Shaped and shape-adhesive joints
Webbto evaluate the mode-II fracture toughness of elastic adhesive joints based on L.E.F.M. concepts (Barret and Foschi, 1977; Chai, 1988). Chiang and Chai (1994) studied the … Adhesively-bonded joints are widely used to join structural components. The most common joint types are single-lap joints (SLJ), double-lap joints (DLJ), stepped-lap joints and scarf joints. Several factors influence the behaviour and strength of an adhesive joint, namely the type of adhesive (brittle or ductile, … Visa mer The majority of failures for all joint types occurred cohesively in the adhesive layer (Fig. 8), with some exceptions. For all the joints bonded with the … Visa mer This Section compares σy and τxy stress distributions for the SLJ, DLJ, stepped-lap and scarf joints at the adhesive mid-thickness and for LO = 12.5 mm and 50 mm, such that a detailed discussion of the joint strengths can … Visa mer This Section regards the comparison between the CZM Pm estimates with the average experimental results for validation purposes, and also to provide a more detailed comparison between joint types. The results are … Visa mer This Section begins by making a comparative analysis of the three adhesives, as a function of the joint geometry. Figure 11a compares Pm for the different joint types bonded with the Araldite® AV138. This … Visa mer
Shaped and shape-adhesive joints
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Webb10 apr. 2024 · In addition, shape memory polymers exhibit tunable materials properties, the potential for biodegradation and resorption, excellent shape memory performance, and negligible toxicity. These salient features make these SMMs ultimate candidates for medical field applications because of their remarkable biocompatibility in a variety of … WebbDesigning Adhesive Joints Joints that are well designed for adhesives place a majority of the stress into tensile, compression or shear modes. This allows the force to be applied …
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Webb13 apr. 2024 · In the present work, a recently extended version of the method of dimensionality reduction (MDR) for layered elastic media is applied for the first time using a semi-analytical approach. It is based on a priori knowledge of the cylindrical flat punch solution which is determined numerically using the boundary element method (BEM). We … Webb10 apr. 2024 · After curbs, curbs and gutter or gutter have been laid, a continuous concrete backing not less than one hundred fifty (150) mm wide shall be poured against the units. For curbs abutting earth or ...
Webb27 aug. 2024 · The authors proved that the optimum adhesive joint thickness was 1.0 mm and that the joint strength increased with the lap length. Liao et al. [33] includes an …
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