Stress Induced Displacement Burst in Organic Materials and Polymer Materials with Hydrogen Bonds

Jing XU; Jia WANG; Ying-ying ZHANG; Hai-quan ZHANG

doi:10.14028/j.cnki.1003-3726.2016.01.011

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Stress Induced Displacement Burst in Organic Materials and Polymer Materials with Hydrogen Bonds

更新时间：2022-09-12

- Stress Induced Displacement Burst in Organic Materials and Polymer Materials with Hydrogen Bonds
- Polymer Bulletin Vol. 29, Issue 1, Pages: 74-79(2016)
- 作者机构：
  
  1.燕山大学材料科学与工程学院，秦皇岛 066004
  2.东北石油大学，秦皇岛 066004
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2016.01.011
  CLC：
- Published：20 January 2016，
  
  Received：19 March 2015，
  
  Revised：27 July 2015，
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Jing XU, Jia WANG, Ying-ying ZHANG, Hai-quan ZHANG. Stress Induced Displacement Burst in Organic Materials and Polymer Materials with Hydrogen Bonds. [J]. Polymer Bulletin 29(1):74-79(2016)
DOI：

Jing XU, Jia WANG, Ying-ying ZHANG, Hai-quan ZHANG. Stress Induced Displacement Burst in Organic Materials and Polymer Materials with Hydrogen Bonds. [J]. Polymer Bulletin 29(1):74-79(2016) DOI： 10.14028/j.cnki.1003-3726.2016.01.011.

摘要

利用纳米压痕技术研究了具有氢键结构的聚乙烯醇(PVA)和聚甲基丙烯酸甲酯(PMMA)的表面力学行为。与PMMA薄膜相比

在PVA薄膜的载荷-位移曲线上观察到了明显的位移突变现象。从结构差异分析可知

氢键诱导PVA薄膜产生了位移突变。为了证明结构中氢键与纳米压痕所获得的位移突变的相关性

制备了对苯二酚单晶并利用纳米压痕技术测试对苯二酚单晶的表面力学行为。结果表明

对苯二酚单晶具有氢键笼状结构

对苯二酚单晶的载荷-位移曲线载荷阶段以及保载小于临界载荷的位移-时间曲线均观察到了明显的位移突变和蠕变突变现象

并且载荷阶段的位移突变量随临界载荷的增加呈线性增加

同时位移突变还与加载速率相关。

Abstract

The surface mechanical behaviors of the PVA film with hydrogen bonds and the PMMA film were studied by nanoindentation. In contrast with the PMMA film

the obviouse displacement burst was observed in the load-displacement curves for the PVA film

the structural difference between the PVA and the PMMA suggests that the hydrogen bonds induced the appearing displacement burst in the PVA film. In order to prove the interdependency of the displacement burst with the hydrogen bonds

The single crystal of hydroquinone was prepared and the surface mechanical behaviors of the single crystal of hydroquinone also were studied through nanoindentation.The results show the single crystal of hydroquinone has cage structure which is composed of the hydrogen bonds

the obviouse displacement burst and creep burst were found in the load stage the load-displacement curves and in the displacement-time curves when holding load is less than the critical load

furthermore

the increased amount value of the displacement burst increases linearly with critical load

the displacement burst also associates with the loading rate simultaneously.

关键词

氢键聚乙烯醇纳米压痕位移突变对苯二酚单晶蠕变突变

Keywords

Hydrogen bondsPVANanoindentationDisplacement burstSingle crystal of hydroquinoneCreep burst

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