Reliability of novel die attach adhesive for snap curing

Galloway, David; Grosse, M.B.; Nguyen, M.N.; Burkhart, Alexander

doi:10.1109/iemt.1995.526106

Cited by 4 publications

(1 citation statement)

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“…Furthermore, they generally exhibit high glass transition temperature (Tg), good fracture toughness, excellent substrate adhesion, low shrinkage, low dielectric loss and low moisture uptake [1,2]. For example in aeronautics and aerospace industries some application needs lightweight materials with high temperature service ceiling (due to their high Tg) and low shrinkage render CEs, and cyanate ester resin fulfill these specifications [3][4]. The key advantages of this type of resins are their stiffness, their dimensional stability under extreme environmental conditions like exposure in high temperatures and moisture, their good adhesive and electrical properties [5][6].…”

Section: Introductionmentioning

confidence: 99%

Description of Anomalous Water Absorption Behaviour of Woven Glass Reinforced Cyanate Ester Composites

Kelverkloglou¹,

Kollia²,

Vavouliotis³

et al. 2016

Plastic and Polymer Technology

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This work studies the water absorption behaviour of woven glass fibre reinforced cyanate ester composites used in the plenum of the air conditioning pack of aircraft's environmental control system. For absorption tests, samples were immersed in distilled water baths at four different temperatures: 40°C, 60°C, 75°C and 90°C. In general, the composites have shown strong nonFickian behaviour. The progression of mass absorption is described analytically using a combination of Fickian diffusion and relaxation process. Thus for the temperatures of 40°C, 60°C and 75°C a dual stage model was used. At 90°C the material exhibits extreme non-Fickian behaviour due to chemical ageing procedures which cannot be accurately modeled. From the mass control analysis, lots of information is provided for the correlation between the temperature and the diffusion coefficient or the start of the moisture equilibrium. Also, the regions of physical and chemical ageing can be clearly distinguished, giving a good profile of the material behaviour at elevated temperature. The dual stage model that is proposed precisely describes the behaviour of these materials at different temperatures up to 75°C. The chemical ageing that is taking place at 90°C creates another profile that should be investigated in a more detailed level than macro-scale.

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