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
This book on the Nondestructive Characterization and Imaging of Wood by Professor Voichita Bucur is truly the most outstanding reference on the subject ever written. Since the origins of mankind, wood has played a key role in the history of humans and other living creatures, ranging from provision of life from trees giving air, heat, light, and food to nourish their bodies to structures to protect them from the elements. Wood has also played a key role in one of the world's primary religions. Nondestructive diagnostics methods have long found application in medi cal practice for examination of the human body in order to detect life threatening abnormalities and permit diagnosis to extend life. Nondestructive testing has been used for many years to insure the safety of machinery, air craft, railroads, tunnels, buildings and many other structures. Therefore, it is timely for a treatise, like the present one, to be written describing how wood can be characterized without employing destructive test methods. Since wood is so valuable to mankind, it is important to know the latest methods to nondestructively characterize wood for all practical applications.
Over 8,300 pages .... Just a SAMPLE of the CONTENTS: NONDESTRUCTIVE INSPECTION METHODS. Published by the Departments of the Army, Navy and Air Force on 1 March 2000 - 771 pages and June 2005 - 762 pages; Metallic Materials and Elements for Aerospace Vehicle Structures 1,733 pages Designing and Developing Maintainable Products and Systems - Revision A 719 pages Sampling Procedures and Tables for Inspection by Attributes 75 pages Nondestructive Testing Acceptance Criteria 88 pages Environmental Stress Screening Process for Electronic Equipment 49 pages Handbook for Reliability Test Methods, Plans, and Environments for Engineering, Development, Qualification, and Production - Revision A 411 pages Human Engineering - Revision F 219 pages Sampling Procedures and Tables for Life and Reliability Testing (Based on Exponential Distribution) 77 pages Test Method Standard: Electronic and Electrical Component Parts 191 pages Reliability Testing for Engineering Development, Qualification and Production - Revision D 47 pages Electroexplosive Subsystem Safety Requirements and Test Methods for Space Systems (150 pages, 8.64 MB) Reliability Prediction of Electronic Equipment- Notice F 205 pages Reliability Program for Systems and Equipment Development and Production - Revision B 88 pages Electronic Discharge Control Handbook for Protection of Electrical and Electronic Parts, Assemblies and Equipment (Excluding Electrically Initiated Explosive Devices) - Revision B 171 pages Electrical Grounding for Aircraft Safety 290 pages Fuze and Fuze Components, Environmental and Performance Tests for - Revision C 295 pages Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment - Revision E 253 pages Maintainability Verification/Demonstration/Evaluation - Revision A 64 pages Failure Rate Sampling Plans and Procedures - Revision C 41 pages Maintainability Prediction 176 pages Definition of Terms for Reliability and Maintainability - Revision C 18 pages Semiconductor Devices 730 pages Reliability Modeling and Prediction - Revision B 85 pages Established Reliability and High Reliability Qualified Products List (QPL) Systems For Electrical, Electronic, and Fiber Optic Parts Specifications - Revision F 17 pages Environmental Test Methods and Engineering Guidelines 416 pages) Test Methods for Electrical Connectors - Revision A 129 pages Environmental Engineering Considerations and Laboratory Tests - Revision F 539 pages System Safety Program Requirements 117 pages Test Method Standard Microcircuits - Revision E 705 pages Test Method Standard Microcircuits - Revision F 708 pages Procedures for Performing a Failure Mode Effects and Criticality Analysis - Revision A 54 pages
This book on the Nondestructive Characterization and Imaging of Wood by Professor Voichita Bucur is truly the most outstanding reference on the subject ever written. Since the origins of mankind, wood has played a key role in the history of humans and other living creatures, ranging from provision of life from trees giving air, heat, light, and food to nourish their bodies to structures to protect them from the elements. Wood has also played a key role in one of the world's primary religions. Nondestructive diagnostics methods have long found application in medi cal practice for examination of the human body in order to detect life threatening abnormalities and permit diagnosis to extend life. Nondestructive testing has been used for many years to insure the safety of machinery, air craft, railroads, tunnels, buildings and many other structures. Therefore, it is timely for a treatise, like the present one, to be written describing how wood can be characterized without employing destructive test methods. Since wood is so valuable to mankind, it is important to know the latest methods to nondestructively characterize wood for all practical applications.
Stress-wave nondestructive evaluation (NDE) techniques are used widely in the forest products industry--from the grading of wood veneer to inspection of timber structures. Inspection professionals frequently use stress-wave NDE techniques to locate internal voids and decayed or deteriorated areas in large timbers. Although these techniques have proven useful, little information exists concerning the relationship between stress-wave parameters and deterioration observed as a consequence of marine borer attack. In this pilot test, we examined the relationship between stress-wave transmission time and the quality of wood in Sitka spruce and western hemlock logs that had varying degrees of deterioration as a consequence of attack from marine borers. Stress-wave transmission time, perpendicular to grain, was measured at several locations on each log. The logs were then sawn into lumber, which was then visually evaluated. A relationship was observed between stress-wave transmission time and deterioration of the logs and the yield of lumber from the logs.
Exploring advances and strengthening communications among researchers in manufacturing and construction technologies, this book covers nondestructive testing and evaluation methods. Drawing on a wide range of experts, it provides insights from every sector of the field. Based on a three-day conference titled "Nondestructive Testing and Evaluation for Manufacturing and Construction" held on the campus of the University of Illinois at Urbana-Champaign, the papers presented in the book foster development of new and innovative methods.
