Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Sherwan Mohammed Najm"'
Publikováno v:
Materials, Vol 17, Iss 3, p 590 (2024)
The development of lightweight and durable materials for car body panels and load-bearing elements in the automotive industry results from the constant desire to reduce fuel consumption without reducing vehicle performance. The investigations mainly
Externí odkaz:
https://doaj.org/article/dffa3a3bbf344ec393bd4b1811145b87
Publikováno v:
Materials, Vol 16, Iss 15, p 5207 (2023)
This paper is devoted to the determination of the coefficient of friction (COF) in the drawbead region in metal forming processes. As the test material, AW-5251 aluminium alloys sheets fabricated under various hardening conditions (AW-5251-O, AW-5251
Externí odkaz:
https://doaj.org/article/fdd0cd6f23e648a682f27e655e16075a
Autor:
Nicolae Rosca, Mihaela Oleksik, Liviu Rosca, Eugen Avrigean, Tomasz Trzepieciński, Sherwan Mohammed Najm, Valentin Oleksik
Publikováno v:
Materials, Vol 16, Iss 4, p 1644 (2023)
Polymeric materials are increasingly used in the automotive industry, aeronautics, medical device industry, etc. due to their advantage of providing good mechanical strength at low weight. The incremental forming process for polymeric materials is ga
Externí odkaz:
https://doaj.org/article/86dc1b52a7704b02b1e0be96cbf2568a
Autor:
Sherwan Mohammed Najm, Imre Paniti
Publikováno v:
Tehnički Vjesnik, Vol 27, Iss 6, Pp 1844-1849 (2020)
Single Point Incremental Forming (SPIF) is a fast technique in the range of flexible prototype production without using a punch or die. Absence of the molding tools makes SPIF useful to form a complex product and these parts usually need different to
Externí odkaz:
https://doaj.org/article/838b064ceb8a45ec8ad8796c19567d0f
Publikováno v:
Materials, Vol 15, Iss 24, p 9022 (2022)
Drawbeads are used when forming drawpieces with complex shapes to equalise the flow resistance of a material around the perimeter of the drawpiece or to change the state of stress in certain regions of the drawpiece. This article presents a special d
Externí odkaz:
https://doaj.org/article/e2cedacb310047ef9edeb6ecfb1cb1b2
Publikováno v:
Journal of Composites Science, Vol 6, Iss 10, p 295 (2022)
For several years, the aviation industry has seen dynamic growth in the use of composite materials due to their low weight and high stiffness. Composites are being considered as a means of building lighter, safer, and more fuel-efficient automobiles.
Externí odkaz:
https://doaj.org/article/21bcd92c73a44a0b8aa9aefb206a5186
Publikováno v:
Journal of Composites Science, Vol 6, Iss 5, p 150 (2022)
Due to the variety of properties of the composites produced, determining the choice of the appropriate cutting technique is demanding. Therefore, it is necessary to know the problems associated with cutting operations, i.e., mechanical cutting (blank
Externí odkaz:
https://doaj.org/article/a02bae64430d4ba090f2ea01a8e2018d
Autor:
Tomasz Trzepieciński, Sherwan Mohammed Najm, Valentin Oleksik, Delia Vasilca, Imre Paniti, Marcin Szpunar
Publikováno v:
Metals, Vol 12, Iss 1, p 124 (2022)
Due to a favourable strength-to-density ratio, aluminium and its alloys are increasingly used in the automotive, aviation and space industries for the fabrication of skins and other structural elements. This article explores the opportunities for and
Externí odkaz:
https://doaj.org/article/e8e9dad02cd14d76bd7ec00e758fc29d
Autor:
Sherwan Mohammed Najm, Imre Paniti, Tomasz Trzepieciński, Sami Ali Nama, Zsolt János Viharos, Adam Jacso
Publikováno v:
Materials, Vol 14, Iss 23, p 7263 (2021)
When using a unique tool with different controlled path strategies in the absence of a punch and die, the local plastic deformation of a sheet is called Single Point Incremental Forming (SPIF). The lack of available knowledge regarding SPIF parameter
Externí odkaz:
https://doaj.org/article/ced267aa5d2f42e1a4fbb68ace5d36e3
Autor:
Tomasz Trzepieciński, Sherwan Mohammed Najm, Manel Sbayti, Hedi Belhadjsalah, Marcin Szpunar, Hirpa G. Lemu
Publikováno v:
Journal of Composites Science, Vol 5, Iss 8, p 217 (2021)
Fibre metal laminates, hybrid composite materials built up from interlaced layers of thin metals and fibre reinforced adhesives, are future-proof materials used in the production of passenger aircraft, yachts, sailplanes, racing cars, and sports equi
Externí odkaz:
https://doaj.org/article/a64f51ade70248cd8198341ad50e4ab6