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The manner in which the joints are loaded, the gluing compared with two or three screws.
techniques employed, and the distribution of stresses within Screw length had a more pronounced effect on bending
the joint also affect the failure points and load-bearing capacity moment resistance than screw diameter, indicating that longer
of the corner joints. screws contributed more effectively to joint strength.

Increasing the number of dowels enhances the bending However, the observed joints exhibited a differential
moment resistance, indicating a direct correlation between response to loading types, whereas there was no significant
dowel quantity and joint strength. difference in moment resistance between compression and
Optimal dowel spacing is also critical, while increasing the tension loadings for joints connected with two mm to five
spacing up to 160 mm improves the moment resistance, and mm diameter screws.
further increasing it to 192 mm reduces it, suggesting a nonlinear Particleboard joints with five mm diameter screws with a
relationship between dowel spacing and joint performance. length of 60 mm showed significantly greater moment resistance
Moreover, the type of board material affects the load-bearing to compression loads than to tension loads. The failure modes
capacity, with melamine-coated fibreboards demonstrating for these corner joints typically involve the crushing of screw

superior bending moment resistance compared to melamine- heads into the face member, followed by screw withdrawal
coated particleboards, which is attributed to better adhesive from the butt members along with base material and edge
interactions and material properties. splitting around the screws.
The load-bearing capacity and failure points of particleboard According to Jivkov, the load-bearing capacity of particleboard
corner joints are also influenced by the moisture content of corner joints is significantly influenced by the presence and
the environment, the type of adhesive used, and the method thickness of edgebanding. Edgebanding enhances the bending
of joint construction. strength under compression tests, with a thickness of 0.4 mm

Higher humidity environments (with 90 percent relative being sufficient for Minifix and Rafix connectors to achieve
humidity compared to a dry environment with 45 percent relative 15–25 percent higher bending strength.
humidity) during the gluing process significantly increased the The type of edging material, specifically the ABS band,
load-carrying capacity and stiffness of the glued dowel joints and its application process also play a crucial role in the joint
on the particleboard. strength. Furthermore, the ultimate bending moment, which is
This was attributed to the more effective penetration of a critical measure of the load-bearing capacity, was positively
the polyurethane adhesive and swelling of the dowel and affected by edgebanding, as evidenced by the statistical
particleboard, which resulted in a stronger joint. analysis of different joint types.
The mechanical properties of these joints, including their Notably, edgebanding prevents the splitting of the particleboard

failure points, are affected by the type of mechanical fasteners edge, which is a common failure point in unedged joints,
and the joining method, with demountable joints showing a thereby enhancing the overall structural integrity of the furniture.
higher loading capacity under varying humidity conditions.
Kasal et al. found that corner joints are significantly Influences Of Corner Joint Design
influenced by the number of screws, screw size (diameter In the context of panel furniture manufacturing, the aesthetic
and length), and loading type (compression or tension). components of corner joints are crucial for the overall
Specifically, increasing the number of screws enhanced the appearance and consumer satisfaction.

moment resistance of the particleboard corner joints, with a The quality of edgebanding, which includes corner joints,
notable improvement observed when four screws were used significantly affects the aesthetic appeal of furniture, with defects