Influence of production method on selected properties of VT 22 titanium alloy
Journal Title: Archives of Materials Science and Engineering - Year 2017, Vol 1, Issue 87
Abstract
Purpose: The paper presents the results of phycisochemical and mechanical properites of titanium alloy VT 22. Samples - input material and after injection casting were carried out. Design/methodology/approach: The samples were made of VT 22 titanium alloy. The aim of the study was a comparison of corrosion resistance and surface geometry of input material and material produced by injection method. The corrosion resistance test by using 3 electrode method were carried out. Surface geometry by profilometer were conducted. Moreover the microhardness tests were carried out by using Vicker’s metohod. As well as microstructure observation by using light microsope were carried out. The studies were carried out on 2 samples – one sample from input material and sample after injection method. There 10 samples were produced during studies. Findings: Research has shown that the use of injection casting method affects on surface geometry and corrosion resistance of produced samples. It has been observed that samples produced by using injection casting in comparison to input material have lower corrosion rate as well as higher microhardness of surface. Roughness profile is incomparable because the input material on its surface was undulating. But roughness affects on corrosion resistance. Moreover there differences between structures were observed. Research limitations/implications: During the comparison of roughness profile there were problem because input material was undulating. Practical implications: Injection method can be used as a method for produciton materials with the same chemical composition as commercial materials but with higher corrosion resistance and microhardness. Originality/value: The paper presents the possibility to improve the physicochemical properties of produced material of VT 22 titanium alloy by using injection casting method.
Authors and Affiliations
A. Łukaszewicz, M. Szota
Keywords
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