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Introduction In nature,creatures experience thousands of years surive and evolution, ultimately obtaining many excellent structures and properities.With the increasing development of technology, people have highly demand for the using performance of materials in order to use in different environment ,such as specific strength，specific modulus, wear resistant and thermal protection etc[1].But the traditional structures and materials are unable to meet these requirement.Therefore,the composite materials become the preferred design thinking and preparation method to satisfy the adove-mentioned requirement.Meanwhile the scientists gained the compound design inspiration from the structures ,the materials quality and the properties of the creatures.Scientists have made use of the inspiration of the creature’s structures to fabricate lots of engineering materials and structures,like the honeycomb composite materials refer to the unique characters of the honeycomb structure,with the advantages
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Experimental Study on the Tribological Properties of Water-lubricated Rubber Bearings You-Qiang Wang a and Mei-Shu Wang b Qingdao Technological University, Qingdao, 266033, P.R.China awyq@qtech.edu.cn bwangmeishu123@126.com Keywords: Rubber journal bearing; water lubrication; experimental study; tribological property; friction coefficient.
The outer shell material is 45 steel and the diameter is 90 mm.
Acknowledgements This work was financially supported by the National Natural Science Foundation of P.R.China through contract no.50875137, Natural Science Foundation of Shandong Province Government P.R.China through contract no.Y2007F30 and Taishan Scholar Special Fund of Shandong Province Government.
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Experimental Study on the Lubrication Behaviors of Seawater-lubricated Thordon Bearings You-Qiang Wang a ,Wen-Li Sun b Qingdao Technological University, Qingdao,266033, P.R.China awyq@qtech.edu.cn, bwenliaimama@sina.com Keywords: Thordon journal bearing; seawater lubrication; experimental study; tribological property; friction coefficient.
The outer shell material is 45 steel and the diameter is 90 mm.
Acknowledgements This work was financially supported by the National Natural Science Foundation of P.R.China through contract no.50875137, Natural Science Foundation of Shandong Province Government P.R.China through contract no.Y2007F30 and Taishan Scholar Special Fund of Shandong Province Government.
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Rational Provision of Functional Properties of Interference Fit Joints in Case of Assembly with Implementation of Anaerobic Materials I.I.
Horník4,g 1Penza State University, 40, Krasnaya street, Penza, 440026, Russia 2LLC «Stankomashstroy», 9, Titova street, Penza, 9440028, Russia 3Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology, J.
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Mature methods in the management science such as fuzzy theory, statistics, expert investigation and AHP are induced in the analysis.
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Finite Element Analysis of Contact Stress between Rolling Mill Pressure Screw-Pairs Zhengyi Wang 1, a , Lianyun Jiang 1, b and Chunjiang Zhao 1, c 1 College of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, Shanxi, 030024, China a wang995845@sohu.com, b123jianglianyun@163.com, cZhaoChj75@163.com Keywords: Pressure screw, Stress concentration, Structural parameter, Material parameter, Contact stress Abstract.
The material of the pressure screw is alloy steel with high degree of hardness, and its elastic modulus is 206Gpa, and the Poisson's ratio is 0.3.
The material of the pressure mutter is wear-resisting and soft copper, and its elastic modulus is 103Gpa, and the Poisson's ratio is 0.3.
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