The Impact of the Rotary Friction Welding Pressure on the Mechanical and Microstructural Characteristics of Friction Welds Made of the Alloys TiAl6V4 and 2024 Aluminum
This paper is a study of the mechanical properties and microstructures of the similar friction weld joints (TiAl6V4 and AA2024) using a servo-controlled Rotary Friction Welding (RFW) system. The friction welding operations were performed with seven different values of the friction pressure in the ra...
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| Veröffentlicht in: | Experimental techniques (Westport, Conn.) Conn.), 2024-06, Vol.48 (3), p.473-484 |
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| creator | Lakache, H. E. May, A. Badji, R. Benhammouda, S. E. Ramtani, S. |
| description | This paper is a study of the mechanical properties and microstructures of the similar friction weld joints (TiAl6V4 and AA2024) using a servo-controlled Rotary Friction Welding (RFW) system. The friction welding operations were performed with seven different values of the friction pressure in the range of 2–14 MPa. The temperature is recorded during friction welding tests using k-type thermocouples. Tensile tests and microhardness measurements were carried out to obtain the mechanical properties of the friction weld joints. Microstructural changes of individual zone of the friction welds were investigated using an optical microscope (OM), and the fracture surfaces were observed using a scanning electron microscope (SEM). For AA2024, the fracture occurs most frequently in the central zone, resulting in lower tensile strength values, while for TiAl6V4, the fracture is occurs outside the friction weld interface, indicating that the friction weld joint is more resistant than the base metal. Microscopic analysis of the fracture surfaces of the AA2024 samples revealed diverse morphologies, with rough cupular surfaces predominating, indicating a dominant ductile fracture mode. Similarly, TiAl6V4's friction welded specimen also exhibited cupules of various sizes across its surface, primarily associated with a ductile fracture mode. Overall, the optimal friction pressure values (respectively 8 and 10 MPa for TiAl6V4 and AA2024) correspond to the highest values of the mechanical properties. |
| doi_str_mv | 10.1007/s40799-023-00671-z |
| format | Article |
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For AA2024, the fracture occurs most frequently in the central zone, resulting in lower tensile strength values, while for TiAl6V4, the fracture is occurs outside the friction weld interface, indicating that the friction weld joint is more resistant than the base metal. Microscopic analysis of the fracture surfaces of the AA2024 samples revealed diverse morphologies, with rough cupular surfaces predominating, indicating a dominant ductile fracture mode. Similarly, TiAl6V4's friction welded specimen also exhibited cupules of various sizes across its surface, primarily associated with a ductile fracture mode. Overall, the optimal friction pressure values (respectively 8 and 10 MPa for TiAl6V4 and AA2024) correspond to the highest values of the mechanical properties.</description><identifier>ISSN: 0732-8818</identifier><identifier>EISSN: 1747-1567</identifier><identifier>DOI: 10.1007/s40799-023-00671-z</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Aluminum base alloys ; Base metal ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Ductile fracture ; Fracture surfaces ; Friction welding ; Heat treating ; Materials Science ; Mechanical properties ; Microhardness ; Microstructure ; Optical microscopes ; Research Paper ; Servocontrol ; Tensile strength ; Tensile tests ; Thermocouples ; Titanium base alloys ; Welded joints</subject><ispartof>Experimental techniques (Westport, Conn.), 2024-06, Vol.48 (3), p.473-484</ispartof><rights>The Society for Experimental Mechanics, Inc 2023. 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E.</creatorcontrib><creatorcontrib>May, A.</creatorcontrib><creatorcontrib>Badji, R.</creatorcontrib><creatorcontrib>Benhammouda, S. E.</creatorcontrib><creatorcontrib>Ramtani, S.</creatorcontrib><title>The Impact of the Rotary Friction Welding Pressure on the Mechanical and Microstructural Characteristics of Friction Welds Made of the Alloys TiAl6V4 and 2024 Aluminum</title><title>Experimental techniques (Westport, Conn.)</title><addtitle>Exp Tech</addtitle><description>This paper is a study of the mechanical properties and microstructures of the similar friction weld joints (TiAl6V4 and AA2024) using a servo-controlled Rotary Friction Welding (RFW) system. The friction welding operations were performed with seven different values of the friction pressure in the range of 2–14 MPa. The temperature is recorded during friction welding tests using k-type thermocouples. Tensile tests and microhardness measurements were carried out to obtain the mechanical properties of the friction weld joints. Microstructural changes of individual zone of the friction welds were investigated using an optical microscope (OM), and the fracture surfaces were observed using a scanning electron microscope (SEM). For AA2024, the fracture occurs most frequently in the central zone, resulting in lower tensile strength values, while for TiAl6V4, the fracture is occurs outside the friction weld interface, indicating that the friction weld joint is more resistant than the base metal. Microscopic analysis of the fracture surfaces of the AA2024 samples revealed diverse morphologies, with rough cupular surfaces predominating, indicating a dominant ductile fracture mode. Similarly, TiAl6V4's friction welded specimen also exhibited cupules of various sizes across its surface, primarily associated with a ductile fracture mode. Overall, the optimal friction pressure values (respectively 8 and 10 MPa for TiAl6V4 and AA2024) correspond to the highest values of the mechanical properties.</description><subject>Aluminum base alloys</subject><subject>Base metal</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Ductile fracture</subject><subject>Fracture surfaces</subject><subject>Friction welding</subject><subject>Heat treating</subject><subject>Materials Science</subject><subject>Mechanical properties</subject><subject>Microhardness</subject><subject>Microstructure</subject><subject>Optical microscopes</subject><subject>Research Paper</subject><subject>Servocontrol</subject><subject>Tensile strength</subject><subject>Tensile tests</subject><subject>Thermocouples</subject><subject>Titanium base alloys</subject><subject>Welded joints</subject><issn>0732-8818</issn><issn>1747-1567</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9UbtOAzEQtBBIhMAPULmkOVjbd_FdGUU8IhGBUIDScuw9YnSPYPsK-CF-E4dAQUO12tHMrHaGkFMG5wxAXoQcZFVlwEUGMJEs-9gjIyZzmbFiIvfJCKTgWVmy8pAchfAKwAomqxH5XK6RztuNNpH2NY1pe-ij9u_0yjsTXd_RZ2ys617ovccQBo80YVveAs1ad87ohurO0oUzvg_RDyYOPmGztfbJFb0L0Zmwdf9jGehCW_w9Om2a_j3QpZs2k6f825ADzxM-tK4b2mNyUOsm4MnPHJPHq8vl7Ca7vbuez6a3mRE8j5nkyKuVLW3JoaoFQ14IJlcTq1ltJUgLhUlRlFajMCu-ErWwiFUt0eY1x0qMydnOd-P7twFDVK0LBptGd9gPQQkoUshQSpGofEfd_h081mrjXZuiUwzUthW1a0UlgfpuRX0kkdiJQiJ3L-jVaz_4Lr30n-oLBYySnA</recordid><startdate>20240601</startdate><enddate>20240601</enddate><creator>Lakache, H. 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E.</creatorcontrib><creatorcontrib>May, A.</creatorcontrib><creatorcontrib>Badji, R.</creatorcontrib><creatorcontrib>Benhammouda, S. E.</creatorcontrib><creatorcontrib>Ramtani, S.</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Experimental techniques (Westport, Conn.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lakache, H. E.</au><au>May, A.</au><au>Badji, R.</au><au>Benhammouda, S. E.</au><au>Ramtani, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Impact of the Rotary Friction Welding Pressure on the Mechanical and Microstructural Characteristics of Friction Welds Made of the Alloys TiAl6V4 and 2024 Aluminum</atitle><jtitle>Experimental techniques (Westport, Conn.)</jtitle><stitle>Exp Tech</stitle><date>2024-06-01</date><risdate>2024</risdate><volume>48</volume><issue>3</issue><spage>473</spage><epage>484</epage><pages>473-484</pages><issn>0732-8818</issn><eissn>1747-1567</eissn><abstract>This paper is a study of the mechanical properties and microstructures of the similar friction weld joints (TiAl6V4 and AA2024) using a servo-controlled Rotary Friction Welding (RFW) system. The friction welding operations were performed with seven different values of the friction pressure in the range of 2–14 MPa. The temperature is recorded during friction welding tests using k-type thermocouples. Tensile tests and microhardness measurements were carried out to obtain the mechanical properties of the friction weld joints. Microstructural changes of individual zone of the friction welds were investigated using an optical microscope (OM), and the fracture surfaces were observed using a scanning electron microscope (SEM). For AA2024, the fracture occurs most frequently in the central zone, resulting in lower tensile strength values, while for TiAl6V4, the fracture is occurs outside the friction weld interface, indicating that the friction weld joint is more resistant than the base metal. Microscopic analysis of the fracture surfaces of the AA2024 samples revealed diverse morphologies, with rough cupular surfaces predominating, indicating a dominant ductile fracture mode. Similarly, TiAl6V4's friction welded specimen also exhibited cupules of various sizes across its surface, primarily associated with a ductile fracture mode. 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| subjects | Aluminum base alloys Base metal Characterization and Evaluation of Materials Chemistry and Materials Science Ductile fracture Fracture surfaces Friction welding Heat treating Materials Science Mechanical properties Microhardness Microstructure Optical microscopes Research Paper Servocontrol Tensile strength Tensile tests Thermocouples Titanium base alloys Welded joints |
| title | The Impact of the Rotary Friction Welding Pressure on the Mechanical and Microstructural Characteristics of Friction Welds Made of the Alloys TiAl6V4 and 2024 Aluminum |
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