**Meet the editors**

Dr. Wojciech Borek, PhD and MSc in Engineering, is an assistant professor in the Institute of Engineering Materials and Biomaterials at the Silesian University of Technology in Gliwice, Poland, and a member of the association of Polish Cluster of Innovative Forging Technologies "HEFAJSTOS." His scientific interests include materials science, heat treatment, thermomechanical

treatment, plastic deformations, and Gleeble simulations; he is also a specialist in steels, stainless steel, high-manganese austenitic steels, and light metal alloys in corrosion and cavitation wear. He is author and coauthor of more than 70 scientific publications worldwide, including two chapters in books and more than 20 publications in the Philadelphia list. He has won 10 awards and honors, national and international, and has served, or is currently serving, as a contractor of more than six research and didactic projects in Poland and abroad. He is a reviewer of numerous scientific publications and copromoter of two doctoral dissertations.

Prof. Tomasz Tański is the Head of the Institute of Engineering Materials and Biomaterials, Silesian University of Technology. He is a specialist in: materials such as non-ferrous alloys and composite and nanostructured materials; manufacturing engineering; surface, properties, and structures of engineering materials; and corrosion and cavitation wear. He has authored or

coauthored more than 300 scientific publications worldwide, including 12 monographs and books, and more than 80 publications in the Philadelphia list. He has won 18 national and international awards and honors, and has served, or is currently serving, as a supervisor or contractor for more than 15 research and didactic projects in Poland and abroad. Prof. Tański is also a reviewer and promoter of numerous scientific papers, including seven doctoral research papers in the field of nanotechnology and materials.

Dr. Marius Król, PhD and MSc in Engineering, is an assistant professor in the Institute of Engineering Materials and Biomaterials at the Silesian University of Technology in Gliwice, Poland, and a member of the association of Polish Cluster of Innovative Forging Technologies "HEFAJSTOS." His scientific interests include materials science, additive manufacturing, ther-

mal analysis, i.e. UMSA simulations and dilatometry study, plastic deformations, corrosion and cavitation wear; also, he is a specialist in light metal alloys. He is head of Workroom of Metal, Ceramic and Gradient Materials Laser Constitution and Workroom for Simulation of Metallurgy Processes and Dialometric Tests in the Institute of Engineering Materials and Biomaterials, Silesian University of Technology. He is an author and coauthor of ca. 80 scientific publications worldwide including 3 chapters in books and more than 18 manuscripts in the Philadelphia list; he won 3 awards and honors, national and international; has served, or is currently serving, as a contractor of more than 4 research and didactic projects in Poland and abroad and a reviewer of numerous scientific publications and co-promoter of doctoral dissertation.

Contents

**Preface VII**

Tomasz Linek

Zbigniew Pędzich

**Ultrasound Field 73**

Mansoor Ahmad

**Behavior in Seawater 109**

Ce Guo

**Research Results 1**

Chapter 3 **Cavitation Wear of Structural Ceramics 29**

Chapter 1 **Introductory Chapter: Cavitation - An Overview of New**

Wojciech Borek, Tomasz Tański and Mariusz Król

Chapter 2 **Effects of Applying WC/C Protective Coating on Structural Elements Working in Cavitation Environment 7**

Chapter 4 **Nanolevel Surface Processing of Fine Particles by Waterjet**

**Photocatalytic Properties of Titanium Oxide 43** Toshihiko Yoshimura, Kumiko Tanaka and Masataka Ijiri

Chapter 5 **The Relationship between the Collapsing Cavitation Bubble and Its Microjet near a Rigid Wall under an**

Chapter 6 **An Overview of Droplet Impact Erosion, Related Theory and Protection Measures in Steam Turbines 91**

Chapter 7 **The Effect of Alloy Microstructure on Their Cavitation Erosion**

Abdulhameed Al-Hashem, Abdulmajeed Abdullah and Wafa Riad

**Cavitation and Multifunction Cavitation to Improve the**
