dc.contributor.author | Yurdakul, Arife | |
dc.date.accessioned | 2021-02-19T21:17:03Z | |
dc.date.available | 2021-02-19T21:17:03Z | |
dc.date.issued | 2020 | |
dc.identifier.issn | 2193-567X | |
dc.identifier.issn | 2191-4281 | |
dc.identifier.uri | https://doi.org/10.1007/s13369-020-05160-8 | |
dc.identifier.uri | https://hdl.handle.net/20.500.12868/629 | |
dc.description | WOS: 000604546300043 | en_US |
dc.description.abstract | In current study, for the first time, it was aimed to produce the ceramic bushings for use of projection bolt welding process in automotive industry. Here, they were manufactured from ready-to-press binder containing granulated alumina-toughened zirconia (ATZ) powders consisted of 20 wt.% alumina (alpha-Al2O3) and 3 mol.% yttria-stabilized tetragonal zirconia polycrystalline components. The ATZ ceramic bushings were densified by pressureless sintering between 1500 and 1600 degrees C with 25 degrees C increments for 2 h under air atmosphere. Physical, mechanical, tribological and microstructural properties of ATZ composites were characterized by different tests, analyses and techniques, i.e., Archimedes' principle, Vickers hardness (HV), indentation fracture toughness (K-Ic), specific wear rate (W), X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy. Considering overall results, ATZ ceramic bushings were successfully sintered up to 99% of theoretical density by increasing sintering temperature. The maximum HV and K-Ic values of ATZ composites were determined as 14.62 +/- 0.02 GPa at 1500 degrees C and 6.10 +/- 0.04 MPa m(1/2) at 1600 degrees C, respectively. XRD patterns revealed that ATZ composites comprised of primary t-ZrO2 and secondary alpha-Al2O3 phases with no traces of m-ZrO2 and c-ZrO2. SEM observations showed the homogenous microstructures with high densification including no porosity; however, a slight degree of normal grain growth for t-ZrO2 and alpha-Al2O3 grains. ATZ ceramic bushings also exhibited high wear resistant property with W = 4.71 x 10(-9) m(3) N-1 m(-1) value. They welded over the 500.000 +/- 2.000 bolts to metal sheets in the automatic projection welding machines. This makes the ATZ composites a superior material for projection bolt welding process. | en_US |
dc.description.sponsorship | Alanya Alaaddin Keykubat University (ALKU) Scientific Research Projects Unit (BAP) [2018-02-03-MAP01] | en_US |
dc.description.sponsorship | Present researchwas supported by Alanya Alaaddin Keykubat University (ALKU) Scientific Research Projects Unit (BAP) with the Project No: 2018-02-03-MAP01. | en_US |
dc.language.iso | eng | en_US |
dc.publisher | Springer Heidelberg | en_US |
dc.rights | info:eu-repo/semantics/closedAccess | en_US |
dc.subject | Alumina | en_US |
dc.subject | ATZ | en_US |
dc.subject | Automotive industry | en_US |
dc.subject | Ceramic bushings | en_US |
dc.subject | Projection bolt welding | en_US |
dc.subject | Zirconia | en_US |
dc.title | Production and characterization of ceramic cushings from Alumina-Toughened yttrium-stabilized tetragonal zirconia composites for projection welding applications | en_US |
dc.type | article | en_US |
dc.contributor.department | ALKÜ | en_US |
dc.contributor.institutionauthor | Yurdakul, Arife | |
dc.identifier.doi | 10.1007/s13369-020-05160-8 | |
dc.relation.journal | Arabian Journal For Science And Engineering | en_US |
dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |