size design of structure and surface treatment and so on.
In Chinese [5]Aichang.Zhan, Junbo.Wang, Wei.Gao, Yongji.Sun :An Investigation of the Wear Resistance of Knitter Triangle, Journal of Northwest Institute of Textile Science and Technology, in May 1994,Vol. 8 ,No.2 .
In Chinese [6]Zum Gahr K H: Wear of Materials, New York, 1985:45-58

Martinez-Tabares, In: Applied Mechanics and Materials, Vol. 611 (2014), pp. 436-440.
Menda, Analysis of Measuring Chain for Evaluating Residual Stresses by Ring-Core Method, In: American Journal of Mechanical Engineering, Vol. 1, no. 7 (2013), pp. 313-317
[3] D. von Mirbach, Hole-Drilling Method for Residual Stress Measurement- Consideration of Elastic-Plastic Material Properties, Materials Science Forum, vol.768-769, pp.174-181, 2013
Šarga, Determination of the Necessary Geometric Parameters of the Specimen in Ring-Core Method, In: Applied Mechanics and Materials, 486, p. 90.
Šarga, F., Trebuňa, Estimation of residual stress field uniformity when using the Ring-Core method, In: Advanced Materials Research: ECRS 2014: 9th European Conference on Residual Stresses: Troyes, France, 7-10 July 2014, Vol. 996 (2014), pp. 325-330.