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Fig.1 The grating mechanical ruling scheme and the roof tool of natural diamond The top grating film is aluminum formed by the physical deposited method, while there is a layer of Cr film between the aluminum film and the glass substrate to bound up the two materials and prevent the diamond tool breaking when fallen deep up to the hard glass layer.
And steeper the rake face is, higher the bump becomes(see the F contour line in Fig.3(b)) with quicker material flowing(see Fig. 3(a)aluminum velocity field).
All these done in this work is helpful for the grating ruling process study. 6 Acknowledgments In this paper, the research is sponsored by the Nature Science China (51075042), the science and technology project of Jilin Province(20080534), and the foundation of Changchun University of Science and Technology(2021000422).
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Experimental procedure The mixtures of rare-earth tailings with pure chemical components were used as the raw materials.
After being mixed fully, the raw materials were melted in alumina crucibles at 1450℃ for 2h.
Donald: submitted to Journal of Non-Crystalline Solids, 345&346 (2004), p. 120-126 [2] I.W.
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Effect of Transformation on Springback for TRIP Steel Stamping Li Liu1,a and Tikun Shan1,2,b 1College of Mechanical and Electrical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China 2Shandong Provincial Key Laboratory of Polymer Material Advanced Manufactorings Technology a green369369@163.com, b stkun@qust.edu.cn Keywords: TRIP steel, Martensitic transformation, Young’s modulus, Springback Abstract.
Acknowlegement This work is supported by the Doctoral Found of Qingdao University of Science & Technology, the Natural Sience Foundation of Shandong Province (No. 2009ZRB019X3) and the National Natural Science Foundation of China (No. 50805042).
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The materials of structural and heating layer are Silicon Dioxide (SiO2) and Aluminum (AL).
The necessary material parameters of AL and SiO2 are listed in the Table 2.
With temperature increasing, some material properties are also changing and the varying coefficients are also seen in Table 2.
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Heavy metal ion in raw materials brings lots of negative effects on pulping [3, 4], it is necessary to remove or reduce metal ions such as Mn2+, Fe2+ and Cu2+.
Experimental Materials and Methods Experimental materials and chemicals The pulping raw materials was Bamboo which was cut to 20~30mm long and stored more than two years.
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Materials and Method The rotary-cut veneers employed in this study were made from birch (Betula platyphylla Suk.).
Accordingly, non-deficient, proper, knotless, and normally grown (without zone line, reaction wood, decay, insect and fungal damages) wood materials were selected.
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Materials and methods Raw materials Peanut oil, brand with Golden dragon fish, was purchased from super mart in the Nanning city, Guangxi province, China.
Acknowledgements This work was financially supported by the Science and Technology Plan Projects of Guangdong province (2009B020312016).
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High stiffness, excellent thermostability and relatively low density of engineering ceramics, make them suitable for use as structural materials.
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