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THE EFFECT OF WATER ACIDITY LEVEL AND MOISTURE PERCENTAGE ON THE CREEP BEHAVIOR OF COMPOSITE MATERIAL | ||
| AL-TAQANI | ||
| Article 1, Volume 25, Issue 3, 2012, Pages 0-0 | ||
| Author | ||
| Sabah Kh. Hussein | ||
| Abstract | ||
| The creep behavior for unidirectional and bidirectional fiber composite material has been studied experimentally under the effect of different water acidity level (pH=5,7&10) and moisture percentage (m= 1.24, 2.02 & 2.65%). It has been observed that the creep strain increase when the moisture percentage increased and decreased with increasing the acidity level. Different values of the applied stresses are tested which gave an increasing in the creep strain values with increasing the stress. The experimental creep data can be fitted with the general exponent creep equation. This equation is modified where the effect of moisture percentage and the applied stress on the creep strain are suggested as variables in the creep strain equation. The suggested equation gives a good criteria to be used to describe long time of creep strain in this work. | ||
| Keywords | ||
| Creep; acidity level; Moisture; composite material | ||
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