Abstract
This paper presents the testing methodology of specimens made of layers of titanium alloy Ti6Al4V in dynamic impact loading conditions. Tests were carried out using a drop-weight impact tower. The test methodology allowed us to record parameters as displacement or force. Based on recorded data, force and absorbed energy curves during plastic deformation and sheet perforation were created. The characteristics of the fractures were also analyzed. The impact test simulation was carried out in the ABAQUS/Explicit environment. Results for one, two, and three layers of titanium alloy were compared. The increase in force required to initialize the damage and the absorbed energy during plastic deformation can be observed with an increase in the number of layers. The increase in absorbed energy is close to linear. In the simulation process, parameters such as Huber–Mises–Hencky stress value, equivalent plastic strain, temperature increase, and stress triaxiality were analyzed.
Highlights
An example is the modern method of joining parts using the electromagnetic riveting process (EMR), a high-speed impact connection technology with the advantages of fast loading speed, large impact force, and stable rivet deformation [1]
The selected titanium alloy exhibits very good mechanical properties [19], which is why Ti6Al4V is commonly used in technology, especially in the aerospace industry
Depending on the manufacturing process, titanium alloys are characterized by anisotropy, low density, a Young’s modulus of 115 GPa, high strength with good ductility, and a high melting point
Summary
Titanium and its alloys are common materials that have been used since the 1960s. Their desirable properties, which include low density, high mechanical strength, heat resistance, low-temperature fracture toughness, low thermal expansion, resistance to in-service corrosion processes, and biocompatibility, allow for wide applications in biomedical, automotive, aviation, and military engineering. An example is the modern method of joining parts using the electromagnetic riveting process (EMR), a high-speed impact connection technology with the advantages of fast loading speed, large impact force, and stable rivet deformation [1]. A high friction coefficient, poor resistance to abrasive wear, and a low hardness limit the possible areas of application of titanium alloys. The proper use of these materials requires knowledge of their characteristics and properties [2,3,4]
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
