Creep modeling of precision adhesive joints in opto-electronic devices
光电器件中精密粘合接头的蠕变建模
基本信息
- 批准号:463690-2014
- 负责人:
- 金额:$ 1.42万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Collaborative Research and Development Grants
- 财政年份:2015
- 资助国家:加拿大
- 起止时间:2015-01-01 至 2016-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Opto-electronic devices consist of optical elements attached to a substrate; the most common method of fixing these components to the substrate is by means of adhesives. Adhesives are susceptible to creep and stress relaxation under the influence of internal and external stresses, which may lead to subtle perturbation of the position of optical components, thereby affecting performance over time. Opto-mechanical design needs to account for this end of life (EOL) behavior of precision adhesive bonds. There is a lack of predictive model for designing against these mechanisms, leading to rule-of-thumb design criteria and material selection processes.
Adhesives may be subjected to residual stresses during the curing process, e.g. due to mismatch in coefficient of thermal expansion (CTE) between the optical elements, adhesive, and the substrate. External stresses arise from forces such as gravity and vibration. In optical devices, the external stresses are typically a fraction of the ultimate material strength and normally creep rupture is not a concern. However, the devices are sensitive to very small changes in position, and therefore even low stress can affect device performance.
Finite element analysis (FEA) is a powerful tool in opto-mechanical design, and ideal for modeling stress state due to the above loading for complex product geometry. There are several standard creep models incorporated in commercial FEA software such as ANSYS; however, it is not clear they are applicable to the materials of interest, or to low stress creep behavior.
The focus of the proposed collaborative research between Professor Spelt and JDSU Ottawa is to measure the creep properties of candidate adhesives and then develop and evaluate adhesive creep models to be used in FEA software for the prediction of creep in opto-electronic adhesive joints.
光电器件由附着在衬底上的光学元件组成;将这些组件固定在基材上的最常用方法是使用粘合剂。胶粘剂在内外应力的影响下容易发生蠕变和应力松弛,这可能导致光学元件位置的细微扰动,从而随着时间的推移影响性能。光机械设计需要考虑精密胶粘剂的这种寿命终止(EOL)行为。缺乏针对这些机制进行设计的预测模型,导致了经验法则的设计标准和材料选择过程。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Spelt, Jan其他文献
Spelt, Jan的其他文献
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{{ truncateString('Spelt, Jan', 18)}}的其他基金
Erosive jet micro-machining and vibratory surface finishing: optimization and modeling
侵蚀喷射微加工和振动表面精加工:优化和建模
- 批准号:
RGPIN-2014-03608 - 财政年份:2018
- 资助金额:
$ 1.42万 - 项目类别:
Discovery Grants Program - Individual
Erosive jet micro-machining and vibratory surface finishing: optimization and modeling
侵蚀喷射微加工和振动表面精加工:优化和建模
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Erosive jet micro-machining and vibratory surface finishing: optimization and modeling
侵蚀喷射微加工和振动表面精加工:优化和建模
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$ 1.42万 - 项目类别:
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High strain rate fracture of solder joints and underfill adhesives
焊点和底部填充粘合剂的高应变率断裂
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401218-2010 - 财政年份:2015
- 资助金额:
$ 1.42万 - 项目类别:
Collaborative Research and Development Grants
Erosive jet micro-machining and vibratory surface finishing: optimization and modeling
侵蚀喷射微加工和振动表面精加工:优化和建模
- 批准号:
RGPIN-2014-03608 - 财政年份:2015
- 资助金额:
$ 1.42万 - 项目类别:
Discovery Grants Program - Individual
Erosive jet micro-machining and vibratory surface finishing: optimization and modeling
侵蚀喷射微加工和振动表面精加工:优化和建模
- 批准号:
RGPIN-2014-03608 - 财政年份:2014
- 资助金额:
$ 1.42万 - 项目类别:
Discovery Grants Program - Individual
Creep modeling of precision adhesive joints in opto-electronic devices
光电器件中精密粘合接头的蠕变建模
- 批准号:
463690-2014 - 财政年份:2014
- 资助金额:
$ 1.42万 - 项目类别:
Collaborative Research and Development Grants
High strain rate fracture of solder joints and underfill adhesives
焊点和底部填充粘合剂的高应变率断裂
- 批准号:
401218-2010 - 财政年份:2013
- 资助金额:
$ 1.42万 - 项目类别:
Collaborative Research and Development Grants
Applications of controlled erosion: vibratory finishing and abrasive jet micro-machining
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$ 1.42万 - 项目类别:
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High Strain Rate Fracture of Solder Joints and Underfill Adhesives
焊点和底部填充胶的高应变率断裂
- 批准号:
401218-2010 - 财政年份:2012
- 资助金额:
$ 1.42万 - 项目类别:
Collaborative Research and Development Grants
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