Shigeyuki Haruyama, Didik Nurhadiyanto, Ken Kaminishi
Contact width is important design parameter for optimizing design of new metal gasket. The contact width was found have relationship with helium leak quantity. Increasing axial force, the contact width will increase and helium leakage will decrease. This study we conducted the surface roughness evaluation of 25A-size metal gasket before and after use. The results denote the real contact width after contact with flange having different surface roughness. The real contact width for the flange having smoother surface roughness is wider than the rougher one. © (2014) Trans Tech Publications, Switzerland.
Management of Technology, Yamaguchi University, 2-16-1 Tokiwadai, Ube-shi, Yamaguchi, Indonesia; Department of Mechanical Engineering, Yamaguchi University, Japan; Mechanical Education Engineering Department, Yogyakarta State University, Indonesia
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