Author: Erkki VerkasaloPublisher:
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 12
Book Description
Properties Related to Drying Defects in Red Oak Wetwood
Author: Erkki VerkasaloPublisher:
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 12
Book Description
Properties Related to Drying Defects in Red Oak Wetwood
Author: Erkki VerkasaloPublisher:
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 10
Book Description
Research Paper FPL-RP
Author: Thermal Degradation of Fire-retardant-treated Plywood
Author: Nondestructive Evaluation of Wood
Author: Forest Service (U S )Publisher: Government Printing Office
ISBN: 9780160928871
Category : Business & Economics
Languages : en
Pages : 176
Book Description
Nature's engineering of wood through genetics, wind, and weather creates a wide variability in wood as a material. Consequently, manufacture and users of wood products are frequently frustrated in dealing with the forest resource. Manufacturers sometimes argue that wood is difficult to consistently process into quality products because of the wide range of properties that exist in this raw material. Users of wood products can be equally frustrated with the performance variability found in finished products. Nondestructive evaluation (NDE) technologies have contributed significantly toward eliminating the cause of these frustrations. NDE technologies have been developed and are currently used in lumber and veneer grading programs that result in engineered materials that have consistent well-defined performance characteristics. This brief volume explores some of the processes that are used to manufacture wood, including green wood technology and provides a bit of history to wood production and its uses too. Other products that may interest you from the US Forest Service can be found at this link: https://bookstore.gpo.gov/agency/819
Nondestructive Testing for Assessing Wood Members in Structures
Author: Robert Jon RossPublisher:
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 44
Book Description
Identifying Bacterially Infected Oak by Stress Wave Nondestructive Evaluation
Author: Robert Jon RossNondestructive Methods for Detecting Defects in Softwood Logs
Author: Kristin C. SchadPublisher:
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 16
Book Description
Wood degradation and defects, such as voids and knots, affect the quality and processing time of lumber. The ability to detect internal defects in the log can save mills time and processing costs. In this study, we investigated three nondestructive evaluation techniques for detecting internal wood defects. Sound wave transmission, x-ray computed tomography, and impulse radar were used to examine white spruce and balsam fir logs. Computed tomography resulted in the highest resolution for voids, knots, and high moisture content areas, but at a very high price. Both sound wave transmission and impulse radar were able to detect large voids and areas of degradation, and these techniques showed some sensitivity to very knotty logs. None of the methods was able to detect small pockets of decay. The use of radar requires an experienced operator because of the difficulty of interpreting the data.
Monthly Catalogue, United States Public Documents
Author: Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1790
Book Description
Monthly Catalog of United States Government Publications
Author: Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1156
Book Description