Title: Lumber defect detection by ultrasonics
Author: McDonald, K. A.;
Source: Res. Paper FPL-311. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory: 21 pages.
Publication Series: Research Paper (RP)
Description: Ultrasonics, the technology of high-frequency sound, has been developed as a viable means for locating most defects In lumber for use in digital form in decision-making computers. Ultrasonics has the potential for locating surface and internal defects in lumber of all species, green or dry, and rough sawn or surfaced.
Keywords: Computers, ultrasonics, decision making, moisture content, species, surfaces, nondestructive testing, scanning, lumber, planing, processing, rough sawn, sanded, defect detection, wood decay
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McDonald, K. A. 1978. Lumber defect detection by ultrasonics. Res. Paper FPL-311. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory: 21 pages.
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