{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,14]],"date-time":"2026-01-14T16:58:42Z","timestamp":1768409922466,"version":"3.49.0"},"reference-count":37,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2022,1,29]],"date-time":"2022-01-29T00:00:00Z","timestamp":1643414400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>The aim of this study is to determine the influence of the amount of magnesium in Al-Mg alloys and strain rate on the grain refinement and mechanical properties of the material as determined in a dynamic tensile test. Hydrostatic extrusion was used to process the material. This method is not commonly used to impose severe plastic deformation of Al-Mg alloys. The article presents the results of static and dynamic strength tests on aluminium alloys subjected to plastic deformation in the hydrostatic extrusion process. Technically pure aluminium Al99.5 and three aluminium alloys with different magnesium content, Al-1Mg, Al-3Mg and Al-7.5Mg, were used in the tests. The samples were subjected to static tests using the uniaxial tensile test machine and dynamic tests using a rotary hammer. Compared to pure aluminium, increasing the magnesium content in Al-based alloys strengthened them in hydrostatic extrusion (logarithmic strain \u03b5 = 0.86) and caused an increase in the static ultimate tensile stress Rm, relative strain \u03b5r and the value of the yield stress. For strengthened aluminium alloys, an increase in the strain rate from 750 to 1750 s\u22121 caused an increase in the dynamic ultimate tensile stress from 1.2 to 1.9 times in relation to the static ultimate tensile stress. The increase in magnesium content results in the formation of a larger strengthening phase, influences a different state of stress during dynamic loading and leads to a change in the orientation of the fracture surface. It was also found that an increase in magnesium content is associated with an increased number of voids, which is also directly proportional to the strain rate in the dynamic rotary hammer test.<\/jats:p>","DOI":"10.3390\/ma15031066","type":"journal-article","created":{"date-parts":[[2022,1,30]],"date-time":"2022-01-30T00:12:56Z","timestamp":1643501576000},"page":"1066","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Static and Dynamic Properties of Al-Mg Alloys Subjected to Hydrostatic Extrusion"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1608-7249","authenticated-orcid":false,"given":"Wojciech","family":"Jurczak","sequence":"first","affiliation":[{"name":"Mechanical and Electrical Engineering Department, Polish Naval Academy, 81-103 Gdynia, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4366-0135","authenticated-orcid":false,"given":"Tomasz","family":"Trzepieci\u0144ski","sequence":"additional","affiliation":[{"name":"Department of Manufacturing and Production Engineering, Rzeszow University of Technology, al. Powst. Warszawy 8, 35-959 Rzesz\u00f3w, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6179-5359","authenticated-orcid":false,"given":"Andrzej","family":"Kubit","sequence":"additional","affiliation":[{"name":"Department of Manufacturing and Production Engineering, Rzeszow University of Technology, al. Powst. Warszawy 8, 35-959 Rzesz\u00f3w, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wojciech","family":"Bochnowski","sequence":"additional","affiliation":[{"name":"Centre for Innovative Technologies, University of Rzesz\u00f3w, ul. Pigonia 1, 35-959 Rzesz\u00f3w, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,1,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1689","DOI":"10.1016\/S1003-6326(21)65608-X","article-title":"Effect of extrusion ratios on hardness, microstructure, and crystal texture anisotropy in pure niobium tubes subjected to hydrostatic extrusion","volume":"31","author":"Lee","year":"2021","journal-title":"Trans. Nonferr. Met. Soc. China"},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Garbacz, H., Semenova, I.P., and Zherebtsov, S. (2019). Hydrostatiic extrusion. Nanocrystalline Titanium (Micro and Nano Technologies), Elsevier.","DOI":"10.1016\/B978-0-12-814599-9.00003-1"},{"key":"ref_3","doi-asserted-by":"crossref","unstructured":"Du, S., Zan, X., Li, P., Luo, L., Zhu, X., and Wu, Y. (2017). Comparison of Hydrostatic Extrusion between Pressure-Load and Displacement-Load Models. 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