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GB/T 15972.31-2008光纤试验机拉伸测试

作者：來源：发布日期： 2020.10.20

信息摘要：

GB/T 15972.31-2008光纤试验机拉伸测试

光纤的抗张强度值的分布与样品的长度、加载速率和环境条件相关。国标GB/T 15972.31-2008规定了试验方法。使用合适量程的抗张试验机来完成，也就是拉力机。

試驗機的夾具要求不能損壞試樣，並不能打滑，測量的強度值將隨拉伸速度變化。典型使用的拉伸速度範圍爲每分鍾3%~5%或者15%~25%的試樣長度。

抗張試驗機可以是垂直方向或水平方向，夾持光纖可以用卡盤或其他合適的方式。

圖爲三思泰捷爲某光纖企業配置的拉力機試驗現場：

該企業是一家中美合資的專業生産通信用室內/外光纜及附件的大型企業，是中國規模最大的通信光纜供應商之一。

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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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