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px215467
Wysłany: Sob 11:36, 06 Lis 2010
Temat postu: ugg boots sale Alloying elements on mechanical pro
Alloying elements on the high strength steel weld metal Mechanical Properties
re. thecontactpressureonthebottomofO-sealingringgraduallyincreasesunderthedifferentincludedangles. Theinfluencewhichtheincludedan. glesonthecontactwidthiSnotobviousunderthesalnecompressionratio. butthehighestcontactpressurede. creaseswiththeincreaseoftheincludedangles. Underthelowmedimnpressure. theinfluencewhichthedif. ferentincludedangleshaveonthecontactpressureiSals') unconspicuous. butwiththeincreaseofthesealingmediumpressure. thedifferenceofthehighestcontactpressureincma ~ scorrespondinglywiththedifferentin. eludedanglesandtheinfluenceisevident. A11theseindicatetheincludedangleofthedovetailgrooveisanimportantdesignvariableinthembber0 a sealingringdesign. Keywords: rubber0 a sealingring; includedangles; finiteelementanalysis; contactpressure1 penalty function finite element contact algorithm in the theoretical structure of the rubber seal is a large deformation, nonlinear contact problems, while there is geometry, material and boundary non-linear, and thus this paper, the contact element The penalty function method for analysis, impact toughness at room temperature in two connected correlation coefficient of r = 0.95, 40 ℃ impact toughness of a correlation coefficient = 0.93. The calculated r. ~ R5 values were greater than 0.834,
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, so this study were derived from the linear equations is very significant linear relationship. 4 Conclusion (1) the orthogonal design method is derived by high-strength weld metal mechanical properties of carbon equivalent formulas that reflect the various alloying elements on the weld tensile strength,
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, yield strength, elongation and impact toughness level. Therefore, high-strength weld,
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, Mo and Ni on the low-temperature impact toughness improvement. (2) the establishment of the carbon equivalent and mechanical properties of the weld between the various equations. Using these equations can be approximated based on the chemical composition of the weld to calculate the corresponding mechanical properties. (3) of the equation used to test the significance of that correlation coefficients of the parties to the program were more than 0.93, indicating that these formulas have a very significant linear relationship. References: [1] Zhang Yue. Principle and technology of welding metal [M]. Beijing: Mechanical Industry Press, 199o. [2] Mr and Mrs Li. Principle of welding metallurgy [M]. Beijing: Tsinghua University Press, 1991. [3] have fun. Modern Welding Technical Manual [K]. Shanghai: Shanghai Science and Technology Press, 1993. [4] Chinese Society of Mechanical Welding Society. Welding Manual [K]. Beijing: Mechanical Industry Press, l992. [5] of money in. Welding Technical Manual [K]. Taiyuan: Shanxi Science and Technology Press, 1999. [6] Yin ¨ f: Section. Carbon steel and low alloy steel welded joint performance of control L. j Application [M]. Beijing: Hydraulic and Electric Power Press. 1985. Author: Xie Lei (1972 a), IjJ East Tai, engineers, graduated from Harbin Institute of Technology in 1992, metal heat-plus-one l: Department of welding technology and equipment expertise, and now the Pro Mining Group, Tai'an,
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, Shandong Coal Mine Machinery Factory work has been published many articles on the meaning. Tel :0538 -6131606,
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, E-mail: xielei020930 @ 163. (Tom. one of a Received date :2006-56-12.06
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