Joining the High-Strength Steel Sheets Used in Car Body Production

• Autorzy: Kaščák Ľuboš , Cmorej Denis , Spišák Emil , Slota Ján

Identyfikatory

DOI

10.12913/22998624/131739

• Języki publikacji: EN

Abstrakty

EN

Nowadays, there are several important reasons for using high-strength sheets in the manufacturing of car bodies. Car manufacturers choose the steel with good formability, fatigue resistance and ability to absorb impact energy. Microalloyed steels and dual-phase steels are the materials which fulfil the above-mentioned criteria. The application of high-strength sheets has led to the development of new materials joining techniques. Mechanical joining, such as clinching, is the innovative technique to join these progressive materials. Materials of different thicknesses can be joined by clinching. The paper focuses on the comparison of the properties of the joints made by clinching and resistance spot welding. The application of resistance spot welding is still the most used joining method in car body production. These properties were investigated by tensile test and metallographic observation. The HCT600X+ZF, HCT600X+Z and HX420LAD+Z steel sheets were used for the experiments. The results of tensile test show that the values of load-bearing capacity of clinched joints reached from 3900 N to 5900 N and the resistance spot welded joints reached the values of load-bearing capacity from 12000 N to 19500 N. In comparison to the resistance spot welded joints, the clinched joints reached from 32 to 48% of load-bearing capacity.

Słowa kluczowe

EN

clinching; resistance spot welding; tensile test; metallography; HCT600X+ZF; HCT600X+Z; HX420LAD+Z

PL

klinczowanie; zgrzewanie punktowe; próba rozciągania; metalografia; HCT600X+ZF; HCT600X+Z; HX420LAD+Z

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2021
• Tom: Vol. 15, no 1
• Strony: 184--196
• Opis fizyczny: Bibliogr. 28 poz., fig., tab.

Twórcy

autor

Kaščák Ľuboš

• Technical University of Košice, Faculty of Mechanical Engineering, Department of Technology, Materials and Computer Support of Production, Letná 9, 042 00 Košice, Slovakia

autor

Cmorej Denis

• Technical University of Košice, Faculty of Mechanical Engineering, Department of Technology, Materials and Computer Support of Production, Letná 9, 042 00 Košice, Slovakia

autor

Spišák Emil

• Technical University of Košice, Faculty of Mechanical Engineering, Department of Technology, Materials and Computer Support of Production, Letná 9, 042 00 Košice, Slovakia

autor

Slota Ján

• Technical University of Košice, Faculty of Mechanical Engineering, Department of Technology, Materials and Computer Support of Production, Letná 9, 042 00 Košice, Slovakia

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).