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层合纸板压缩试验JBT 10443.2-2004

作者：來源：发布日期： 2020.10.19

信息摘要：

层合纸板压缩试验JBT 10443.2-2004

試驗方案：层合纸板压缩试验JBT 10443.2-2004
試驗日期：2012-04-09
试验标准：JBT 10443.2-2004层合纸板规范第2部分：试验方法
送檢單位：某電子設備制造廠商
試驗溫度：24℃
试验湿度：65 ％
试验设备：三思泰捷纸板压缩试验机 CMT5504/6504(刚性修正)
試驗夾具：盤徑200mm固定壓盤
紙板層數：每組20層
紙板規格：25.05mm*25.05mm*2.05mm

試驗方案：
1、選取經過剛性修正的5T機；
2、選用固定壓縮盤，盼徑200MM壓縮夾具；
3、采用方案程控方式依照標准逐級加載並自動記錄試樣高度；
4、結束試驗後自動計算紙板的壓縮性、壓縮性殘余部分，以及壓縮性可恢複部分，並出具試驗報告。

备注：

压缩性C 压缩性残余部分Cres 压缩性可回复部分Crev
单位 % % %
试样1 6.75 37.55 62.45
试样2 6.63 36.70 63.30
最大值 6.75 37.55 63.30
最小值 6.63 36.70 62.45
平均值 6.69 37.13 62.88

層合紙板壓縮試驗試驗數據及曲線：

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The Curate, of course, had heard nothing about the Clockwork man's other performances; he had scarcely heeded the hints thrown out about the possibility of movement in other dimensions. It seemed to him, in the uncertain light of their surroundings, that the Clockwork man's right arm gradually disappeared into space. There was no arm there at all. Afterwards, he remembered a brief moment when the arm had begun to grow vague and transparent; it was moving very rapidly, in some direction, neither up nor down, nor this way or that, but along some shadowy plane. Then it went into nothing, evaporated from view. And just as suddenly, it swung back into the plane of the curate's vision, and the hand at the end of it grasped a silk hat. Good fitting is often not so much a question of skill as of the standard which a workman has fixed in his mind, and to which all that he does will more or less conform. 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