| 作成者 |
|
|
|
| 本文言語 |
|
| 出版者 |
|
|
|
| 発行日 |
|
| 収録物名 |
|
| 巻 |
|
| 開始ページ |
|
| 終了ページ |
|
| 出版タイプ |
|
| アクセス権 |
|
| JaLC DOI |
|
| 関連DOI |
|
|
|
|
|
| 関連URI |
|
|
|
|
|
| 関連情報 |
|
|
|
|
|
| 概要 |
It is our purpose of this study to determine the optimum adhesive condition of lauan veneer on the surface of hardboard bearing mesh marks on the both side, and to make a comparative study of Young's ...moduli of hardboard-core plywood with those of veneer-core plywood. The hardboard are manufactured from lauan chip under the investgated optimum condition as reported previously. The following conclusions may be drawn from the results of this experiment: (1) The optimum adhesive condition between hardboard and lauan veneer for manufacturing hardboard-core plywood with the strongest Young's modulus, by phenol resin, is as follow: filler (coconut husk powder) 15 p. h. r. glue spread 200gr/$m^2$ specific pressure 15kp/$cm^2$ press temperature 150°C press time 5 min (2) At first, the hardboard having the highest Young's modulus was manufactured from chip, unip, under the condition that we searched for previous studies. Then hardboard-core plywoods were manufactured from fore-mentioned hardboard and lauan veneer under the previously determined condition which gives the highest Young's modulus. The properties of manufactured hardboard-core plywood, and veneer-core plywood are showed on the table 5. (3) Because of reinforcement by veneer, the Young's modulus of hardboard-core plywood have almost equal value of veneer-core plywood having similar thikness, but the hardboard-core plywood have only half value of the specific Young's modulus comparing with that of veneer-core plywood (Table 5).続きを見る
|
Mendeley出力
KJ00005470573