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Author:

包亦望 (包亦望.) | 金宗哲 (金宗哲.) | 黎晓瑞 (黎晓瑞.) | 邢志强 (邢志强.)

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CQVIP

Abstract:

本文研究了陶瓷材料在纯弯曲应力状态下的受拉区和受压区的变形,和弹性模量及泊松比的差异。实验采用四点弯曲、样条上下表面贴正交应变片的方法。结果表明陶瓷材料在弯曲时的拉弹性模量大于压弹性模量,拉泊松比小于压泊松比,而且这种差异随着应力的增加而增加。文中导出了中性层的位置。对于精细陶瓷,当忽略拉、压弹性模量的差异,按传统方法计算弯曲强度的误差不大于5%。

Keyword:

应力梯度 弯曲应力 弹性模量 中性层

Author Community:

  • [ 1 ] 中国建材研究院
  • [ 2 ] 北京工业大学

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Source :

中国建材科技

Year: 1993

Issue: 01

Page: 3-7

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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