Evaluating uncertainty of surface free energy measurement by the van Oss-Chaudhury-Good method

Rudawska, Anna; Jacniacka, E.

doi:10.1016/j.ijadhadh.2018.01.006

Cited by 44 publications

(17 citation statements)

References 41 publications

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“…The value of surface free energy (SFE) was determined by means of the Owens-Wendt method calculated on the basis of the wetting measurements of the examined surfaces. The whole analysis for determining the surface free energy uncertainty by means of the Owens-Wendt method (also known as the Owens-Wendt method) was shown by Rudawska [28,29].…”

Section: Surface Measurementsmentioning

confidence: 99%

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Fracture Analysis and Shear Strength of Aluminum/CFRP and GFRP Adhesive Joint in Fiber Metal Laminates

Ostapiuk

Bieniaś

2019

Materials

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Fiber metal laminates (FMLs) were initially developed under the motivation of the aerospace industry. Generally, they consist of aluminum and high strength glass fiber in polymeric layers, but the new challenge is to apply them with a carbon fiber. Pretreatment of aluminum is the main factor responsible for the adhesion between metallic and polymeric layers. The shear strength test a very popular method in the experimental joint of two components. In this article, the main aim was to compare the surface pretreatment and configuration of fibers in FMLs based on aluminum with glass and carbon fibers. The decisive factor of strength in adhesive or cohesive failure is first the type of fibers, and second, the surface preparation.

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Section: Surface Measurementsmentioning

confidence: 99%

“…The schematic sample view and profile with dimensions are shown in Figure 2. uncertainty by means of the Owens-Wendt method (also known as the Owens-Wendt method) was shown by Rudawska [28,29].…”

Section: Shear Strength Testmentioning

confidence: 99%

Fracture Analysis and Shear Strength of Aluminum/CFRP and GFRP Adhesive Joint in Fiber Metal Laminates

Ostapiuk

Bieniaś

2019

Materials

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“…The complex mechanical state of stock material during heat treatment, in combination with the variety of phase states it goes through, can lead to dimensional changes during the successive mechanical operations or storage. Free warping can also occur after heat treatment, initially often in a specific direction (bending, stretching), before phase transformations and inelastic deformations have taken place (Rudawska and Jacniacka 2018).…”

Section: The Specific Characteristics Of the Process Of Machining Of Low-rigidity Shafts And Accuracy Requirementsmentioning

confidence: 99%

A thermo-mechanical machining method for improving the accuracy and stability of the geometric shape of long low-rigidity shafts

et al. 2021

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The article presents a new thermo-mechanical machining method for the manufacture of long low-rigidity shafts which combines straightening and heat treatment operations. A fixture for thermo-mechanical treatment of long low-rigidity shafts was designed and used in tests which involved axial straightening of shafts combined with a quenching operation (performed to increase the corrosion resistance of the steel used as stock material). The study showed that an analysis of the initial deflections of semi-finished shafts of different dimensions and determination of the maximum corrective deflection in the device could be used as a basis for performing axial straightening of shaft workpieces with simultaneous heat treatment and correction of the initial deflection of the workpiece. The deflection is corrected by stretching the fibers of the stock material, at any cross-section of the shaft, up to the yield point and generating residual stresses symmetrical to the axis of the workpiece. These processes allow to increase the accuracy and stability of the geometric shape of the shaft.

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“…The sample will be wetted with all liquids having liquid tension less than γcr of the mate- The established data proved that all membranes were efficiently activated and functionalized (Figure 5). A substantial alteration between the pristine and modified materials was associated with the base and acid interactions, based on the Van Oss-Chaudhury-Good theory [36]. The higher level of basicity caused by the base piranha utilization promoted lower SFE (Figure 5A) [37][38][39][40].…”

Section: Impact On Wettabilitymentioning

confidence: 99%

Surfaces with Adjustable Features—Effective and Durable Materials for Water Desalination

Al‐Gharabli

El-Rub

Hamad

et al. 2021

IJMS

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Materials based on PVDF with desirable and controllable features were successfully developed. The chemistry and roughness were adjusted to produce membranes with improved transport and separation properties. Membranes were activated using the novel piranha approach to generate OH-rich surfaces, and finally furnished with epoxy and long-alkyl moieties via stable covalent attachment. The comprehensive materials characterization provided a broad spectrum of data, including morphology, textural, thermal properties, and wettability features. The defined materials were tested in the air-gap membrane distillation process for desalination, and improvement compared with pristine PVDF was observed. An outstanding behavior was found for the PVDF sample equipped with long-alkyl chains. The generated membrane showed an enhancement in the transport of 58–62% compared to pristine. A relatively high contact angle of 148° was achieved with a 560 nm roughness, producing a highly hydrophobic material. On the other hand, it was possible to tone the hydrophobicity and significantly reduce adhesion work. All materials were highly stable during the long-lasting separation process and were characterized by excellent effectiveness in water desalination.

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Evaluating uncertainty of surface free energy measurement by the van Oss-Chaudhury-Good method

Cited by 44 publications

References 41 publications

Fracture Analysis and Shear Strength of Aluminum/CFRP and GFRP Adhesive Joint in Fiber Metal Laminates

Fracture Analysis and Shear Strength of Aluminum/CFRP and GFRP Adhesive Joint in Fiber Metal Laminates

A thermo-mechanical machining method for improving the accuracy and stability of the geometric shape of long low-rigidity shafts

Surfaces with Adjustable Features—Effective and Durable Materials for Water Desalination

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