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| Skraćenje drveta× | Rendgenografska denzitometrija× | |
|---|---|---|
| Oblast | Šumarstvo | Šumarstvo |
| Porodica | Process / pipeline | Process / pipeline |
| Godina nastanka≠ | 1950 | 2005 |
| Tvorac≠ | Carl Skaar | Gabriel Gazo |
| Tip≠ | moisture response test | measurement method |
| Temeljni izvor≠ | ASTM D143-19. (2019). Standard test methods for small clear specimens of timber. ASTM International. link ↗ | Hansmann, C., Wimmer, R., & Gindl, W. (2007). Assessing damage in wood-polymer composites by depth-sensing indentation. Composites Part A, 38(6), 1502–1508. link ↗ |
| Drugi nazivi | dimensional change, anisotropic shrinkage | wood density, radiography |
| Srodne≠ | 2 | 3 |
| Sažetak≠ | Wood shrinkage is the dimensional change that occurs as wood loses moisture from green (freshly felled) to oven-dry condition. Wood shrinks anisotropically: tangentially (along growth rings) more than radially (from center to edge), and both more than longitudinally (along the grain). Measuring shrinkage percentages is essential for understanding wood drying behavior, predicting checking and warping, and selecting materials for applications sensitive to dimensional change (flooring, cabinetry, musical instruments). | X-ray densitometry is a nondestructive method for measuring wood density, microdensity profiles, and ring-by-ring density variation in wood samples using X-ray image analysis. The method uses attenuation of X-rays passing through wood to quantify mass per unit volume. It enables rapid assessment of wood quality without destroying material, making it valuable for research, timber grading, and genetic selection programs. |
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