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Anna Rudawska

Lublin University of Technology Poland

Prof. Ph.D., D.Sc., Eng. Anna Rudawska is an author or co-author of 363 scientific publications and 14 registered patents and 54 patent applications and designs utility in adhesive nd bonding technology field. She is member lots of international and national organizations, reviewer and member of editorial board of international Journals. Research activities focused on the issues of analysis of the influence of technological and structural factors on the polymers and metals adhesive joints strength, design of bonding technology, adhesive properties research, as well as issues related receiving the appropriate adhesive properties in order to increase the adhesion strength of the adhesive joints. The research included both experimental studies and numerical analysis of finite element method, using of non-destructive testing methods to analyze the correctness of the adhesive joints. The important research field is modification of epoxy adhesive compounds. In cooperation with the Department of Biotechnology, Marie-Curie Skłodowska University in Lublin conducts research related to the development of adhesive compositions containing metabolites produced by fungi decaying wood (white rot fungi). The research will contribute to the development of new adhesive materials with specific properties, which can significantly affect the reduction of aging and degradation (including biodegradability) of these materials under the influence of various operational factors (chemical, biological and climatic conditions) as well as extend the life of adhesion joints (for due to limited or slow down the aging process). In collaboration with the Medical University in Lublin conducts research on the phenomena of adhesion and the strength of dental adhesives.

3books edited

2chapters authored

Latest work with IntechOpen by Anna Rudawska

This book discusses applications of adhesives and adhesive joints in different branches of industry. The properties of adhesives and adhesive joints, and also the requirements of mechanical properties and chemical and environmental resistance of adhesives and adhesive joints, are very important because proper strength, durability, and time of use are all factors that are dependent on the type of industry. The aim of this book is to present information on the type of adhesives and adhesive joints, in addition to their characteristics, used in different branches of industry. This information should enable scientists, engineers, and designers to acquire knowledge of adhesives and adhesive joints, which could be helpful in selecting the right type of adhesive and adhesive joint to make applications for a particular industry.

Adhesives and Adhesive Joints in Industry Applications

Adhesives and Adhesive Joints in Industry Applications

Edited by Anna Rudawska

Books edited

Abrasive Technology

Abrasive Technology

Edited by Anna Rudawska

Adhesives

Adhesives

Edited by Anna Rudawska

Chapters authored

Adhesive Properties

By Anna Rudawska

Part of the book: Scanning Electron Microscopy

Adhesive Properties of Metals and Metal Alloys

By Anna Rudawska

The paper presents the effect of some surface treatment on the bonded joints strength of selected construction materials, adhesive properties of adherends after surface treatment and surface roughness. The aluminium alloys sheets, the titanium sheets and the stainless steel sheets were tested. In the experiments the following surface treatments were investigated: degreasing (chemical cleaning), mechanical treatment, mechanical treatment and degreasing, etching, anodising and chromate treatment. Adhesive joints were formed with a two component epoxy adhesive, Loctite 3430. Adhesive joint tensile-shear strength tests were performed in accordance with EN DIN 1465 standard on Zwick/Roell Z100 and Zwick/Roell Z150 testing machines. Adhesive properties were determined by surface free energy and surface free energy was determined by the Owens-Wendt method. The roughness of specimens was qualified by the method for measuring contact roughness, using an M2 profilometer manufactured by Mahr. The surface view was obtained by used NanoFocus uscan AF2. Results obtained from adhesive joint strength tests of materials evidence that surface treatment plays an important role in increasing strength of analysed joints. Tests indicate that in numerous instances this is mechanical treatment only or mechanical treatment followed by chemical cleaning which translate to the highest joint strength. The surface treatment method which introduces extensive changes in the analysed materials surface geometry is mechanical treatment. The results of surface roughness parameters measurement carried out on test samples subjected to anodising indicate that anodising has an impact on the height of surface irregularities. The application of various surface treatments in different structural materials allows modification of their adhesive properties, determined by the surface free energy. It was noted that different surface treatments contribute not only to the surface free energy changes but to the SFE components share in the total value. In the majority of variants of EN AW-2024PLT3 aluminium alloy sheet surface treatment the dispersive component amounted to the 93-99% of the total surface free energy. The assumption then should be that in order for the determination of a particular surface for adhesive processes to be comprehensive it should account for the adherends surface geometry as well as its adhesion properties. The geometry of surface can influence the mechanical adhesion and the surface free energy is connected with both mechanical adhesion and the other constituent of adhesion – proper adhesion.

Part of the book: Surface Energy

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Shanghai Jiao Tong University , China

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University of Northern Iowa , United States of America

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Northwestern Polytechnical University , China

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Renaud Podor

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Jun Kawai

Kyoto University , Japan

Johann Ravaux

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Henri-Pierre Brau

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Zhongwei Chen

Northwestern Polytechnical University , China