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2 2023

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Innovative zinc alloy for production of positioners of car window accessories

Pasierb Łukasz, Łakomski Jan, Oblaciński Michał

Polish Technical Review

2023

No. 3

2--8

The present paper is related to the problems of production of car window accessories from the modified foundry alloys of zinc. The material includes the results of the conducted industrial tests and developmental work. The range of the requirements for components and the properties of standardized materials were discussed. The innovative method for titanium alloying in the zinc ZnAI4Cu3 alloy was developed and described. The casts made from innovative materials, as produced in the demonstration line were subjected to a series of endurance (fatigue) tests.

Artykuł dotyczy zagadnienia wytwarzania pozycjonerów osprzętu szyb samochodowych ze zmodyfikowanych stopów odlewniczych cynku. Materiał obejmuje wyniki przeprowadzonych badań przemysłowych oraz prac rozwojowych. Przedstawiono zakres wymagań stawianych komponentom oraz właściwości znormalizowanych materiałów. Opracowano oraz opisano nowatorską metodę stopowania tytanu w stopie cynku ZnAl4Cu3. Wytworzone w ramach linii demonstracyjnej odlewy z innowacyjnego materiału podano szeregowi badań oraz testom zmęczeniowym.

Effect of Titanium Alloying of Zn-Al-Cu Alloys for High Pressure Die Casting in Production Conditions

Pasierb Łukasz, Łakomski Jan, Figurski Krzysztof

Journal of Casting & Materials Engineering

2023

Vol. 7, no. 4

56–-62

The paper presents the possibility of the industrial production of Zn4Al3Cu alloy with the addition of 0.41% Ti. Tests are described on the manner of introducing the ZnTi2 master alloy to the alloy, so that the chemical composition of the desirable elements proportion is obtained. The chemical persistence of the Zn4Al3CuTi was determined as low in the conditions of the long heating of the alloy before casting. Tests on the microstructure and mechanical properties of the obtained alloys were also conducted. The strength of the die-cast Zn4Al3Cu alloy was 265 MPa and, when measured on samples taken from the high pressure die-cast, it reached 369 MPa. It was determined that the addition of titanium to the Zn4Al3Cu alloy causes significant refinement of the structure and contributes to the formation of intermetallic phases.