Drvna industrija, Vol. 60 No. 2, 2009.
Izvorni znanstveni članak
Comparison of percentage of wood fracture surface analyzed by computer and by ISO 6238 in determining the quality of adhesive bonds
Alica Lojen
; Šumarski fakultet Sveučilišta u Zagrebu, Hrvatska
Goran Mihulja
; Šumarski fakultet Sveučilišta u Zagrebu, Hrvatska
Ivica Župčić
; Šumarski fakultet Sveučilišta u Zagrebu, Hrvatska
Andrija Bogner
; Šumarski fakultet Sveučilišta u Zagrebu, Hrvatska
Sažetak
This paper presents the results of measuring and estimating the percentage of wood fracture surface in testing the quality of adhesive bonds by using two methods. The first method is based on ISO 6238. The estimation was carried out by two estimators so as to show the difference in perception. The second method consists of measuring
the percentage of wood fracture surface by analyzing digital photography by computer software. The results prove that there is no statistically significant difference between the measurement of the percentage of fracture surface by analyzing digital photography with computer software and the measurement made by standard
process. Computer measurement is, however, more reliable and accurate.
Ključne riječi
gluing quality; portion of wood failure; subjective and objective methods
Hrčak ID:
38025
URI
Datum izdavanja:
18.6.2009.
Posjeta: 1.243 *