Investigation of Soluble copper nanoparticles effects in Construction Five-layer boards

Document Type : Research Paper

Authors

Shahid Rajaee Teacher Training University

10.22034/ijwp.2023.1999616.1607

Abstract

In this study, the effect of nano-copper particles on heat transfer in the cycle, press and mechanical properties of boards of five layers was studied .Two species Iranian beech and Populus deltoides and nano-copper particles at four levels of (0, 5, 10 and 15%) of the time, Press (4, 5 and 6 minutes) as the variable factors were considered in this study. Mechanical strength of plywood (including MOR and MOE, SH) were measured.
Results indicate that mechanical strength of plywood (including MOR and MOE, SH) after a primary increase from 4 to 5 minutes of press time decreased after 6 minutes of press time. Increasing intake soluble nano copper from 0 to 10% and cause an improved the in MOR and MOE . So it can be attributed to reason increasing speed of heat transfer and glue absorption cause an improved the boards. But with increasing consumption 15% reduction in the features.In all the the mechanical strength of boards, Species of beech very good performance compared to Populus deltoids that so it can be attributed to internal bond improvement.

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References

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Iranian Journal of Wood and Paper Industries
Volume 14, Issue 4
February 2024
Pages 351-362

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