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wire saw (Plate 18) to obtain 1 mm thick samples. Due to collapse occurring in the 1mm thick E. obliqua micro-samples, further 2mm, 1mm and 0.5mm thick E. obliqua samples were prepared to investigate the effect of sample thickness on collapse during testing. As the name suggests, the diamond wire saw features a high tensile wire of 0.3 mm diameter in which diamonds, approximately 60 μm wide are impregnated. The wire unwinds and winds between two bobbins. Cutting is performed under a constant load and the wire is submerged in water to minimise heating and drying of the sample. We soaked the samples in water and stored in a refrigerator to avoid fungal attack. Immediately prior to testing, we inserted samples into a specially designed sample support (Plate 19). The sample support was designed so it does not interfere with the laser beams shrinkage measurements are made at the same material locations, and the sample is sufficiently restrained to avoid flexure while maintaining freedom to shrink. Diamond wire Sample Plate 18. Sample preparation using a diamond wire saw Eye hook Plate 19. Sample support Sample G-support V-hook Needle Evaluation of super–heated steam vacuum drying viability and development of a predictive drying model for Australian hardwood species – Final report Needle counterweight 35PDF Image | Evaluation of super-heated steam vacuum drying
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