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Automatic Balance for Measurement of the Strength of Glass Fibers

 

作者: David Sinclair,  

 

期刊: Review of Scientific Instruments  (AIP Available online 1956)
卷期: Volume 27, issue 1  

页码: 34-36

 

ISSN:0034-6748

 

年代: 1956

 

DOI:10.1063/1.1715359

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The semiautomatic balance used to measure the tensile strength and Young's modulus of glass fibers when bent into a loop has been made fully automatic. A differential transformer and servomotor are used to apply chain‐weight as the tension in the looped fiber is increased by the loading motor.All measurements needed to calculate the tensile strength and Young's modulus are automatically recorded on the drum chart driven by the loading motor. The maximum tensile stress in the looped fiber at the instant of break is proportional to the vertical motion of the recording pen, and the maximum strain is proportional to the rotation of the drum.

 

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