中国组织工程研究

中国组织工程研究 ›› 2011, Vol. 15 ›› Issue (51): 9637-9640.doi: 10.3969/j.issn.1673-8225.2011.51.032

• 材料力学及表面改性 material mechanics and surface modification • 上一篇    下一篇

云纹干涉法测量不同载荷条件下金属-瓷标本的位移

米红林   

  1. 上海应用技术学院机械工程学院，上海市  201418
  • 收稿日期:2011-06-10 修回日期:2011-10-08 出版日期:2011-12-17 发布日期:2011-12-17
  • 作者简介:米红林☆，男，1974年生，辽宁省昌图县人，汉族，2005年同济大学毕业，博士，副教授，主要从事实验固体力学、数值仿真、机械设计及优化等方面的研究。
  • 基金资助:

    上海市教委项目(06OZ028)，上海市应用技术学院教改项目(1020T10036)。

Application of moiré interferometry method in measurement of displacement of metal-porcelain restorations

Mi Hong-lin   

  1. School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai  201418, China
  • Received:2011-06-10 Revised:2011-10-08 Online:2011-12-17 Published:2011-12-17
  • About author:Mi Hong-lin☆, Doctor, Associate professor, School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai 201418, China mihonglin@ sit.edu.cn
  • Supported by:

    the Grant from Shanghai Education Committee, No. 06OZ028*; the Education Reform Grant from Shanghai Institute of Technology, No. 1020T100036*

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被引次数

2

摘要：

背景：云纹干涉法是现代光力学测试技术，是实验力学范畴。另外，金瓷修复体以其较好的生物相容性，色泽美观，坚固而广泛应用于临床，将云纹干涉技术应用口腔领域得到医学工程中所需位移量，体现学科交叉，较好的实现学科互补。
目的：详细介绍了云纹干涉法原理以及试件栅的复制，针对临床经常发现口腔中瓷剥落等破坏行为，应用云纹干涉法来研究金瓷复合材料受力后的位移量。
方法：采用云纹干涉技术测试金瓷试件在不同载荷下的水平和竖直位移情况，该方法灵敏度高，操作简便，适用于面内位移测量，位移量以条纹形式显示。
结果和结论：该方法能够获得到口腔材料代表面内位移的干涉图，得到不同载荷作用下试件变形量。云纹干涉法能够被用来测试金瓷修复体的位移，操作简便，结果以干涉条纹显示。

关键词: 光力学, 云纹干涉法, 材料强度, 修复体, 位移

Abstract:

BACKGROUND: Moiré interferometry method which belongs to the range of experiment mechanics is a modern photo-mechanics test technique. On the other hand, metal-porcelain restorations characterized as beautiful, compatible and stable properties are widely used in oral medicine domain. Moiré interferometry technique is applied in the oral restoration and some mechanics data can be obtained. It can be realized in discipline complementation and interaction between mechanics and bio-medicine engineering.
OBJECTIVE: To introduce the moiré interferometry technique in details, and to study the displacement of metal-porcelain restorations under different loads by using the moiré interferometry technique as it is found that porcelains often flake off from the base of restorations in oral clinic.
METHODS: The horizontal and vertical displacement of metal-porcelain restorations were measured by using the moiré interferometry method which is sensitive and easy to operate, and suitable for in-plane displacement measurement. The displacement was shown in the form of interferometry patterns.
RESULTS and CONCLUSION: The interferometry patterns which represented the in-plane displacement of specimens were obtained and the displacement was linearly related with the loading changes. Moiré interferometry method can be used in measuring the displacement of restorations. Operation is simple and results are shown by interferometry patterns.

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