Nondestructive testing technique to quantify deterioration from marine borer attack in Sitka spruce and Western hemlock logs : observations from a pilot test / Robert J. Ross [and three others].

Format:

Book

Government document

Author/Creator:

Ross, Robert J. (Robert Jon), author.

Contributor:

Forest Products Laboratory (U.S.), issuing body.

Series:

Research note FPL ; 333.

Research note FPL ; 333

Language:

English

Subjects (All):

Nondestructive testing.

Marine borers.

Western hemlock--Deterioration--United States--Testing.

Western hemlock.

Sitka spruce--Deterioration--United States--Testing.

Sitka spruce.

Wood--Deterioration--United States--Testing.

Wood.

Wood--United States--Testing.

nondestructive testing.

Wood--Deterioration--Testing.

Wood--Testing.

United States.

Physical Description:

1 online resource ([8] pages) : color illustrations.

Place of Publication:

Madison, WI : United States Department of Agriculture, Forest Service, Forest Products Laboratory, 2014.

Summary:

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.

Notes:

"December 2014."

Includes bibliographical references (pages 2-3).

Print version record.

Other Format:

Print version: Ross, Robert J. (Robert Jon). Nondestructive testing technique to quantify deterioration from marine borer attack in sitka spruce and western hemlock logs.

Online version: Ross, Robert J. (Robert Jon), Nondestructive testing technique to quantify deterioration from marine borer attack in Sitka spruce and Western hemlock logs

OCLC:

908157200