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PREPARATION OF RESTRICTIVE TYPE COMPOSITE LAMINATED THICK STEEL SHEET WITH EXCELLENT VIBRATION-DAMPING PROPERTY
PREPARATION OF RESTRICTIVE TYPE COMPOSITE LAMINATED THICK STEEL SHEET WITH EXCELLENT VIBRATION-DAMPING PROPERTY
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机译:具有优良减振性能的约束型复合层合厚钢板的制备
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摘要
PURPOSE:To obtain enough strength for a structural body and excellent vibration- damping properties by a method wherein a foamed resin is formed into a sheet and after the sheet resin is laminated between thick steel sheets at m.p. of the resin or lower, the whole is heated at m.p. of the resin or higher in a heating oven. CONSTITUTION:A foamed resin is formed into a sheet, which is laminated and joined between thick steel sheets. For adhesion between the steel sheet and the foamed resin, it is pref. that to ensure uniform adhesiveness over the whole laminated composite steel sheet, it is placed in a heating oven after lamination and the whole is kept at m.p. of the resin or higher. The upper limit of the heating temp. is automatically limited because if the temp. is too high, the resin flows or air bubbles in the resin are crushed and there exists a possibility that the resin itself decomposes and it is pref. actually that it is heated at a temp. of m.p. of the resin of +100 deg.C or below. In addition, as the adhesive strength, there exists a press effect caused by the dead wt. of the steel sheet and enough strength can be obtd. only by fusion but it is possible that after carrying out from the heating oven, rolling or pressing under a light pressure is performed.
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